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Daniels Electronics VR-3H, Instruction Manual

The Daniels Electronics VR-3H is a cutting-edge communication device designed for professional use. Ensure seamless operation with the comprehensive instruction manual available for free download on our website, providing valuable insights and step-by-step guidelines. Maximize your VR-3H's potential by accessing the manual at manualshive.com.

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Channel Designation Table: 29-50 MHz, 6.25kHz Increments - Continued 

 

 

Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq.  Chan. Freq. 

Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz)  Num. (MHz) 

DANIELS

ELECTRONICS LTD.

TM

 VHF Enhanced Extra Wideband Receiver Instruction Manual     IM10-VR3H040-AB 

8-17 

6440 ....... 38.00000 
6441 ....... 38.00625 
6442 ....... 38.01250 
6443 ....... 38.01875 
6444 ....... 38.02500 
6445 ....... 38.03125 
6446 ....... 38.03750 
6447 ....... 38.04375 
6448 ....... 38.05000 
6449 ....... 38.05625 
6450 ....... 38.06250 
6451 ....... 38.06875 
6452 ....... 38.07500 
6453 ....... 38.08125 
6454 ....... 38.08750 
6455 ....... 38.09375 
6456 ....... 38.10000 
6457 ....... 38.10625 
6458 ....... 38.11250 
6459 ....... 38.11875 
6460 ....... 38.12500 
6461 ....... 38.13125 
6462 ....... 38.13750 
6463 ....... 38.14375 
6464 ....... 38.15000 
6465 ....... 38.15625 
6466 ....... 38.16250 
6467 ....... 38.16875 
6468 ....... 38.17500 
6469 ....... 38.18125 
6470 ....... 38.18750 
6471 ....... 38.19375 
6472 ....... 38.20000 
6473 ....... 38.20625 
6474 ....... 38.21250 
6475 ....... 38.21875 
6476 ....... 38.22500 
6477 ....... 38.23125 
6478 ....... 38.23750 
6479 ....... 38.24375 
6480 ....... 38.25000 
6481 ....... 38.25625 
6482 ....... 38.26250 
6483 ....... 38.26875 
6484 ....... 38.27500 
6485 ....... 38.28125 
6486 ....... 38.28750 
6487 ....... 38.29375 
6488 ....... 38.30000 
6489 ....... 38.30625 
6490 ....... 38.31250 
6491 ....... 38.31875 
6492 ....... 38.32500 
6493 ....... 38.33125 
6494 ....... 38.33750 
6495 ....... 38.34375 
6496 ....... 38.35000 
6497 ....... 38.35625 
6498 ....... 38.36250 
6499 ....... 38.36875 

6500 ....... 38.37500 
6501 ....... 38.38125 
6502 ....... 38.38750 
6503 ....... 38.39375 
6504 ....... 38.40000 
6505 ....... 38.40625 
6506 ....... 38.41250 
6507 ....... 38.41875 
6508 ....... 38.42500 
6509 ....... 38.43125 
6510 ....... 38.43750 
6511 ....... 38.44375 
6512 ....... 38.45000 
6513 ....... 38.45625 
6514 ....... 38.46250 
6515 ....... 38.46875 
6516 ....... 38.47500 
6517 ....... 38.48125 
6518 ....... 38.48750 
6519 ....... 38.49375 
6520 ....... 38.50000 
6521 ....... 38.50625 
6522 ....... 38.51250 
6523 ....... 38.51875 
6524 ....... 38.52500 
6525 ....... 38.53125 
6526 ....... 38.53750 
6527 ....... 38.54375 
6528 ....... 38.55000 
6529 ....... 38.55625 
6530 ....... 38.56250 
6531 ....... 38.56875 
6532 ....... 38.57500 
6533 ....... 38.58125 
6534 ....... 38.58750 
6535 ....... 38.59375 
6536 ....... 38.60000 
6537 ....... 38.60625 
6538 ....... 38.61250 
6539 ....... 38.61875 
6540 ....... 38.62500 
6541 ....... 38.63125 
6542 ....... 38.63750 
6543 ....... 38.64375 
6544 ....... 38.65000 
6545 ....... 38.65625 
6546 ....... 38.66250 
6547 ....... 38.66875 
6548 ....... 38.67500 
6549 ....... 38.68125 
6550 ....... 38.68750 
6551 ....... 38.69375 
6552 ....... 38.70000 
6553 ....... 38.70625 
6554 ....... 38.71250 
6555 ....... 38.71875 
6556 ....... 38.72500 
6557 ....... 38.73125 
6558 ....... 38.73750 
6559 ....... 38.74375 

6560 ....... 38.75000 
6561 ....... 38.75625 
6562 ....... 38.76250 
6563 ....... 38.76875 
6564 ....... 38.77500 
6565 ....... 38.78125 
6566 ....... 38.78750 
6567 ....... 38.79375 
6568 ....... 38.80000 
6569 ....... 38.80625 
6570 ....... 38.81250 
6571 ....... 38.81875 
6572 ....... 38.82500 
6573 ....... 38.83125 
6574 ....... 38.83750 
6575 ....... 38.84375 
6576 ....... 38.85000 
6577 ....... 38.85625 
6578 ....... 38.86250 
6579 ....... 38.86875 
6580 ....... 38.87500 
6581 ....... 38.88125 
6582 ....... 38.88750 
6583 ....... 38.89375 
6584 ....... 38.90000 
6585 ....... 38.90625 
6586 ....... 38.91250 
6587 ....... 38.91875 
6588 ....... 38.92500 
6589 ....... 38.93125 
6590 ....... 38.93750 
6591 ....... 38.94375 
6592 ....... 38.95000 
6593 ....... 38.95625 
6594 ....... 38.96250 
6595 ....... 38.96875 
6596 ....... 38.97500 
6597 ....... 38.98125 
6598 ....... 38.98750 
6599 ....... 38.99375 
6600 ....... 39.00000 
6601 ....... 39.00625 
6602 ....... 39.01250 
6603 ....... 39.01875 
6604 ....... 39.02500 
6605 ....... 39.03125 
6606 ....... 39.03750 
6607 ....... 39.04375 
6608 ....... 39.05000 
6609 ....... 39.05625 
6610 ....... 39.06250 
6611 ....... 39.06875 
6612 ....... 39.07500 
6613 ....... 39.08125 
6614 ....... 39.08750 
6615 ....... 39.09375 
6616 ....... 39.10000 
6617 ....... 39.10625 
6618 ....... 39.11250 
6619 ....... 39.11875 

6620 ....... 39.12500 
6621 ....... 39.13125 
6622 ....... 39.13750 
6623 ....... 39.14375 
6624 ....... 39.15000 
6625 ....... 39.15625 
6626 ....... 39.16250 
6627 ....... 39.16875 
6628 ....... 39.17500 
6629 ....... 39.18125 
6630 ....... 39.18750 
6631 ....... 39.19375 
6632 ....... 39.20000 
6633 ....... 39.20625 
6634 ....... 39.21250 
6635 ....... 39.21875 
6636 ....... 39.22500 
6637 ....... 39.23125 
6638 ....... 39.23750 
6639 ....... 39.24375 
6640 ....... 39.25000 
6641 ....... 39.25625 
6642 ....... 39.26250 
6643 ....... 39.26875 
6644 ....... 39.27500 
6645 ....... 39.28125 
6646 ....... 39.28750 
6647 ....... 39.29375 
6648 ....... 39.30000 
6649 ....... 39.30625 
6650 ....... 39.31250 
6651 ....... 39.31875 
6652 ....... 39.32500 
6653 ....... 39.33125 
6654 ....... 39.33750 
6655 ....... 39.34375 
6656 ....... 39.35000 
6657 ....... 39.35625 
6658 ....... 39.36250 
6659 ....... 39.36875 
6660 ....... 39.37500 
6661 ....... 39.38125 
6662 ....... 39.38750 
6663 ....... 39.39375 
6664 ....... 39.40000 
6665 ....... 39.40625 
6666 ....... 39.41250 
6667 ....... 39.41875 
6668 ....... 39.42500 
6669 ....... 39.43125 
6670 ....... 39.43750 
6671 ....... 39.44375 
6672 ....... 39.45000 
6673 ....... 39.45625 
6674 ....... 39.46250 
6675 ....... 39.46875 
6676 ....... 39.47500 
6677 ....... 39.48125 
6678 ....... 39.48750 
6679 ....... 39.49375 

