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Daniels Electronics VR-3H, Инструкция по эксплуатации

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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 

8-15 

5720 ....... 33.50000 
5721 ....... 33.50625 
5722 ....... 33.51250 
5723 ....... 33.51875 
5724 ....... 33.52500 
5725 ....... 33.53125 
5726 ....... 33.53750 
5727 ....... 33.54375 
5728 ....... 33.55000 
5729 ....... 33.55625 
5730 ....... 33.56250 
5731 ....... 33.56875 
5732 ....... 33.57500 
5733 ....... 33.58125 
5734 ....... 33.58750 
5735 ....... 33.59375 
5736 ....... 33.60000 
5737 ....... 33.60625 
5738 ....... 33.61250 
5739 ....... 33.61875 
5740 ....... 33.62500 
5741 ....... 33.63125 
5742 ....... 33.63750 
5743 ....... 33.64375 
5744 ....... 33.65000 
5745 ....... 33.65625 
5746 ....... 33.66250 
5747 ....... 33.66875 
5748 ....... 33.67500 
5749 ....... 33.68125 
5750 ....... 33.68750 
5751 ....... 33.69375 
5752 ....... 33.70000 
5753 ....... 33.70625 
5754 ....... 33.71250 
5755 ....... 33.71875 
5756 ....... 33.72500 
5757 ....... 33.73125 
5758 ....... 33.73750 
5759 ....... 33.74375 
5760 ....... 33.75000 
5761 ....... 33.75625 
5762 ....... 33.76250 
5763 ....... 33.76875 
5764 ....... 33.77500 
5765 ....... 33.78125 
5766 ....... 33.78750 
5767 ....... 33.79375 
5768 ....... 33.80000 
5769 ....... 33.80625 
5770 ....... 33.81250 
5771 ....... 33.81875 
5772 ....... 33.82500 
5773 ....... 33.83125 
5774 ....... 33.83750 
5775 ....... 33.84375 
5776 ....... 33.85000 
5777 ....... 33.85625 
5778 ....... 33.86250 
5779 ....... 33.86875 

5780 ....... 33.87500 
5781 ....... 33.88125 
5782 ....... 33.88750 
5783 ....... 33.89375 
5784 ....... 33.90000 
5785 ....... 33.90625 
5786 ....... 33.91250 
5787 ....... 33.91875 
5788 ....... 33.92500 
5789 ....... 33.93125 
5790 ....... 33.93750 
5791 ....... 33.94375 
5792 ....... 33.95000 
5793 ....... 33.95625 
5794 ....... 33.96250 
5795 ....... 33.96875 
5796 ....... 33.97500 
5797 ....... 33.98125 
5798 ....... 33.98750 
5799 ....... 33.99375 
5800 ....... 34.00000 
5801 ....... 34.00625 
5802 ....... 34.01250 
5803 ....... 34.01875 
5804 ....... 34.02500 
5805 ....... 34.03125 
5806 ....... 34.03750 
5807 ....... 34.04375 
5808 ....... 34.05000 
5809 ....... 34.05625 
5810 ....... 34.06250 
5811 ....... 34.06875 
5812 ....... 34.07500 
5813 ....... 34.08125 
5814 ....... 34.08750 
5815 ....... 34.09375 
5816 ....... 34.10000 
5817 ....... 34.10625 
5818 ....... 34.11250 
5819 ....... 34.11875 
5820 ....... 34.12500 
5821 ....... 34.13125 
5822 ....... 34.13750 
5823 ....... 34.14375 
5824 ....... 34.15000 
5825 ....... 34.15625 
5826 ....... 34.16250 
5827 ....... 34.16875 
5828 ....... 34.17500 
5829 ....... 34.18125 
5830 ....... 34.18750 
5831 ....... 34.19375 
5832 ....... 34.20000 
5833 ....... 34.20625 
5834 ....... 34.21250 
5835 ....... 34.21875 
5836 ....... 34.22500 
5837 ....... 34.23125 
5838 ....... 34.23750 
5839 ....... 34.24375 

