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VT-4R150 VHF Project 25 Digital Transmitter Instruction Manual

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6

PARTS LIST .................................................................................. 6-1
6.1 Digital Repeater Transmitter Main Board Parts List................................. 6-1
6.1.1 Digital Repeater Transmitter Main Board Electrical Parts List .................. 6-1
6.1.2 Digital Repeater Transmitter Main Board Mechanical Parts List................ 6-4
6.2 Digital Repeater Microprocessor Board Parts List .................................. 6-5
6.2.1 Digital Repeater Microprocessor Board Electrical Parts List.................... 6-5
6.2.2 Digital Transmitter Additional PCBs............................................... 6-6

7

REVISION HISTORY ....................................................................... 7-1

MODULE MANUALS

VHF Amplifier Instruction Manual VT-3 132 - 174 MHz............... IM21-VT3150AMP

Содержание VT-4R150

Страница 1: ... 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 United States Patent and Trademark Office Issue 1 Previous Issue N A Issue Date July 2000 Previous Issue Date N A Daniels Electronics Ltd Printing Date July 2000 Vi...

Страница 2: ...ame Signature Date 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 the information contained in this manual ...

Страница 3: ...Select Line Mapping 2 3 2 8 Jumper Functions and standard configuration 2 3 2 9 Hang Timer Selection 2 4 2 10 Kerchunk noise selection 2 5 2 11 Test Points 2 5 2 12 Connector Pinouts 2 6 2 12 1 Connector J9 2 6 2 12 2 Connector P1 2 6 2 13 Transmitter Programming 2 6 2 13 1 Transmitter Wide Options 2 7 2 13 1 1 Frequency Band 2 7 2 13 1 2 Source ID 2 7 2 13 1 3 Secure Hardware Equipped 2 7 2 13 1 ...

Страница 4: ...alance Adjustment 3 3 3 4 5 Transmitter Deviation Limit Adjustment 3 3 3 4 6 Audio Level Alignment 3 3 3 4 7 Amplifier Alignment 3 4 3 5 Recommended Test Equipment List 3 4 3 6 Repair Note 3 4 3 7 Printed Circuit board Numbering Convention 3 5 4 Repeater System Configuration 4 1 4 1 Interim Repeater 4 1 4 1 1 Repeater Interconnect Cable Pinout 4 2 4 2 Project 25 Compliant Repeater 4 2 4 3 Repeater...

Страница 5: ...n Board Electrical Parts List 6 1 6 1 2 Digital Repeater Transmitter Main Board Mechanical Parts List 6 4 6 2 Digital Repeater Microprocessor Board Parts List 6 5 6 2 1 Digital Repeater Microprocessor Board Electrical Parts List 6 5 6 2 2 Digital Transmitter Additional PCBs 6 6 7 REVISION HISTORY 7 1 MODULE MANUALS VHF Amplifier Instruction Manual VT 3 132 174 MHz IM21 VT3150AMP ...

Страница 6: ...nt Project 25 transmitter is present however a firmware upgrade will be required to achieve this capability In its Interim Operation mode the transmitter can accept baseband audio and remodulate it as a FM analog or Project 25 digital signal In a repeater made up of and interim Receiver and Transmitter a voice signal will be repeated in either mode but other Project 25 digital information such as ...

Страница 7: ...er Additional specifications specific to individual modules may be found in their respective sub manuals Type MT 4 Series Transmitter Family VT 4 136 174 MHz Compatibility MT 2 and MT 3 Series Radio Systems Project 25 interoperable Frequency Range 1366 to 150 MHz 150 to 174 MHz RF Power Output 0 5 to 2 0 or 2 0 to 8 0 W Continuous Modulation Analog 11K0F3E or 16K0F3E Frequency Modulation Project 2...

Страница 8: ...hannel Spacing 12 5 kHz or 25 kHz Frequency Stability Standard 2 5 ppm 30 C to 60 C Channel Selection In 5 0 or 6 25 kHz increments selected with Radio Programming Software package Standby Current 100 mA DOC Type Approval TBA FCC Type Acceptance TBA 1 5 2 Audio Specifications Audio Input Unbalanced 600 or 4750 ohm selectable input impedance Audio Response Pre emphasis 6 dB per octave 0 5 to 2 0 dB...