6680 ....... 39.50000 
6681 ....... 39.50625 
6682 ....... 39.51250 
6683 ....... 39.51875 
6684 ....... 39.52500 
6685 ....... 39.53125 
6686 ....... 39.53750 
6687 ....... 39.54375 
6688 ....... 39.55000 
6689 ....... 39.55625 
6690 ....... 39.56250 
6691 ....... 39.56875 
6692 ....... 39.57500 
6693 ....... 39.58125 
6694 ....... 39.58750 
6695 ....... 39.59375 
6696 ....... 39.60000 
6697 ....... 39.60625 
6698 ....... 39.61250 
6699 ....... 39.61875 
6700 ....... 39.62500 
6701 ....... 39.63125 
6702 ....... 39.63750 
6703 ....... 39.64375 
6704 ....... 39.65000 
6705 ....... 39.65625 
6706 ....... 39.66250 
6707 ....... 39.66875 
6708 ....... 39.67500 
6709 ....... 39.68125 
6710 ....... 39.68750 
6711 ....... 39.69375 
6712 ....... 39.70000 
6713 ....... 39.70625 
6714 ....... 39.71250 
6715 ....... 39.71875 
6716 ....... 39.72500 
6717 ....... 39.73125 
6718 ....... 39.73750 
6719 ....... 39.74375 
6720 ....... 39.75000 
6721 ....... 39.75625 
6722 ....... 39.76250 
6723 ....... 39.76875 
6724 ....... 39.77500 
6725 ....... 39.78125 
6726 ....... 39.78750 
6727 ....... 39.79375 
6728 ....... 39.80000 
6729 ....... 39.80625 
6730 ....... 39.81250 
6731 ....... 39.81875 
6732 ....... 39.82500 
6733 ....... 39.83125 
6734 ....... 39.83750 
6735 ....... 39.84375 
6736 ....... 39.85000 
6737 ....... 39.85625 
6738 ....... 39.86250 
6739 ....... 39.86875 

6740 ....... 39.87500 
6741 ....... 39.88125 
6742 ....... 39.88750 
6743 ....... 39.89375 
6744 ....... 39.90000 
6745 ....... 39.90625 
6746 ....... 39.91250 
6747 ....... 39.91875 
6748 ....... 39.92500 
6749 ....... 39.93125 
6750 ....... 39.93750 
6751 ....... 39.94375 
6752 ....... 39.95000 
6753 ....... 39.95625 
6754 ....... 39.96250 
6755 ....... 39.96875 
6756 ....... 39.97500 
6757 ....... 39.98125 
6758 ....... 39.98750 
6759 ....... 39.99375 
6760 ....... 40.00000 
6761 ....... 40.00625 
6762 ....... 40.01250 
6763 ....... 40.01875 
6764 ....... 40.02500 
6765 ....... 40.03125 
6766 ....... 40.03750 
6767 ....... 40.04375 
6768 ....... 40.05000 
6769 ....... 40.05625 
6770 ....... 40.06250 
6771 ....... 40.06875 
6772 ....... 40.07500 
6773 ....... 40.08125 
6774 ....... 40.08750 
6775 ....... 40.09375 
6776 ....... 40.10000 
6777 ....... 40.10625 
6778 ....... 40.11250 
6779 ....... 40.11875 
6780 ....... 40.12500 
6781 ....... 40.13125 
6782 ....... 40.13750 
6783 ....... 40.14375 
6784 ....... 40.15000 
6785 ....... 40.15625 
6786 ....... 40.16250 
6787 ....... 40.16875 
6788 ....... 40.17500 
6789 ....... 40.18125 
6790 ....... 40.18750 
6791 ....... 40.19375 
6792 ....... 40.20000 
6793 ....... 40.20625 
6794 ....... 40.21250 
6795 ....... 40.21875 
6796 ....... 40.22500 
6797 ....... 40.23125 
6798 ....... 40.23750 
6799 ....... 40.24375 

Summary of Contents for VR-3H

Page 1: ...part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of Daniels Electronics Ltd DE is a registered trademark of Daniels Electronic Ltd registered in the U S Patent and Trademark Office Daniels Electronics Ltd Revision Date Aug 2003 Victoria BC Re...

Page 2: ...m requirements Please report any errors or problems to Daniels Electronics Customer Service Department NOTE The user s authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd The design of this equipment is subject to change due to continuous development This equipment may incorporate minor changes in detail from t...

Page 3: ...ency Change 2 4 2 3 3 Minor Frequency Change 2 5 2 3 4 Major Frequency Change 2 5 2 4 21 4 MHz IF Audio Main Board 2 6 2 5 Enhanced Front End 2 6 2 6 Enhanced Synthesizer 2 7 2 7 Receiver Front Panel Illustration 2 8 2 8 MT 3 Receiver Case Exploded View 2 9 2 9 VR 3H040 Family Enhanced Receiver Block Diagram 2 10 3 THEORY OF OPERATION 3 1 3 1 21 4 MHz IF Audio Main Board 3 1 3 1 1 General 3 1 3 1 ...

Page 4: ...Circuit Board Numbering Convention 4 2 4 4 Recommended Test Equipment 4 2 4 5 Synthesizer OS 3 OS 3H 4 3 4 5 1 VHF OS R T 3H 29 71 4 MHz VCO Alignment 4 3 4 6 Front End Tuning 4 5 4 7 Main Board Tuning 4 6 4 7 1 IF Amplifier Bias Current Adjustment 4 6 4 7 2 21 4MHz 4 6 4 7 3 Audio Levels 4 6 4 7 4 Distortion and Sensitivity 4 7 4 7 5 Second IF Demodulation 4 7 4 7 6 Squelch Window 4 8 5 RECEIVER ...

Page 5: ...m Extra Wideband 6 10 6 12 Synthesizer Analog PCB Component Layout Top Extra Wideband 6 11 6 13 Synthesizer Analog PCB Schematic Diagram Extra Wideband 6 12 6 14 Synthesizer Digital PCB Schematic Diagram Extra Wideband 6 13 6 15 Synthesizer Digital PCB Component Layout Bottom Extra Wideband 6 14 6 16 Synthesizer Digital PCB Component Layout Top Extra Wideband 6 15 7 PARTS LISTS 7 1 7 1 Electrical ...

Page 6: ...DANIELS ELECTRONICS LTD TM vi IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 7: ...ations The VR 3H040 Receiver family combines state of the art performance in a compact modular enclosure for applications ranging from remote mountain top repeaters to congested urban radio environments Each receiver module is characterized by dependable low maintenance performance under the most severe environmental conditions The VR 3H040 modular receiver family is compatible with all Daniel s s...

Page 8: ...ual This manual provides complete information on the operation of the 21 4 MHz FM IF Audio Main Board The bulk of the material relating to receiver operation and installation can be found within this manual The majority of receiver options including channel selection are accessed through the FM IF Audio Main Board In addition most of the external receiver connections are made through the FM IF Aud...

Page 9: ... 0 or 6 25 kHz increments selected through four internal BCD rotary switches Number of Channels Preset capability for 16 channel memory selectable through four external logic control lines Channel Switching Range 1 MHz 38 50 MHz No tuning adjustment 0 5 MHz 29 38 MHz No tuning adjustment Reference Sensitivity 114 dBm typically 116 dBm for 12 dB SINAD Local Oscillator Frequency Stability 5 ppm 30 C...

Page 10: ...udio Response 1 1 dB 300 Hz to 3 kHz Squelch Hysteresis Adjustable from 2 dB to 20 dB Squelch Threshold Adjustable from 123 to 105 dBm Squelch Operation Noise based standard or optionally configured RSSI controlled Front Panel Controls Receiver power On Norm Off Squelch Disable Push button COR Interface 2 amp 50 V open drain power MOSFET 100 mA 30V opto isolator optional 2 amp form C electro mecha...

