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Daniels VT-3H035-SWA3, Instruction Manual

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Daniels VT-3H035-SWA3 Instruction Manual Download Page 13

DANIELS

ELECTRONICS LTD.

TM

MT-3 RADIO SYSTEMS

FM TRANSMITTER

MAIN BOARD

INSTRUCTION MANUAL

Covers: Main Board for

UT-3/xxx-xxxx UHF FM Transmitters and
VT-3/xxx-xxxx VHF FM Transmitters

With:

Version 1.8 FM Audio Processor Board or
Version 2.3 FM Audio Processor Board

Copyright © 2003 Daniels Electronics Ltd.  All rights reserved.  No 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.

Printing Date: Apr 2003

Daniels Electronics Ltd.

Issue Date:

Apr 2003

Previous Issue Date:

Nov 98

Victoria, BC

Issue:

4

Previous Issue: 

3

Part No.:

IM20-MT3TXMN

PRINTED IN CANADA

Summary of Contents for VT-3H035-SWA3

Page 1: ...em 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 Electronics Ltd registered in the United States Patent and Trademark Office Issue 1 Rev A Previous Issue 1 Issue Date September 98 Previous Issue Date July 97 Daniels Electronics Ltd Printing Dat...

Page 2: ...ts 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 the informati...

Page 3: ...mplete Transmitter Alignment 2 3 2 3 2 Frequency Change 2 3 2 3 3 Output Power Adjustment 2 4 2 3 4 Deviation Setting 2 5 2 3 5 Setting RF Alarm Thresholds 2 5 2 4 Recommended Test Equipment List 2 5 2 5 Repair Note 2 6 2 6 Printed Circuitboard Numbering Convention 2 6 3 ILLUSTRATIONS 3 1 MT 3 Transmitter Front Panel 3 1 3 2 MT 3 Transmitter Case Exploded View 3 2 4 PARTS LISTS 4 1 5 REVISION HIST...

Page 4: ...ation The organization of this manual reflects the modular makeup of the VT 3 product line Each module is fully described within its respective submanual all of which are contained within this document In general each submanual contains 1 A functional description and specification summary 2 a detailed technical description Theory of Operation and 3 assembly setup and alignment procedures relevent ...

Page 5: ...T 3H040 line of transmitters has a single RF power output rating of 3 0 Watt with wide band FM 20 kHz or 25 kHz channels and employs synthesizer based frequency generation The two basic i e no options added band specific models of the transmitter are as follows VT 3H035 SWA3 29 MHz to 38 MHz VT 3H045 SWA3 38 MHz to 50 MHz The frequency is determined by the model of synthesizer and by the lowpass f...

Page 6: ...ype N connector Duty Cycle 100 Continuous operation from 30 C to 60 C optional 40 C to 60 C Harmonic Emissions More than 90 dB below carrier Spurious Emissions More than 80 dB below carrier Transmitter Mismatch Protection 20 1 VSWR at all phase angles Transmitter Alarm Forward power sense and reverse VSWR open collector output separate or OR ed linear output separate lines only Modulation 16K0F3E ...

Page 7: ...erature Range 30 C to 60 C optional 40 C temperature test Operating Humidity 95 RH non condensing at 25 C Operating Voltage 13 8 Vdc Nominal range 11 to 16 Vdc 9 5 Vdc Regulated Total Transmit Current 0 8 Amp typical 1 2 Amp maximum Front Panel Controls NORM repeat mode OFF and KEY TX Tx on PTT Activation Active to ground with or without time out timer Microphone activated with or without time out...

Page 8: ... with a 1 kHz tone Subtone Audio Input 1 0 5 Vpp at 200 Hz for 500 Hz deviation internally adjustable Subtone Audio Input 1 Frequency range 60 Hz to 300 Hz Subtone Audio Input 2 0 5 Vpp at 100 Hz for 500 Hz deviation internally adjustable Subtone Audio Input 2 Frequency range DC to 150 Hz Direct Modulation Input 0 5 Vrms at 1 kHz or 3 kHz deviation Direct Modulation Frequency range DC to 5 kHz Aud...

Page 9: ...ules 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 conne...