Страница 9: ... 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 transmitter 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 module User connectio...

Страница 10: ...s producing a digitally modulated carrier The Microprocessor board provides an interface between the Digital Signal Processor Board and the user controls such as PTT inputs front panel switches and hang timer selection jumpers It is responsible for generating the optional kerchunk noise which can be added to the audio at the end of a transmission to simulate the burst of noise heard when a traditi...

Страница 11: ...r monitoring all sources of Push To Talk information the Bank Select Input and the Mic Mode front panel switch It generates bank select and PTT signals to the Digital Signal Processor Board the kerchunk audio signal and drives the front panel LEDs to indicate that the transmitter is active in either P25 Digital or Analog mode U6 also monitors the state of the Hang Time select jumpers to determine ...

Страница 12: ...0 ohm input impedance impedance about 15k when out JU5 Out Allows Digital Signal Processor board to turn on LVDS receiver JU6 Out Forces LVDS receiver on JU7 Out Connects LVDS receiver output to Digital Signal Processor board input JU8 Out Connects Digital Signal Processor board output to LVDS transmitter JU9 Out Allows Digital Signal Processor board to turn on LVDS transmitter JU10 Out Enables LV...

Страница 13: ...reen front panel LED JU42 In Allows 68HC11 uP to control yellow front panel LED JU43 In Bit 3 MSB of hang time select JU44 In Bit 2 of hang time select JU45 In Bit 1 of hang time select JU46 In Bit 0 LSB of hang time select JU47 Out Disables kerchunk noise at the end of a transmission JU48 Out No function JU49 Out No function JU50 Out No function 2 9 Hang Timer Selection Hang time is a selectable ...

Страница 14: ...hunk noise is an audible indicator that the repeater was indeed keyed Remove JU47 to enable the kerchunk noise Note that the kerchunk noise is applied only when the radio is keyed by the ANALOG_COR or DIGITAL_COR inputs not from the front panel Mic connector or the PTT signal from the M 3 subrack In addition if the radio is keyed again before the hang time has expired the kerchunk noise will not b...

Страница 15: ...B Input D14 No Connect B14 No Connect Z14 No Connect D16 No Connect B16 No Connect Z16 No Connect D18 No Connect B18 Unbal Audio 2 Input Z18 Unbal Audio 1 input D20 Channel Select 0 LSB B20 No Connect Z20 No Connect D22 Channel Select 1 B22 RS 232 Out Z22 RTS In D24 Channel Select 2 B24 PTT Output Z24 CTS Out D26 Channel Select 3 MSB B26 VSWR Fwd Output Z26 VSWR Rev Output D28 No Connect B28 RS 23...

Страница 16: ... frequency in the band Warning Daniels Transmitters are built differently depending upon the band Therefore you cannot change a transmitter to a different band without a hardware change 2 13 1 2 Source ID This field contains the unique Transmitter Source ID in Hexadecimal There is no need to enter an initial character The default value is 1 The spin button to the right of this field allows you to ...

Страница 17: ...during configuration The channel name will default to the bank and channel number i e A1 for bank A channel 1 2 13 2 2 Frequency The transmitter s frequency may be set here The Radio Programming Software will only allow frequencies within the operation band set in the Transmitter Wide options above to be entered 2 13 2 3 Analog Bandwidth This setting should be changed to match the channel spacing ...

Страница 18: ...e areas NACs achieve these functions by minimizing co channel interference This is done by keeping the receiver squelched unless a signal with a matching NAC arrives The NAC s 12 bit field ranges from 0 to 4095 hexadecimal 0 to FFF The default value is 293 and two values are defined for special functions 1 When a receiver is set for NAC F7E it unsquelches on any incoming NAC 2 If a repeater receiv...

Страница 19: ...S Code This field allows selection of any of 83 DCS tones 2 13 2 14 Analog Signaling Settings Turnoff Code For DCS channels only When this field is set to Enabled each transmission is terminated with a short burst of 138 Hz tone This allows suitably equipped receivers to squelch their audio circuits before the transmitted carrier is dropped giving a silent squelch operation 2 13 2 15 Analog Squelc...