Page 11: ... Power Requirements 9 5 Vdc 160 mA 1 4 3 Enhanced Synthesizer Performance Specifications Frequency Range 29 MHz 38 MHz 0 5 MHz OST 3H035 Tuning range with no adjustment 38 MHz 50 MHz 1 0 MHz OST 3H045 is shown in brackets 50 4 MHz 71 4 MHz 1 0 MHz OSR 3H061 Output Power 5 dBm 2 dBm into 50Ω External Reference Input External reference input signal via SMB connector J1 Input level 0 dBm 3 dB Input i...

Page 12: ...ign Plug in modules mate with Daniels standard M3 repeater subrack Subracks modules comply with IEEE 1101 DIN 41494 and IEC 297 3 mechanical size modular arrangement External Connections RF Connection type N connector located on the receiver module front panel Motherboard Connections Audio Power and Control are made through a 48 pin gold plated type F connector on the rear of the transmitter modul...

Page 13: ...is also located within this module The module has inputs for the RF signal Front Panel N connector local oscillator input signal and an output for the 21 4 MHz IF signal which connects directly to the FM IF Audio Main Board Interconnections are made using quick connect SMB style connectors The MT 3 Receiver FM IF Audio Main Board accepts the IF signal of 21 4 mHz The signal passes through the foll...

Page 14: ...al for simplified channel number and frequency information VR 3H035 S and VR 3H045 S 29 50 MHz with 5 kHz channel increments BCD settings from 0000 to 4999 CHNL Rxfrequency 29 MHz 5 kHz or Rxfrequency CHNL 5 kHz 29 MHz 6 25 kHz channel increments BCD settings from 5000 to 9999 CHNL Rxfrequency 29 MHz 6 25 kHz 5000 or Rxfrequency CHNL 5000 6 25 kHz 29 MHz Alternatively a frequency and channel looku...

Page 15: ...rack SM 3 System Monitor and RF extender cable to provide receiver power and signal interconnection Alternatively 9 5 Vdc and 13 8 Vdc as well as any required test signals may be applied directly to the individual modules Refer to section 4 Throughout the alignment procedure reference is made to a standard signal This refers to an external generator signal source with FM modulation 1 kHz tone and ...

Page 16: ...equency change in relation to the frequency stamped on the label For example if the frequency is changed by 0 5 MHz from that stamped on the label then a second frequency change of 1 MHz in the same direction would result in a total change of 1 5 MHz The action taken would be on the basis of the 1 5 MHz value Failure to perform a realignment after a large frequency change could result in unreliabl...

Page 17: ... PLL control voltage at TP4 accessible through the synthesizer top cover is advisable at all programmed frequencies The voltage at TP4 should range between 0 5 Vdc and 4 5 Vdc at all programmed frequencies Measured voltages outside this range indicate a possible out of lock condition and should be avoided The Front End module must be removed but left connected from the main receiver chassis in ord...

Page 18: ...ds within a frequency range do not require a configuration change 2 5 Enhanced Front End The FE3H040 Enhanced Front End is a highly integrated frequency selective down converter used in Daniels Electronics standard MT 3 Low Band VHF FM receiver product line The FE3H040 Front End connects to the 21 4 MHz IF Audio Main Board and the enhanced Synthesizer to form a complete receiver The Enhanced Front...

Page 19: ...l temperature compensated 9 6 MHz reference to produce a signal stable to 1 ppm within the temperature range of 40 C to 60 C Alternately the OS 3A H can be disciplined by an external 9 6 MHz or 10 MHz reference of higher stability All synthesizer modules are designed to be easily removed for programming calibration and or repair The synthesizer circuitry is distributed between two printed circuit ...

Page 20: ...eceiver Front Panel Illustration VR3H040SM1 SQ DISABLE N O RM O FF RF N I REFERENCE INPUT RECE VER I SQUELCH DISABLE ON OFF SWITCH TYPE N RF INPUT JACK SMA REFERENCE INPUT JACK FACTORY SET OPERATING FREQUENCY RECEIVER MODEL IDENTIFIER FREQUENCY MHz 45 120 MADE IN CANADA MADE IN CANADA VR 3H045 SW ORANGE TEXT ...

Page 21: ...eceiver Case 2 Remove the four Front Panel screws A 3 Remove the Receiver Case 4 To remove the RF Amplifier Assembly remove Front Panel screws B and the top screw C holding the F48 connector on the PCB 5 Assembly is the reverse of steps 1 through 4 B A A A A B C D D D D Slide PCB into Slot 1 RF AMPLIFIER ASSEMBLY RECEIVER FRONT PANEL ASSEMBLY RECEIVER 14 HP CASE VR3040SM2 ...

Page 22: ...RELAY NO 1 NC 1 COM 1 COM 2 NC 2 NO 2 MUTE SQUELCH OVERRIDE GROUND DE EMPHASIS NETWORK 6 dB PER OCTAVE HIGH PASS NOISE FILTER Fc 10 KHz CHANNEL SEL 3 CHANNEL SEL 2 CHANNEL SEL 1 CHANNEL SEL 0 SYNTH BOOTSTRAP SYNTH DATA OUT SYNTH DATA IN T FINE FREQUENCY ADJUST ACCESS HOLE THROUGH SYNTHESIZER COVER TRUE RMS NOISE POWER DETECTOR SQUELCH TRIGGER COMPARATOR TEMPERATURE COMPENSATED SQUELCH NOISE AMPLIF...

Page 23: ...ction 6 21 4 MHz IF Audio Main Board Schematic Diagram 3 1 2 Power Supplies The receiver operates from a main 9 5 Vdc source from the system monitor applied to B6 Z6 at the main 48 pin connector This source provides power to the Front End local oscillator module IF amplifier operational amplifiers high level audio drive U9 and internal regulators Regulator IC U1 provides 6 0 Vdc to the IF Audio Ma...

Page 24: ...assive quadrature discriminator tuned circuit Recovered audio is output on pin 9 of IC U2 3 1 6 Received Signal Strength Indicator RSSI A received signal strength indicator RSSI output is provided at pin 13 of IC U2 This pin sources up to 60 µA over a linear 60 dB of input signal range Operational amplifier U3A translates the RSSI current to a 1 to 5 Vdc output range that is made available at B24 ...

Page 25: ... both audio and squelch circuitry Operational amplifier U18A is AC coupled to the recovered audio line providing low pass filtering with a cutoff frequency of approximately 8 kHz together with amplification of the recovered audio signal The output of U18A provides a flat audio response which can be routed via jumpers JU10 JU11 and JU12 through a voice band filter and or connected directly through ...

Page 26: ...phasis or flat audio signal path Potentiometer R64 adjusts the gain of the high level drive to a maximum undistorted level of 3 dBm into a 600 Ω load connected to main connector pins B26 and Z26 Jumper JU24 when installed unbalances the 600 Ω line transformer for single ended audio routing applications For low power applications a 4 mA reduction in receiver current is possible by removing jumper J...

Page 27: ...er removes modulation components below 10 kHz leaving band limited noise from 10 kHz to 100 kHz It is important to remove modulation components below 10 kHz in order to prevent variations in squelch trigger point due to modulation changes in the received signal Band limited noise is then presented to operational amplifier U13A where it is amplified with gain as a function of ambient temperature Th...

Page 28: ...l become unsquelched To give the mute line precedence remove jumper JU40 A receiver squelch override line brought out through main connector pin Z14 when pulled low acts to permanently unsquelch the receiver depending on jumper JU40 and the state of the receiver mute line by turning transistors Q8 and Q11 on Transistor Q8 pulls the non inverting input pin 3 of U16A to the 9 5 Vdc supply which caus...

Page 29: ...d receiver channel selection is achieved by setting a decimal number on four BCD frequency select switches or by selecting one of 16 pre programmed channels via the Channel Select Lines Seven backplane connections are used to communicate with the synthesizer unit Pins D28 D30 and D32 are used in house to program the synthesizer with up to 15 channels Channel Select Lines CSEL0 LSB through CSEL3 MS...

Page 30: ...coaxial cable interconnections The FE3H Front End draws approximately 160 mA from the IF audio board s 9 5 Vdc supply The RF input signal connected to the receiver front panel type N connector is fed to the front end SMB input connector J1 by a short coaxial cable The FE3H Front End s local oscillator input and IF output are respectively routed by coaxial cable from the local oscillator module and...