5840 ....... 34.25000 
5841 ....... 34.25625 
5842 ....... 34.26250 
5843 ....... 34.26875 
5844 ....... 34.27500 
5845 ....... 34.28125 
5846 ....... 34.28750 
5847 ....... 34.29375 
5848 ....... 34.30000 
5849 ....... 34.30625 
5850 ....... 34.31250 
5851 ....... 34.31875 
5852 ....... 34.32500 
5853 ....... 34.33125 
5854 ....... 34.33750 
5855 ....... 34.34375 
5856 ....... 34.35000 
5857 ....... 34.35625 
5858 ....... 34.36250 
5859 ....... 34.36875 
5860 ....... 34.37500 
5861 ....... 34.38125 
5862 ....... 34.38750 
5863 ....... 34.39375 
5864 ....... 34.40000 
5865 ....... 34.40625 
5866 ....... 34.41250 
5867 ....... 34.41875 
5868 ....... 34.42500 
5869 ....... 34.43125 
5870 ....... 34.43750 
5871 ....... 34.44375 
5872 ....... 34.45000 
5873 ....... 34.45625 
5874 ....... 34.46250 
5875 ....... 34.46875 
5876 ....... 34.47500 
5877 ....... 34.48125 
5878 ....... 34.48750 
5879 ....... 34.49375 
5880 ....... 34.50000 
5881 ....... 34.50625 
5882 ....... 34.51250 
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 ....... 34.69375 
5912 ....... 34.70000 
5913 ....... 34.70625 
5914 ....... 34.71250 
5915 ....... 34.71875 
5916 ....... 34.72500 
5917 ....... 34.73125 
5918 ....... 34.73750 
5919 ....... 34.74375 
5920 ....... 34.75000 
5921 ....... 34.75625 
5922 ....... 34.76250 
5923 ....... 34.76875 
5924 ....... 34.77500 
5925 ....... 34.78125 
5926 ....... 34.78750 
5927 ....... 34.79375 
5928 ....... 34.80000 
5929 ....... 34.80625 
5930 ....... 34.81250 
5931 ....... 34.81875 
5932 ....... 34.82500 
5933 ....... 34.83125 
5934 ....... 34.83750 
5935 ....... 34.84375 
5936 ....... 34.85000 
5937 ....... 34.85625 
5938 ....... 34.86250 
5939 ....... 34.86875 
5940 ....... 34.87500 
5941 ....... 34.88125 
5942 ....... 34.88750 
5943 ....... 34.89375 
5944 ....... 34.90000 
5945 ....... 34.90625 
5946 ....... 34.91250 
5947 ....... 34.91875 
5948 ....... 34.92500 
5949 ....... 34.93125 
5950 ....... 34.93750 
5951 ....... 34.94375 
5952 ....... 34.95000 
5953 ....... 34.95625 
5954 ....... 34.96250 
5955 ....... 34.96875 
5956 ....... 34.97500 
5957 ....... 34.98125 
5958 ....... 34.98750 
5959 ....... 34.99375 

5960 ....... 35.00000 
5961 ....... 35.00625 
5962 ....... 35.01250 
5963 ....... 35.01875 
5964 ....... 35.02500 
5965 ....... 35.03125 
5966 ....... 35.03750 
5967 ....... 35.04375 
5968 ....... 35.05000 
5969 ....... 35.05625 
5970 ....... 35.06250 
5971 ....... 35.06875 
5972 ....... 35.07500 
5973 ....... 35.08125 
5974 ....... 35.08750 
5975 ....... 35.09375 
5976 ....... 35.10000 
5977 ....... 35.10625 
5978 ....... 35.11250 
5979 ....... 35.11875 
5980 ....... 35.12500 
5981 ....... 35.13125 
5982 ....... 35.13750 
5983 ....... 35.14375 
5984 ....... 35.15000 
5985 ....... 35.15625 
5986 ....... 35.16250 
5987 ....... 35.16875 
5988 ....... 35.17500 
5989 ....... 35.18125 
5990 ....... 35.18750 
5991 ....... 35.19375 
5992 ....... 35.20000 
5993 ....... 35.20625 
5994 ....... 35.21250 
5995 ....... 35.21875 
5996 ....... 35.22500 
5997 ....... 35.23125 
5998 ....... 35.23750 
5999 ....... 35.24375 
6000 ....... 35.25000 
6001 ....... 35.25625 
6002 ....... 35.26250 
6003 ....... 35.26875 
6004 ....... 35.27500 
6005 ....... 35.28125 
6006 ....... 35.28750 
6007 ....... 35.29375 
6008 ....... 35.30000 
6009 ....... 35.30625 
6010 ....... 35.31250 
6011 ....... 35.31875 
6012 ....... 35.32500 
6013 ....... 35.33125 
6014 ....... 35.33750 
6015 ....... 35.34375 
6016 ....... 35.35000 
6017 ....... 35.35625 
6018 ....... 35.36250 
6019 ....... 35.36875 

6020 ....... 35.37500 
6021 ....... 35.38125 
6022 ....... 35.38750 
6023 ....... 35.39375 
6024 ....... 35.40000 
6025 ....... 35.40625 
6026 ....... 35.41250 
6027 ....... 35.41875 
6028 ....... 35.42500 
6029 ....... 35.43125 
6030 ....... 35.43750 
6031 ....... 35.44375 
6032 ....... 35.45000 
6033 ....... 35.45625 
6034 ....... 35.46250 
6035 ....... 35.46875 
6036 ....... 35.47500 
6037 ....... 35.48125 
6038 ....... 35.48750 
6039 ....... 35.49375 
6040 ....... 35.50000 
6041 ....... 35.50625 
6042 ....... 35.51250 
6043 ....... 35.51875 
6044 ....... 35.52500 
6045 ....... 35.53125 
6046 ....... 35.53750 
6047 ....... 35.54375 
6048 ....... 35.55000 
6049 ....... 35.55625 
6050 ....... 35.56250 
6051 ....... 35.56875 
6052 ....... 35.57500 
6053 ....... 35.58125 
6054 ....... 35.58750 
6055 ....... 35.59375 
6056 ....... 35.60000 
6057 ....... 35.60625 
6058 ....... 35.61250 
6059 ....... 35.61875 
6060 ....... 35.62500 
6061 ....... 35.63125 
6062 ....... 35.63750 
6063 ....... 35.64375 
6064 ....... 35.65000 
6065 ....... 35.65625 
6066 ....... 35.66250 
6067 ....... 35.66875 
6068 ....... 35.67500 
6069 ....... 35.68125 
6070 ....... 35.68750 
6071 ....... 35.69375 
6072 ....... 35.70000 
6073 ....... 35.70625 
6074 ....... 35.71250 
6075 ....... 35.71875 
6076 ....... 35.72500 
6077 ....... 35.73125 
6078 ....... 35.73750 
6079 ....... 35.74375 

Содержание VR-3H

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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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Страница 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...

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Страница 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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