Страница 20: ...test signal may be applied directly to the individual modules Refer to the corresponding manuals for details 3 1 Frequency Change The transmitter is initially aligned at the factory for the frequency stamped on the Factory Set Operating Frequency label see section 3 1 This label should list the frequency at which the last complete transmitter alignment was performed For a small frequency change a ...

Страница 21: ...e and the radio module On the computer side it connects to an RS 232 serial port via a standard nine pin serial cable Another cable connects the Radio Programming Interface Module to the radio to be programmed Once the connections are made the Radio Service Software may be run on the computer and the radio switched on The Radio Service Software must be configured to use the correct serial port on ...

Страница 22: ... this process to get the deviations to match within 2 When the deviations match click on the UPDATE SOFTPOT button to save the setting in the transmitter s non volatile memory Repeat the adjustment process for each of the test frequencies Leave the Transceiver RF Board disconnected from the amplifier module and continue with the next alignment procedure 3 4 5 Transmitter Deviation Limit Adjustment...

Страница 23: ...transmitter s operating frequency is changed When a large frequency change has been programmed into the transmitter the amplifier should be aligned at the new frequency according to the Amplifier Manual 3 5 Recommended Test Equipment List Alignment of the transmitter requires the following test equipment or its equivalent Dual Power Supply Regulated 9 5 Vdc at 2 A Regulated 13 8 Vdc at 2 A Topward...

Страница 24: ...ls Electronics Limited has adopted a printed circuit board PCB numbering convention in which the last two digits of the circuit board number represent the circuit board version For example PCB number 43 912010 indicates circuit board version 1 0 PCB number 50002 02 indicates circuit board version 2 0 All PCB s manufactured by Daniels Electronics are identified by one of the above conventions ...

Страница 25: ...DEDANIELS ELECTRONICS 3 6 VT 4R150 VHF Project 25 Digital Transmitter Instruction Manual This Page Intentionally Left Blank ...

Страница 26: ...R it keys up using one of the 16 channels from Bank B The transmitter has two banks of 16 channels each called Banks A and B In the interim transmitter it is suggested that Bank A is used for analog channels and Bank B is used for digital channels This makes it easy to set up a repeater which re transmits signals in the same mode in which they were received It is possible to program any channel in...

Страница 27: ...ted receiver audio and analog and digital COR signals This can lead to confusion since the transmitter doesn t get any information from the receiver about which frequency or channel number to key up on The transmitter channel is determined by the state of the CSEL0 3 channel select lines and the receiver can only tell it to key on bank A analog or bank B digital Q Why does the transmitter s Analog...

Страница 28: ...o repeater users that they have hit the repeater In Project 25 Digital mode no noise is heard at the end of a transmission due to the all digital nature of the system so an artificial noise is added to serve the same purpose There is a jumper on the transmitter s microprocessor board to disable the kerchunk noise Q Why is the Radio Service Software failing partway through a read or write of the re...

Страница 29: ...DEDANIELS ELECTRONICS 4 4 VT 4R150 VHF Project 25 Digital Transmitter Instruction Manual This Page Intentionally Left Blank ...

Страница 30: ...ANSMITTER TRANSMITTER MODEL IDENTIFIER MICROPHONE MODE SELECTION SWITCH ON OFF KEY SWITCH TYPE N RF INPUT JACK RJ45 CONNECTOR FACTORY SET OPERATING FREQUENCY MADE IN CANADA VT 4R150 B ANALOG TRANSMIT LED DIGITAL TRANSMIT LED 132 0000 ELECTRONICS LTD DANIELS CNTL BUS MIC RF OUT A D ANALOG DIGITAL OFF KEY TX NORM MICMODE FREQUENCY MHz MADE IN CANADA xT4DM1B ...