Page 31: ...on The low pass filter consists of C11 through C14 and L3 through L5 It is a low pass filter designed to pass the desired frequency range of 29 0 MHz 50 0 MHz and reject the image band of 71 8 MHz 92 8 MHz Typical insertion loss is 1 5 dB 3 2 6 Local Oscillator Filter The local oscillator filter is a low pass filter consisting of C34 through C37 and L10 through L12 Typical insertion loss is 1 5 dB...

Page 32: ...l transmitter U5 to provide an isolated data interface to the digital board In normal operating modes 9 5 Vdc Regulator IC U8 provides continuous 5 0 Vdc to the internal TCXO and power control optical receiver U1 This results in a standby current level of 14 mA for FM and 4 mA for AM Primary power is controlled through activation of optical receiver U1 under control of the digital board micro cont...

Page 33: ...odulated bandwidth from 0 Hz DC to 50 Hz PLL loop filter bandwidth allowing for specialized applications such as paging or trunking where a separate low frequency digital analog modulation channel is required Phase modulation input pin P1 18 is routed to the transmitter audio processor spare pin P4 2 via JA4 2 on the MT 3 transmitter main board It should be noted that any application of the direct...

Page 34: ...ng of the PLL control voltage set point TP4 is achieved by adjusting fine frequency variable capacitor C24 combined with binary weighted lumped capacitor coarse frequency jumpers JU2 JU3 JU4 External baseband frequency modulation is provided through connection P1 and a voltage divider network formed by R21 and R22 A large signal division ratio established by the resistive dividers R21 and R22 allo...

Page 35: ...y Control 3 4 1 BCD Switch Frequency Control Selection of the desired synthesizer output frequency is straightforward If all four of the CHANNEL SELECT lines CHAN SEL3 CHAN SEL0 are pulled low to GND the synthesizer will scan the four BCD switches FSW1 FSW4 located on the receiver and transmitter main circuit boards via connections SW1 COM SW4 COM and PC4 PC7 and establish the operating frequency ...

Page 36: ... MHz 50 4 MHz 5 0 6 25 kHz 3 4 3 5 0 6 25 kHz Channelization All Daniels VHF synthesizers have been designed to generate frequencies in both 5 0 kHz and 6 25 kHz channel increments BCD channel switch settings from 0000 to 4999 will therefore select operating frequencies with 5 0 kHz increments while BCD switch settings from 5000 to 9999 will select operating frequencies with 6 25 kHz increments Ca...

Page 37: ...lignment check that the appropriate jumpers are installed The standard jumper configuration given in section 5 is normally employed for receiver alignment The extruded receiver case should be removed to expose all receiver circuitry In addition the removal of the Front End is required for C130 second local oscillator frequency adjustment All jumpers and test points are clearly marked All adjustmen...

Page 38: ...re identified by one of the above conventions 4 4 Recommended Test Equipment Alignment of the receiver requires the following test equipment or its equivalent Power supply Regulated 9 5 Vdc at 2 A Phillips PM 2811 Oscilloscope Multimeter Fluke 97 Scopemeter Spectrum Analyzer with Tracking Generator Radio communications test set Marconi Instruments 2955R Radio communications test set Marconi Instru...

Page 39: ...y adjust the VCO fine frequency TUNE trimmer capacitor C24 until a test point TP4 voltage of approximately 2 3 Vdc is obtained PLL loop control voltages below approximately 0 5 Vdc and above approximately 4 5 Vdc will indicate an out of lock synthesizer condition If a test point TP4 reading of approximately 2 3 Vdc is unattainable through adjustment of C24 then the coarse frequency jumpers JU2 JU4...

Page 40: ...at TP4 Repeat this procedure until 2 3 Vdc is achieved at TP4 It is important to check the loop control voltage at TP4 when multiple synthesizer channels have been programmed All channel selections should result in a TP4 voltage within a 1 0 to 4 0 Vdc range Adjust the fine tuning capacitor C24 to center multiple channel voltages symmetrically about 2 3 Vdc Channel selections beyond the tuning ran...

Page 41: ... set up Generate a level of 30dBm and put 30dBm on the top of the y axis using RF ATTEN key Set the scan width to 10MHz div Enter in your Rx frequency Tune the five variable inductors CCW on the side of the front end until they are within a few turns of being flush with the top You should see a shape on the display that resembles a volcano Using the five variable inductors adjust the position of t...

Page 42: ...position Place the Marconi test set into Tx Monitor mode and monitor the radiated RF from X1 using a test probe or antenna with the 1 watt input Tune C130 to achieve 21 855MHz 20 Hz Place the test set into Rx Test and inject the receiver nominal frequency into the RF input of the front end RF Level 70 dBm mod freq 1kHz deviation 9kHz Ensure the band pass filter of 0 3 3 4kHz is selected Measure TP...

Page 43: ...short length of wire connected to a coaxial cable works well Adjust variable capacitor C130 until an oscillator frequency of 21 855 MHz is achieved If the squelch circuitry has been incorrectly adjusted it may be necessary to depress the squelch override switch on the receiver front panel continuously or ground pin Z14 for the following receiver adjustments Terminate the balanced audio output line...

Page 44: ...88 CW until the Rx s audio O P turns off Slowly turn R88 CCW until the signal just comes on and stays on Set the RF Gen level to 3dB below the sensitivity Turn pot R115 CW while occasionally pressing the squelch disable button on the front panel until the signal remains on without having to press the button Slowly turn R115 CCW until the signal just turns off and remains off Check to ensure that t...

Page 45: ...e filter power enable Jumper JU8 not installed Voice band filter 9 5 Vdc power enable Jumper JU9 not installed Voice band filter 4 75 Vdc power enable Jumper JU10 not installed Unfiltered audio voice band filter input select Jumper JU11 installed Unfiltered flat audio select Jumper JU12 not installed Voice band filtered flat audio select Jumper JU13 not installed De emphasized audio voice band fil...

Page 46: ...U39 not installed 6 0 9 5 Vdc Priority COR pull up select Jumper JU40 installed Squelch override precedence enable Jumper JU41 not installed 45 MHz IF narrow band matching Jumper JU42 not installed Installed for 45 MHz only Jumper JU43 not installed Squelched discriminator audio ENA Jumper JU44 not installed Squelched discriminator audio ENB 5 1 3 Test Points TP1 6 0 Vdc 0 1 Vdc U1 positive regula...

Page 47: ...currents indicate that immediate corrective action repair is required TP1 6 0 Vdc 0 1 Vdc U1 positive regulator output TP2 6 0 Vdc 0 1 Vdc U12 negative regulator output TP3 4 75 Vdc 0 1 Vdc Virtual ground reference source TP13 2 50 Vdc 0 02 Vdc U15 squelch threshold reference Note that incorrect bias adjustment R13 of IF amplifier MOSFET Q1 can add significantly to the overall receiver current fig...

Page 48: ...mon B10 Disc Output LPF Z10 Spare D12 Relay 2 normally open B12 COR Normal Z12 COR Normal D14 IMC1 B14 Disc Output Buffered Z14 Squelch Override D16 IMC2 B16 No Connect MT 2 9 5V Z16 No Connect MT 2 9 5V D18 IMC3 B18 COR Opto isolated Z18 COR Opto isolated D20 Channel Select 0 LSB B20 De emphasis Audio Output Z20 No Connect D22 Channel Select 1 B22 Flat Audio Output Z22 Receiver I O Spare D24 Chan...

Page 49: ...s the required jumper configuration for the two synthesizer operating modes 1 Internal reference Install jumper JU1 B on the Analog Board Standard The internal temperature compensated crystal oscillator TCXO provides the reference signal with a stability of 1 ppm from 30 C Optional 40 C to 60 C 2 External reference input Install jumper JU1 A and JU2 on the Analog Board This mode is used in applica...

Page 50: ...6 positive regulator output TP2 5 0 0 1 Vdc U7 positive regulator output TP3 5 0 0 1 Vdc U8 positive regulator output always on TP4 PLL error voltage Normal range is 0 5 to 4 5 Vdc depending on frequency Nominally adjusted for 2 3 Vdc via C24 for center channel Digital Board Component Layout Bottom TP1 5 0 0 1 Vdc U2 positive regulator output controlled via pin P2 4 TP2 Microcontroller E clock 2 M...