Page 10: ...N OFF SWITCH TYPE N RF OUTPUT JACK SMA REFERENCE INPUT JACK TRANSMIT INDICATOR LED TRANSMITTER MODEL IDENTIFIER FACTORY SET OPERATING FREQUENCY MICROPHONE CONNECTOR TRANSMITTER TX REFERENCE INPUT DANIELS ELECTRONICS LTD OFF NORM KEY TX MIC RF OUT FREQUENCY MHz 33 25000 MADE IN CANADA VT 3H035 SWA3 MADE IN CANADA MADE IN CANADA ORANGE TEXT ...

Page 11: ...DEDANIELS ELECTRONICS 3 2 VT 3H040 VHF Enhanced Transmitter Instruction Manual 3 2 MT 3 Transmitter Case Exploded View 3 FINGER GASKET 2 A A A A B B B B MT3TXM2B ...

Page 12: ...DEDANIELS ELECTRONICS VT 3H040 VHF Enhanced Transmitter Instruction Manual 5 1 5 REVISION HISTORY ISSUE DATE DESCRIPTION AND REASON ...

Page 13: ...eserved No 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 Printing Date Apr 2003 Daniels Electronics Ltd Iss...

Page 14: ...ure 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 ...

Page 15: ...1 4 Channel Selection 2 6 2 1 4 1 Synthesized Transmitter 2 6 2 1 4 2 Crystal Controlled Transmitter 2 7 2 1 5 Amplifier Circuits 2 7 2 1 6 Time Out Timer Circuitry 2 8 2 1 6 1 Optional Time Out Timer on the Audio Processor Board 2 8 2 2 MT 3 Front Panel Board 2 10 2 3 Version 1 8 Audio Processor 2 11 2 3 1 General 2 11 2 3 2 Power Requirements 2 11 2 3 3 Audio Processor Turn on Time 2 12 2 3 4 Au...

Page 16: ...nvention 3 1 3 4 Recommended Test Equipment List 3 2 3 5 Standard Factory Settings and Jumper Configuration 3 2 3 5 1 MT 3 Transmitter Main Board Factory Configuration 3 2 3 6 MT 3 Transmitter Main Board Configuration 3 4 3 6 1 General 3 4 3 6 2 MT 3 Transmitter Main Board Test Points 3 4 3 7 Module Installation and Removal 3 5 3 8 Audio Processor Alignment 3 6 3 8 1 Multiple Channel Transmitters ...

Page 17: ...ic Diagram 8 5 8 5 Front Panel Board Component Layout 8 6 8 6 Front Panel Board Schematic Diagram 8 7 8 7 Version 1 8 Audio Processor Component Layout 8 8 8 8 Version 1 8 Audio Processor Schematic Diagram 8 9 8 9 Version 2 3 Audio Processor Component Layout 8 10 8 10 Version 2 3 Audio Processor Schematic Diagram 8 11 8 11 Optional Time Out Timer Assembly 8 12 9 PARTS LISTS 9 1 9 1 Transmitter Main...

Page 18: ... Table 4 Time Out Timer Settings 2 9 Table 5 MT 3 Audio Processor Current Consumption 2 11 Table 6 Bandwidth Table 2 15 Table 7 Factory Configuration 2 18 Table 8 Turn on Time 2 19 Table 9 Transmitter Main Board Jumpers 3 3 Table 10 Main Board Test Points 3 4 Table 11 Waveform Levels 4 1 Table 12 Interconnection Pin Definitions 6 1 Table 13 Audio Processor Version 1 8 Jumper Settings 7 2 Table 14 ...

Page 19: ... the MT 3 transmitter Power and signal connections are made through the 48 pin type F connector on the rear of the Transmitter Main Board where they are then routed to the other MT 3 modules The front and rear panels are attached to the Transmitter Main Board and together with the extruded aluminum shell form the transmitter enclosure Note LTRTM is a trademark of E F Johnson Co 1 2 Performance Spe...

Page 20: ...l Input level sensitivity 25 dBm to 0 dBm Audio Response Pre emphasis 6 dB per octave 1 0 to 1 0 dB from 500 Hz to 2 5 kHz Flat Audio Response 1 to 1 dB from 300 Hz to 2 5 kHz Audio Deviation Preset to 1 5 kHz Narrow Band or 3 0 kHz Wide Band with a 1 kHz tone capable 2 5 kHz or 5 0 kHz Subtone Audio Input 1 0 5 Vpp at 200 Hz for 500 Hz deviation internally adjustable Subtone Audio Input 1 Frequen...