Страница 31: ...er PCB remove 3 screws G and 3 standoffs 8 To remove Digital RF PCB shield unsolder 4 pins 9 To remove Digital RF PCB remove two screws E and 2 slotted standoffs 10 Assembly is the reverse of steps 1 through 8 A A A A TRANSMITTER 14 HP CASE B B B B TRANSCEIVER RF BOARD SHIELD 4 Pins Soldered to main PCB TX POWER AMPLIFIER D D D D E E DIGITAL SIGNAL PROCESSOR PCB TRANSMITTER FRONT PANEL DIGITAL TRA...

Страница 32: ...ON SIGNAL MODULATION SIGNAL ____ ENA B24 P1 PTT OUT ANALOG LED DIGITAL LED 9 5 VDC J7 13 8 VDC SW2 A D MIC MODE ANALOG DIGITAL MIC MODE 13 8 VDC Z2 B2 TO ALL 13 8 V SUPPLY POINTS MIC CONNECTOR RJ45 CONNECTOR J3 BANK A B MICROPROCESSOR AUDIO SUMMING AMPLIFIER BANK A B CSEL0 CSEL1 CSEL2 P1 D22 D20 P1 D24 P1 BANK SELECT OUT CSEL3 BEEP AUDIO BANK SELECT IN JU44 JU43 JU45 JU46 JU48 JU47 JU49 JU50 JU2 J...

Страница 33: ...7 PC6 AD6 PC5 AD5 PC4 AD4 PC3 AD3 PC2 AD2 PC1 AD1 PC0 AD0 RESET XIRQ IRQ PD5 SS PD4 SCK PD3 MOSI PD2 MISO PD1 TXD PD0 RXD VDD MODB Vstby VRH PE7 AN7 PE6 AN6 PE5 AN5 PE4 AN4 PE3 AN3 PE2 AN2 PE1 AN1 PE0 AN0 PB7 A15 PB6 A14 PB5 A13 PB4 A12 PB3 A11 PB2 A10 PB1 A9 PB0 A8 PA7 OC1 PA6 OC2 PA5 OC3 PA4 OC4 PA3 IC4 PA2 IC1 PA1 IC2 PA0 IC3 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...

Страница 34: ...BOARD THROUGH HOLE LAYOUT BOTTOM DWG N0 8 9V GND REV FOR GND 13 8V 9 5V ENA J2 P1 48 PIN F TYPE TITLE DIGITAL REP TX MAIN BOARD TH DESIGNATIONS BOTTOM DWG N0 ELECTRONICS LTD DANIELS TM 5 5 5 5 Digital Repeater Transmitter Main Board Component Layout Bottom Project 25 Digital Repeater Transmitter Instruction Manual xT4DM5B PRESS NUT x9 PRESS NUT x9 PRESS NUT x9 PRESS NUT x9 PRESS NUT x9 PRESS NUT x...

Страница 35: ...SIGNATIONS TOP J11 20 PIN RIGHT ANGLE HEADER J3 20 PIN RIGHT ANGLE HEADER Installed Jumper Not installed Jumper TITLE DIGITAL REPEATER TX MAIN BOARD SURFACE MOUNT JUMPER TOP TITLE DIGITAL REP TX MAIN BOARD PEM TOP Project 25 Digital Repeater Transmitter Instruction Manual 5 6 Digital Repeater Transmitter Main Board Component Layout Top xT4DM6B ELECTRONICS LTD DANIELS TM 5 6 Digital Signal Processo...

Страница 36: ...OR BD TH DESIGNATIONS BOTTOM DWG N0 DATE DIGITAL RX ADPATER BOARD OUTLINE DATE 22 SEPTEMBER 1998 BOARD No 50061 03 DWG REV DATE 04 OCT 99 VICTORIA B C D DANIELS ELECTRONICS DWG N0 DATE DIGITAL RX ADAPTER BOARD SM LAYOUT DWG N0 XXXXXX DATE DIGITAL RX ADPATER BOARD SM DESIGNATIONS DWG N0 XXXXXX DATE DIGITAL RX ADAPTER BOARD TH DESIGNATIONS ELECTRONICS DANIELS 5 7 Digital Repeater Microprocessor Boar...