Page 51: ...600R J1 J2 1 ROW x 6 PIN J3 1X2PIN C81 100 nF C114 330nF C116 330nF C117 330nF C113 4 7nF L7 150mH L8 150mH C107 470pF C106 820pF X1 L5 440 1143uH J7 IF RF IN R82 10K 1 ROW x12 PIN 1 ROW x 9 PIN J4 48 PIN F TYPE F1 J6 FRONT END CONNECTION 6V 13 8V PCB HOLDER FASTENED TO FRONT PANEL PCB HOLDER FASTENED TO FRONT PANEL C99 100µF C94 100µF C108 820pF C1 100µF SW1 TOGGLE SW2 PUSH C104 100µF 9 5V M1 C12...

Page 52: ... 100k C52 4 7µF C53 100nF U18 MC 33172 R29 187k C51 33pF R27 22k6 R28 22k6 C50 100nF R26 22k6 R9 100R R10 100R L1 N I C14 10nF R8 R6 0R R7 C136 C45 10nF R15 475R C30 10nF C31 10nF C34 100nF C138 C32 100nF C33 4 7µF C35 100nF C37 100nF C38 100nF U2 MC3371 C137 150pF R16 15k0 C47 100nF C46 R18 49k9 U3 MC 33172 C41 100nF C39 100nF R17 R20 C42 100nF R19 49k9 R21 49k9 R30 1k00 C40 4 7µF R35 1k00 U4 MC ...

Page 53: ... SUBTONE FILTER ENABLE JU8 VOICE BAND HIGH PASS FILTER ENABLE JU9 VOICE BAND FILTER OFFSET ENABLE JU10 FLAT AUDIO HIGH PASS FILTER CONNECT JU11 NORMAL FLAT AUDIO O P CONNECT JU12 HIGH PASS FILTER OUT TO FLAT AUDIO JU13 DE EMPHASIS TO HIGH PASS FLTR CONN JU14 NORMAL DE EMPH AUDIO OUTPUT CONN JU15 HPASS FLTR OUT TO DE EMP AUDIO PATH JU16 FLAT AUDIO HIGH LEVEL DRIVE JU17 DE EMPH AUDIO HIGH LEVEL CONN...

Page 54: ...MC33172 C132 120pF 3 4 2 5 6 1 7 8 U17 MOC223 LPF RFC 29 6 5 7 U19B MC33172 R98 100k PRIORITY COR MT 2 AFC MON Z 24 JU5 LPF RFC 21 9 5V BAS 16 D13 BC817 25 Q12 6V 10k0 R107 SIG DETECT PULLUP 470pF C107 820pF C108 150mH L7 150mH L8 10k0 R79 22k6 R81 6 8pF C110 22k6 R80 100nF C109 TP11 6 5 4 7 8 MC33172 U13A 4 7µF C111 100nF C112 9 5V 680pF C105 4k75 R78 4 75V 10k0 R83 10k R82 AD736 1 2 4 3 6 5 8 7 ...

Page 55: ...ponent Layout 6 5 VHF Enhanced Extra Wideband Receiver Instruction Manual IM10 VR3H040 AB R4 Q1 C5 P7 L4 UNUSED REFERENCE DESIGNATORS HIGHEST REFERENCE DESIGNATORS DWG No RX214M6 BOARD REV 1 0 BOARD No 50032 01 DATE 26 JULY 96 TITLE IF BUFFER DWN BY BRAD KOSIANCE APRVD DWG REV DATE TO MIXER PIN 2 IF INPUT ID 30MmA 9 5V 121R R1 121R R2 1 2 332R R3 1 0uH L1 100nF C1 820nH L2 56pF C2 10nF C3 680nH L3...

Page 56: ... C DE DANIELS ELECTRONICS TITLE ENHANCED FRONT END BANDPASS FILTER FE3H0X5 TOP TOP DWG No FE3H040M3 FE3H045 FE3H035 37 5 50 0 MHz 29 0 38 5 MHz 68 pF L5 C9 UNUSED REFERENCE DESIGNATORS RF INPUT APRVD RICK SMEGAL BOARD REV 1 0 DATE 06 FEBRUARY 1997 BOARD No 50034 01 L5 L4 L3 L2 L1 C9 C8 C7 C6 C5 C4 C3 C2 C1 162 252 nH 162 252 nH 162 252 nH 162 252 nH 162 252 nH 193 306 nH 193 306 nH 193 306 nH 193 ...

Page 57: ...IMAGE REJECTION FILTER R F INPUT I F OUTPUT 9 5 VDC 9 5 VDC 10 0µH L1 10 0µH L9 1 2 1 2 R10 SEL SEL R12 SEL R11 100nF C20 4 7µF C19 4 7µF C1 100nF C2 1K00 R1 30R1 R3 E B C NE46134 Q2 3K01 R4 C4 100nF C6 1 0nF E B C Q1 BC807 25 1 2 4R75 R6 2 2µH L2 C15 C16 C17 C18 L6 L7 L8 L3 220nH L4 270nH 49R9 R7 JU1 JU2 JU3 C3 10nF 10nF C5 10nF C7 10nF C8 10nF C9 10nF C10 10nF C21 R2 332R0 C11 47pF C14 47pF C12 ...

Page 58: ...DANIELS ELECTRONICS LTD TM 6 8 IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 59: ... 2 2µH Q2 NE46134 Q1 BC807 25 L1 10 0µH C3 10nF C2 100nF C1 4 7µF C4 100nF C5 10nF C6 1 0nF R1 1K00 R2 332R R3 30R1 R4 3K01 R6 4R75 R5 1K82 C9 10nF C8 10nF C10 10nF C7 10nF C14 47pF C13 100pF C12 100pF R14 49R9 JU1 JU2 JU3 A B C31 100nF C30 100nF C29 100nF C28 100nF C27 100nF C26 100nF C21 10nF C20 100nF C23 47pF C22 47pF C25 220pF C24 220pF R9 5K11 C33 100nF C32 100nF R15 121R R13 121R L11 180nH ...

Page 60: ... T C33 D5 T C34 B4 T C35 C5 T C36 C4 T C37 E4 B C38 E4 B C39 E4 B C40 B4 T C41 C5 T C42 E4 T C43 D4 T C44 C4 T C45 D4 B C46 E5 T C47 C4 T C48 A3 B C49 D3 B C50 D5 T C51 D5 T C52 E5 T C53 E5 T C54 D3 T C55 C4 T C56 C3 T C57 E4 T C58 E4 T C59 E4 T C61 A4 T C62 A5 T C63 A5 T C64 B5 T D1 A4 T D2 A4 T D3 B4 T D4 C5 T D5 B2 T JU1 B2 T JU2 A5 T JU3 A5 T JU4 A5 T JU5 D3 T JU6 F3 T JU7 F3 T JU8 F3 T DES LC...

Page 61: ...DES LC SD DES LC SD COMPONENT LOCATION TABLE C1 F1 T C2 E1 T C3 E2 T C4 A3 T C5 C2 T C6 E1 T C7 E1 T C8 A1 T C9 A3 T C10 A2 T C11 C2 T C12 E1 T C13 D1 T C14 A2 T C15 D1 T C16 A1 T C17 A3 T C18 B2 T C19 E2 T C20 D2 T C21 D2 T C22 D2 T C23 A4 T C24 B4 B C25 A4 T C26 C2 T C27 C1 T C28 B5 T C29 D3 T C30 D3 T C31 D3 T C32 C5 T C33 D5 T C34 B4 T C35 C5 T C36 C4 T C37 E4 B C38 E4 B C39 E4 B C40 B4 T C41 ...

Page 62: ...JOE U12 U14 J2 JU10 TCXO1 TP4 Q5 P3 R56 RV1 L13 LED1 C60 03 OSx 3H061 OSx 3H045 OSx 3H035 PRODUCT FREQUENCY BAND IDENTIFICATION A B COLIN GUNN 24 FEB 97 OS 3 R T 3H 29 71 4 MHz BOARD SCHEMATIC DIAGRAM EXTRA WIDEBAND C64 TP4 LOOP CONTROL SET FOR Å 2 3 VDC A B U16 D5 HIGHEST REFERENCE DESIGNATORS RF OUTPUT 3 5 dB Pad LOCK DETECT OUTPUT ACTIVATED WHEN UNLOCKED NC NC NC MODULATION INPUT POWER CNTRL ID...

Page 63: ... PD0 VDD MODB VRH PE7 PE6 PE5 PE4 PE3 PE2 PE1 PE0 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 VRL 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 17 18 19 25 24 23 22 21 20 26 34 33 32 31 30 29 28 27 42 41 40 39 38 37 36 35 43 45 47 49 44 46 48 50 51 52 U4 68HC811E2 D1 D1 D2 D2 S1 G1 S2 G2 1 2 3 4 5 6 7 8 U1 SI9933DY P1 12 P1 19 P1 11 P1 5 P1 13 P1 6 P1 14 P1 15 P1 8 P1 16 27K4 R14 27K4...

Page 64: ...7 U41 68HC11E2 X1 8 0Mhz C7 22pF R11 10M0 C6 22pF R39 27k4 R4 27k4 R10 27k4 R25 10k0 Q2 BC817 R24 10k0 L1 10uH C5 47uF C3 47uF U1 SI9933Y U2 LP2951 C4 47uF R6 27k4 D3 BAS16 JU2 C15 10uF JU1 U9 OPL550 U8 OP140A U7 OP140A U6 OP140A U5 OP140A P1 1ROW x 12P 1ROW x 9P P2 1ROW x 6P OS3150M4A PCB 50021 03 JU2 9 6 MHz REFERENCE 10 MHz REFERENCE NOT INSTALLED INSTALLED JU1 OSx 3H 29 470 MHz OSx 3A 118 159 ...

Page 65: ...14 27k4 R15 27k4 R16 27k4 R27 27k4 R26 10k0 R 17 27k4 R 33 332R R 32 215R R 31 215R C10 100nF C11 100nF C12 100nF C13 100nF C14 100nF R 30 215R R 23 10k0 R 3 27k4 R 2 27k4 C1 100nF C2 100nF Q11 BC817 Q8 BC817 Q7 BC817 Q6 BC817 Q5 BC817 Q4 BC817 Q3 BC817 Q1 BC817 Q10 BC817 D1 BAS16 D2 BAS16 D4 BAS16 R40 27k4 DWG No OS3HDIGAS2B TITLE OS 3H DIGITAL BOARD COMPONENT SIDE SM VALUE DESIGNATION R41 221k R...

Page 66: ...DANIELS ELECTRONICS LTD TM 6 16 IM10 VR3H040 AB VHF Enhanced Extra Wideband Receiver Instruction Manual This Page Intentionally Left Blank ...

Page 67: ...C0G 1008 1A820J1G C16 CAP SM 22pF CER 0805 C0G 1008 1A220J1G C17 CAP SM TRIMMER 2 5 10pF 1088 1A2R510R C18 CAP SM 6 8pF CER 0805 C0G 1008 0A689J1G C19 CAP SM TRIMMER 0 6 2 5pF 1088 1A0R62R5 C20 CAP SM 10nF CER 1206 X7R 1008 4B103K5R C21 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C22 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C23 CAP SM 10nF CER 1206 X7R 1008 4B103K5R C24 CAP SM 10nF CER 1206 X7R 1008 4B1...

Page 68: ...104K5R C59 CAP 10nF FILM MMK5 10 63V 1016 4A103K63 C60 CAP 10nF FILM MMK5 10 63V 1016 4A103K63 C61 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C62 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C63 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C64 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C65 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C66 CAP 22nF FILM MMK5 10 63V 1016 4A223K63 C67 CAP 22nF FILM MMK5 10 63V 1016 4A223K...

Page 69: ...05 C0G 1008 1A330J1G C104 CAP 100uF DIP TANT 20 20V 1054 7M107M20 C105 CAP SM 680pF CER 1206 C0G 1008 2B681J1G C106 CAP 820pF FILM KP 1 400V 1018 2A8201FD C107 CAP 470pF FILM KP 1 630V 1018 2A4701FE C108 CAP 820pF FILM KP 1 400V 1018 2A8201FD C109 CAP SM 100nF CER 1206 X7R 1008 5B104K5R C110 CAP SM 6 8pF CER 0805 C0G 1008 0A689J1G C111 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C112 CAP SM 100nF CER 1...

Page 70: ...S16 SWITCHING SOT23 2100 BAS16000 D12 DIODE MBZ5233B 6 0V ZEN SOT23 2102 MBZ5233B D13 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D14 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D15 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 FB1 FERRITE BEAD SM 43MIX 18x 12 1213 43181200 L1 INDUCTOR SM 680nH 10 1812 1255 2GR6800M L2 INDUCT VAR 1 5 2 0uH SHIELD 1262 113C017S L3 INDUCT TOROID 26T 28AWG T37 6 1290 8426002...

Page 71: ...1206 1 100ppm 1150 4B6812FP R21 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R22 RES SM 1K00 1206 1 100ppm 1150 3B1001FP R23 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R24 RES SM 49K9 1206 1 100ppm 1150 4B4992FP R25 RES SM 1K00 1206 1 100ppm 1150 3B1001FP R26 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R27 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R28 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R29 RES SM 187K 1206...

Page 72: ... R64 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 R65 RES SM 13K0 1206 1 100ppm 1150 4B1302FP R66 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 R67 RES SM 4K75 1206 1 100ppm 1150 3B4751FP R68 RES SM 22K6 1206 1 100ppm 1150 4B2262FP R69 RES SM 15K4 1206 1 100ppm 1150 4B1542FP R70 RES SM 475R 1206 1 100ppm 1150 2B4750FP R71 RES SM ZERO OHM JUMPER 1206 1150 0B0R0000 R72 RES SM 49K9 1206 1 100ppm 1150 4B...

Page 73: ...4B1002FP R115 POT SM 4mmSQ 50K MULT TRN TOP 1174 DM3503W0 RFC30 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 RLY1 RELAY 9VDC 2 FORM C PCB MNT 5310 2C09P005 T1 TRANSFORMER AUDIO 600R 1 1 1280 600P6005 U1 IC LP2951 PROG VOLT REG SO 8 2305 29510N08 U2 IC MC3371 FM RX W RSSI SO 16 2351 33710N16 U3 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 U4 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 U5 IC MC33172 DUAL OP...

Page 74: ... N CH SOT 23 2141 MBFU310L R1 RES SM 121R 1206 1 100ppm 1150 2B1210FP R2 RES SM 121R 1206 1 100ppm 1150 2B1210FP R3 RES SM 332R 1206 1 100ppm 1150 2B3320FP R4 RES SM 49R9 0805 1 100ppm 1150 1A49R9FP 7 1 3 Enhanced Front End Ref Desg Description Part Numbers VT 3H035 SWA VT 3H045 SWA C1 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C2 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C3 CAP SM 10nF CER 0805 X7R ...

Page 75: ...L4 INDUCTOR SM 270nH CER 10 1008 1256 2BR2700K L5 INDUCTOR SM 220nH CER 10 1008 1256 2BR2200K L9 INDUCTOR SM 10 0uH 10 1812 1255 4G10000K L10 INDUCTOR SM 150nH CER 10 1008 1256 2BR1500K L11 INDUCTOR SM 180nH CER 10 1008 1256 2BR1800K L12 INDUCTOR SM 150nH CER 10 1008 1256 2BR1500K M1 IC AD831AP MIXER L D PLCC20 2360 83100P20 PCB PCB FRONT END AMP MIX LB VHF 4310 72500411 Q1 TRANSISTOR BC807 25 PNP...

Page 76: ...805 C0G 1008 0A829J1G C6 CAP SM 12pF CER 0805 C0G 1008 1A120J1G C7 CAP SM 56pF CER 0805 C0G 1008 1A560J1G C7 CAP SM 68pF CER 0805 C0G 1008 1A680J1G C8 CAP SM 10pF CER 0805 C0G 1008 1A100J1G C8 CAP SM 15pF CER 0805 C0G 1008 1A150J1G C9 CAP SM 68pF CER 0805 C0G 1008 1A680J1G C9 CAP SM 82pF CER 0805 C0G 1008 1A820J1G L1 INDUCT VAR 162 252uH TAP3 3 8 1263 10C05U27 L1 INDUCT VAR 193 306uH TAP4 3 8 1263...