Страница 37: ...OP DWG N0 JU50 JU49 JU47 JU38 JU39 JU41 JU42 JU43 JU44 JU45 JU46 JU48 Note JU38 should be removed after U6 is programmed TITLE DIGITAL REP TX MICROPROCESSOR BD SMT JUMPER DESIGN TOP DWG N0 TITLE DIGITAL REP TX MICROPROCESSOR BOARD TH LAYOUT TOP DWG N0 100K0 RP1 JU40 2 PIN RIGHT ANGLE HEADER TITLE DIGITAL REP TX MICROPROCESSOR BD TH DESIGNATIONS TOP DWG N0 ELECTRONICS LTD DANIELS TM Project 25 Digi...

Страница 38: ...V 1008 5A104K5R C20 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C21 CAP SM 10uF TANT 20 35V 1055 6D106K35 C22 CAP SM 1 0uF TANT 20 35V 1055 5B105M35 D1 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 D4 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D9 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 J2 CONN SMB JACK PC MNT STRHT 5122 J20S00BG J3 J4 HEADER 2x10 050 R A Au 5028 GH127E10 J5 HEADER SM 2x10 050 DV W ...

Страница 39: ...F 360pF FER 1306 T361F2D5 LPF31 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF32 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF33 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF34 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF35 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF36 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF37 FILTER SM EM1 LPF 360pF FER 1306 T361F2D5 LPF38 FILTER SM EM1 LPF 360pF FER 1306...

Страница 40: ...0000 R70 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 R71 R72 RES SM 0R0 ZERO OHM JUMPER 0805 1150 0A0R0000 R73 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 R74 RES SM 0R0 ZERO OHM JUMPER 0805 1150 0A0R0000 R75 R83 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 R84 RES SM 0R0 ZERO OHM JUMPER 0805 1150 0A0R0000 R85 R86 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 R87 RES SM 0R0 ZERO OHM JUMPER 08...

Страница 41: ... PB127B15 1 HOUSING CRIMP 4 POS 0 1 PITICH 5021 HF04L002 1 LABEL LEXAN 14HP VHF RED 3536 10111405 1 LOCKWASHER M3 SPLIT A2 STEEL 5814 3M0LK00S 4 MIC CONN 4 PIN MALE BLACK 5040 114ST0BK 1 NAMEPLATE BLANK 14HP ALUM 3702 10001214 1 NUT PRESS M2 5 5 6mmOD PC MNT 5833 T2M55615 13 NUT M2 5 SQUARE 5mm ZINC 5813 2M5SQ50Z 2 PANEL REAR POS 4 14HP EXTRSN 3702 63002101 1 PANEL FRONT W IDENT TX 4R 3802 6100212...

Страница 42: ...CK 8cm 7121 24S19360 1 6 2 Digital Repeater Microprocessor Board Parts List 6 2 1 Digital Repeater Microprocessor Board Electrical Parts List Ref Desig Description Part No C23 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C24 CAP SM 22pF CER 0805 C0G 1008 1A220J1G C25 CAP SM 22pF CER 0805 C0G 1008 1A220J1G C26 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C27 CAP SM 100nF CER 0805 X7R 50V 1008 5A104K5R D5 D8 DI...

Страница 43: ...002FP R33 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R35 RES SM 10K0 0805 1 100ppm 1150 4A1002FP RP1 RES SIP 100K0 2 10PIN 1COM 1160 5B104G10 U1 IC 68HC811E2 MIC CTR PLCC52 2380 68811P52 X1 RESONATOR SM 8 0MHz CERAMIC 1575 8001816A 6 2 2 Digital Transmitter Additional PCBs Ref Desig Description Part No PCB TRANSCEIVER RF MODULE P25 UHG 403 470 MHz A11 XCVR 00 PCB DIGITAL SIGNAL PROCESSOR P25 A57 DSP ...

Страница 44: ...DEDANIELS ELECTRONICS VT 4R150 VHF Project 25 Digital Transmitter Instruction Manual 7 1 7 REVISION HISTORY ISSUE DATE DESCRIPTION AND REASON 1 July 00 First Issue ...

Страница 45: ...DEDANIELS ELECTRONICS 7 2 VT 4R150 VHF Project 25 Digital Transmitter Instruction Manual This Page Intentionally Left Blank ...

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