Page 77: ...02K5R C18 CAP SM 47uF TANT 20 16V 1055 6D476M16 C19 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C20 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C21 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C22 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C23 CAP SM 27pF CER 0805 C0G 1008 1A270J1G C24 CAP TRIM 1 14pF STAND 6T 1082 A1R0014J C25 CAP SM 1nF CER 0805 X7R 50V 1008 3A102K5R C26 CAP SM 1nF CER 0805 X7R 50V 1008...

Page 78: ...9L D3 DIODE MMBD701 HOT CARR SOT23 2105 MMBD7010 D4 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D5 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 L1 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L2 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L3 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L4 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L5 INDUCTOR 9 5T 138nH MOLD WHT 1253 A0951389 L6 CHOKE RF MOLDED 10uH 10 25 1251 4A0...

Page 79: ...pm 1150 1A10R0FP R24 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R25 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R26 RES 1R2 METAL FILM 5 0 5W 1101 0A01R2JI R27 RES SM 15K0 0805 1 100ppm 1150 4A1502FP R28 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R29 RES SM 18K2 0805 1 100ppm 1150 4A1822FP R30 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R31 RES SM 49R9 0805 1 100ppm 1150 1A49R9FP R32 RES 15K METAL FILM 5 0 5W 1...

Page 80: ...TH SO 20 2355 45191N20 U11 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 U15 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 U16 IC MSA 0611 MMIC AMP SOT 143 2354 MSA06110 7 1 6 Enhanced Synthesizer Digital Board Ref Desg Description Part Numbers VT 3H035 SWA3 VT 3H045 SWA3 C1 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C2 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C3 CAP SM 47uF TANT 20 16V 1055 6D476M16 ...

Page 81: ...0805 1 100ppm 1150 4A2742FP R16 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R17 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R18 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R19 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R20 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R21 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R22 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R23 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R24 RES SM 10K0 0805...

Page 82: ...T 5122 J20S00BG 1 CONNECTOR F 48 MALE R A PCB 3720 6048M0RA 1 DIVIDER MT 3 RX IF COMP SIDE 3702 67301020 1 DIVIDER MT 3 RX IF SOLDR SIDE 3702 67301010 1 FILTER XTAL 21 4MHz 6 0 PR 1332 2144120F 2 FILTER XTAL 21 4MHz 6 0 PR 1332 2144120F 2 NUT M3 HEX 5 5mm FLATS NYLON 5813 3M0HX55P 2 NUT M3 HEX 5 5mm FLATS NYLON 5813 3M0HX55P 2 NUT PRESS M2 5 5 6mmOD PC MNT 5833 T2M55615 3 NUT PRESS M2 5 5 6mmOD PC...

Page 83: ...J1SC01BG 1 LOCKWASHER M2 5 SPLIT A2 STEEL 5814 2M5LK00S 18 NUT PRESS M2 5 5 6mmOD PC MNT 5833 T2M55615 12 SCREW M2 5 x 25 PAN PHIL A2 5812 2M5PP25S 18 SCREW M3 X 6 FLAT PHIL A2 5812 3M0FP06S 4 SHIELD V UHF F E AMP LO DIVDR 3702 67301122 1 SHIELD V UHF F E AMP RF DIVDR 3702 67301123 1 SHIELD V UHF F END AMP WALL 3702 67301120 1 STANDOFF 5 56mmOD 4mmL M2 5 SW 5927 5S4BM25T 6 WIRE TFE STRAND 24AWG RE...

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Page 85: ...29 73500 0148 29 74000 0149 29 74500 0150 29 75000 0151 29 75500 0152 29 76000 0153 29 76500 0154 29 77000 0155 29 77500 0156 29 78000 0157 29 78500 0158 29 79000 0159 29 79500 0160 29 80000 0161 29 80500 0162 29 81000 0163 29 81500 0164 29 82000 0165 29 82500 0166 29 83000 0167 29 83500 0168 29 84000 0169 29 84500 0170 29 85000 0171 29 85500 0172 29 86000 0173 29 86500 0174 29 87000 0175 29 87500...

Page 86: ...0508 31 54000 0509 31 54500 0510 31 55000 0511 31 55500 0512 31 56000 0513 31 56500 0514 31 57000 0515 31 57500 0516 31 58000 0517 31 58500 0518 31 59000 0519 31 59500 0520 31 60000 0521 31 60500 0522 31 61000 0523 31 61500 0524 31 62000 0525 31 62500 0526 31 63000 0527 31 63500 0528 31 64000 0529 31 64500 0530 31 65000 0531 31 65500 0532 31 66000 0533 31 66500 0534 31 67000 0535 31 67500 0536 31 ...

Page 87: ...0898 33 49000 0899 33 49500 0900 33 50000 0901 33 50500 0902 33 51000 0903 33 51500 0904 33 52000 0905 33 52500 0906 33 53000 0907 33 53500 0908 33 54000 0909 33 54500 0910 33 55000 0911 33 55500 0912 33 56000 0913 33 56500 0914 33 57000 0915 33 57500 0916 33 58000 0917 33 58500 0918 33 59000 0919 33 59500 0920 33 60000 0921 33 60500 0922 33 61000 0923 33 61500 0924 33 62000 0925 33 62500 0926 33 ...

Page 88: ...1288 35 44000 1289 35 44500 1290 35 45000 1291 35 45500 1292 35 46000 1293 35 46500 1294 35 47000 1295 35 47500 1296 35 48000 1297 35 48500 1298 35 49000 1299 35 49500 1300 35 50000 1301 35 50500 1302 35 51000 1303 35 51500 1304 35 52000 1305 35 52500 1306 35 53000 1307 35 53500 1308 35 54000 1309 35 54500 1310 35 55000 1311 35 55500 1312 35 56000 1313 35 56500 1314 35 57000 1315 35 57500 1316 35 ...

Page 89: ...1678 37 39000 1679 37 39500 1680 37 40000 1681 37 40500 1682 37 41000 1683 37 41500 1684 37 42000 1685 37 42500 1686 37 43000 1687 37 43500 1688 37 44000 1689 37 44500 1690 37 45000 1691 37 45500 1692 37 46000 1693 37 46500 1694 37 47000 1695 37 47500 1696 37 48000 1697 37 48500 1698 37 49000 1699 37 49500 1700 37 50000 1701 37 50500 1702 37 51000 1703 37 51500 1704 37 52000 1705 37 52500 1706 37 ...

Page 90: ...2068 39 34000 2069 39 34500 2070 39 35000 2071 39 35500 2072 39 36000 2073 39 36500 2074 39 37000 2075 39 37500 2076 39 38000 2077 39 38500 2078 39 39000 2079 39 39500 2080 39 40000 2081 39 40500 2082 39 41000 2083 39 41500 2084 39 42000 2085 39 42500 2086 39 43000 2087 39 43500 2088 39 44000 2089 39 44500 2090 39 45000 2091 39 45500 2092 39 46000 2093 39 46500 2094 39 47000 2095 39 47500 2096 39 ...

Page 91: ...2458 41 29000 2459 41 29500 2460 41 30000 2461 41 30500 2462 41 31000 2463 41 31500 2464 41 32000 2465 41 32500 2466 41 33000 2467 41 33500 2468 41 34000 2469 41 34500 2470 41 35000 2471 41 35500 2472 41 36000 2473 41 36500 2474 41 37000 2475 41 37500 2476 41 38000 2477 41 38500 2478 41 39000 2479 41 39500 2480 41 40000 2481 41 40500 2482 41 41000 2483 41 41500 2484 41 42000 2485 41 42500 2486 41 ...

Page 92: ...2848 43 24000 2849 43 24500 2850 43 25000 2851 43 25500 2852 43 26000 2853 43 26500 2854 43 27000 2855 43 27500 2856 43 28000 2857 43 28500 2858 43 29000 2859 43 29500 2860 43 30000 2861 43 30500 2862 43 31000 2863 43 31500 2864 43 32000 2865 43 32500 2866 43 33000 2867 43 33500 2868 43 34000 2869 43 34500 2870 43 35000 2871 43 35500 2872 43 36000 2873 43 36500 2874 43 37000 2875 43 37500 2876 43 ...

Page 93: ...3238 45 19000 3239 45 19500 3240 45 20000 3241 45 20500 3242 45 21000 3243 45 21500 3244 45 22000 3245 45 22500 3246 45 23000 3247 45 23500 3248 45 24000 3249 45 24500 3250 45 25000 3251 45 25500 3252 45 26000 3253 45 26500 3254 45 27000 3255 45 27500 3256 45 28000 3257 45 28500 3258 45 29000 3259 45 29500 3260 45 30000 3261 45 30500 3262 45 31000 3263 45 31500 3264 45 32000 3265 45 32500 3266 45 ...

Page 94: ...3628 47 14000 3629 47 14500 3630 47 15000 3631 47 15500 3632 47 16000 3633 47 16500 3634 47 17000 3635 47 17500 3636 47 18000 3637 47 18500 3638 47 19000 3639 47 19500 3640 47 20000 3641 47 20500 3642 47 21000 3643 47 21500 3644 47 22000 3645 47 22500 3646 47 23000 3647 47 23500 3648 47 24000 3649 47 24500 3650 47 25000 3651 47 25500 3652 47 26000 3653 47 26500 3654 47 27000 3655 47 27500 3656 47 ...

Page 95: ...49 01500 4004 49 02000 4005 49 02500 4006 49 03000 4007 49 03500 4008 49 04000 4009 49 04500 4010 49 05000 4011 49 05500 4012 49 06000 4013 49 06500 4014 49 07000 4015 49 07500 4016 49 08000 4017 49 08500 4018 49 09000 4019 49 09500 4020 49 10000 4021 49 10500 4022 49 11000 4023 49 11500 4024 49 12000 4025 49 12500 4026 49 13000 4027 49 13500 4028 49 14000 4029 49 14500 4030 49 15000 4031 49 15500...

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Page 97: ...163 30 01875 5164 30 02500 5165 30 03125 5166 30 03750 5167 30 04375 5168 30 05000 5169 30 05625 5170 30 06250 5171 30 06875 5172 30 07500 5173 30 08125 5174 30 08750 5175 30 09375 5176 30 10000 5177 30 10625 5178 30 11250 5179 30 11875 5180 30 12500 5181 30 13125 5182 30 13750 5183 30 14375 5184 30 15000 5185 30 15625 5186 30 16250 5187 30 16875 5188 30 17500 5189 30 18125 5190 30 18750 5191 30 1...

Page 98: ...0 5523 32 26875 5524 32 27500 5525 32 28125 5526 32 28750 5527 32 29375 5528 32 30000 5529 32 30625 5530 32 31250 5531 32 31875 5532 32 32500 5533 32 33125 5534 32 33750 5535 32 34375 5536 32 35000 5537 32 35625 5538 32 36250 5539 32 36875 5540 32 37500 5541 32 38125 5542 32 38750 5543 32 39375 5544 32 40000 5545 32 40625 5546 32 41250 5547 32 41875 5548 32 42500 5549 32 43125 5550 32 43750 5551 3...

Page 99: ...0 5883 34 51875 5884 34 52500 5885 34 53125 5886 34 53750 5887 34 54375 5888 34 55000 5889 34 55625 5890 34 56250 5891 34 56875 5892 34 57500 5893 34 58125 5894 34 58750 5895 34 59375 5896 34 60000 5897 34 60625 5898 34 61250 5899 34 61875 5900 34 62500 5901 34 63125 5902 34 63750 5903 34 64375 5904 34 65000 5905 34 65625 5906 34 66250 5907 34 66875 5908 34 67500 5909 34 68125 5910 34 68750 5911 3...

Page 100: ...0 6243 36 76875 6244 36 77500 6245 36 78125 6246 36 78750 6247 36 79375 6248 36 80000 6249 36 80625 6250 36 81250 6251 36 81875 6252 36 82500 6253 36 83125 6254 36 83750 6255 36 84375 6256 36 85000 6257 36 85625 6258 36 86250 6259 36 86875 6260 36 87500 6261 36 88125 6262 36 88750 6263 36 89375 6264 36 90000 6265 36 90625 6266 36 91250 6267 36 91875 6268 36 92500 6269 36 93125 6270 36 93750 6271 3...

Page 101: ...0 6603 39 01875 6604 39 02500 6605 39 03125 6606 39 03750 6607 39 04375 6608 39 05000 6609 39 05625 6610 39 06250 6611 39 06875 6612 39 07500 6613 39 08125 6614 39 08750 6615 39 09375 6616 39 10000 6617 39 10625 6618 39 11250 6619 39 11875 6620 39 12500 6621 39 13125 6622 39 13750 6623 39 14375 6624 39 15000 6625 39 15625 6626 39 16250 6627 39 16875 6628 39 17500 6629 39 18125 6630 39 18750 6631 3...

Page 102: ...0 6963 41 26875 6964 41 27500 6965 41 28125 6966 41 28750 6967 41 29375 6968 41 30000 6969 41 30625 6970 41 31250 6971 41 31875 6972 41 32500 6973 41 33125 6974 41 33750 6975 41 34375 6976 41 35000 6977 41 35625 6978 41 36250 6979 41 36875 6980 41 37500 6981 41 38125 6982 41 38750 6983 41 39375 6984 41 40000 6985 41 40625 6986 41 41250 6987 41 41875 6988 41 42500 6989 41 43125 6990 41 43750 6991 4...

Page 103: ...0 7323 43 51875 7324 43 52500 7325 43 53125 7326 43 53750 7327 43 54375 7328 43 55000 7329 43 55625 7330 43 56250 7331 43 56875 7332 43 57500 7333 43 58125 7334 43 58750 7335 43 59375 7336 43 60000 7337 43 60625 7338 43 61250 7339 43 61875 7340 43 62500 7341 43 63125 7342 43 63750 7343 43 64375 7344 43 65000 7345 43 65625 7346 43 66250 7347 43 66875 7348 43 67500 7349 43 68125 7350 43 68750 7351 4...

Page 104: ...0 7683 45 76875 7684 45 77500 7685 45 78125 7686 45 78750 7687 45 79375 7688 45 80000 7689 45 80625 7690 45 81250 7691 45 81875 7692 45 82500 7693 45 83125 7694 45 83750 7695 45 84375 7696 45 85000 7697 45 85625 7698 45 86250 7699 45 86875 7700 45 87500 7701 45 88125 7702 45 88750 7703 45 89375 7704 45 90000 7705 45 90625 7706 45 91250 7707 45 91875 7708 45 92500 7709 45 93125 7710 45 93750 7711 4...

Page 105: ...0 8043 48 01875 8044 48 02500 8045 48 03125 8046 48 03750 8047 48 04375 8048 48 05000 8049 48 05625 8050 48 06250 8051 48 06875 8052 48 07500 8053 48 08125 8054 48 08750 8055 48 09375 8056 48 10000 8057 48 10625 8058 48 11250 8059 48 11875 8060 48 12500 8061 48 13125 8062 48 13750 8063 48 14375 8064 48 15000 8065 48 15625 8066 48 16250 8067 48 16875 8068 48 17500 8069 48 18125 8070 48 18750 8071 4...

Page 106: ...49 51875 8284 49 52500 8285 49 53125 8286 49 53750 8287 49 54375 8288 49 55000 8289 49 55625 8290 49 56250 8291 49 56875 8292 49 57500 8293 49 58125 8294 49 58750 8295 49 59375 8296 49 60000 8297 49 60625 8298 49 61250 8299 49 61875 8300 49 62500 8301 49 63125 8302 49 63750 8303 49 64375 8304 49 65000 8305 49 65625 8306 49 66250 8307 49 66875 8308 49 67500 8309 49 68125 8310 49 68750 8311 49 69375...

Page 107: ...zed Low Band VHF Extra Wideband Receiver 29 to 50 MHz Converted for 50kHz channel spacing Current information was extracted from the following documents to create an Instruction Manual specific to the VT 3H040 Receiver converted for 50 KHz channel spacing IM10 RX214 IM10 OS3AH IM10 FE3H040 IM10 VR3H040CT 1 1 0 Aug 2003 ECO 767 Revised parts list PCB 43 91079A Updated Component Layout and Schematic...

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