Page 21: ...Transmitter Main Board Instruction Manual IM20 MT3TXMN 10 1 10 REVISION HISTORY Issue Issued Revised Details ...

Page 22: ...tion 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 Issue 3 Previous Issue 2 Issue Date Feb 03 Previous Issue Date June 97 Daniels Electronics Ltd Printing Date Feb 03 Victoria B C Part No IM20 VT3040AMP PRINTED IN CANADA ...

Page 23: ... Manager 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 ...

Page 24: ...1 3 2 Repair Note 3 1 3 3 Recommended Test Equipment List 3 1 3 4 Printed Circuit Board Numbering Convention 3 2 3 5 Standard Factory Settings and Jumper Configuration 3 2 3 6 VT 3H040 Amplifier Alignment 3 2 3 6 1 General 3 2 3 6 2 VT 3H040 Amplifier Adjustment 3 3 4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS 4 1 4 1 VT 3H040 Output Lowpass Filter Component Layout 4 1 4 2 VT 3H040 Output Lowpass Filter...

Page 25: ...lifier from high antenna VSWR by approximately halving the amplifier s RF gain when a VSWR overload condition is present Output filtering for the VT 3H040 Amplifier is provided by the Output Lowpass Filter Board The Output Lowpass Filter Board is mounted in a separate compartment of the amplifier case in order to provided maximum attenuation of harmonic and other spurious signals Refer to Section ...

Page 26: ...r output separate or OR ed configuration linear output separate lines only Operating Temperature Range 30 C to 60 C optional 40 C to 60 C temp test Operating Humidity 95 RH non condensing at 25 C Operating Voltage 13 8Vdc Nominal range 11 to 16Vdc 9 5Vdc Regulated Amplifier Transmit Current 0 7 Amp typical 1 1 Amp maximum Amplifier Standby Current less than 0 5 mA Amplifier Enable Active to ground...

Page 27: ...DANIELS ELECTRONICS LTD TM VT 3H040 VHF Amplifier Instruction Manual IM20 VT3040AMP 6 1 6 REVISION HISTORY Issue Date Description ...

Page 28: ...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 Document Number Revision Revision Date IM10 OS3AH 5 0 1 Aug 2003 Daniels E...

Page 29: ... or problems to Daniels Electronics Customer Service Department 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 DOCU...

Page 30: ...nformation 5 Alignment 10 Schematics and Illustrations 15 Parts List 21 Enhanced Synthesizer OS R T 3H 128 174 MHz 27 General Information 29 Alignment 34 Schematics and Illustrations 39 Parts List 45 Enhanced Synthesizer OS R T 3H 406 470 MHz 51 General Information 53 Alignment 58 Schematics and Illustrations 63 Parts List 69 Revision History 75 ...

Page 31: ... Band 29 50 MHz VT 3H035 29 38MHz OST 3H035 29 38MHz See Page 3 Enhanced FM Synthesizer OS R T 3H 29 71 4 Mhz VR 3H035 29 38MHz OSR 3H061 50 4 71 4MHz See Page 3 Enhanced FM Synthesizer OS R T 3H 29 71 4 Mhz VT 3H045 38 50MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 128 174 MHz VT 3 140 128 150MHz OST 3H141 128 152 6MHz See Page 27 Enhanced FM Synthesizer OS R T 3H 128 174 Mhz VR 3H140 128 150MHz ...

Page 32: ...anced FM Synthesizer OS R T 3H 29 71 4 Mhz VT 3H045 38 50MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 128 174 MHz VT 3 140 128 150MHz OST 3H141 128 152 6MHz See Page 27 Enhanced FM Synthesizer OS R T 3H 128 174 Mhz VR 3H140 128 150MHz OSR 3H162 150 174MHz See Page 27 Enhanced FM Synthesizer OS R T 3H 128 174 Mhz VT 3 160 150 174MHz OST 3H162 150 174MHz VR 3H160 150 174MHz OSR 3H141 128 152 6MHz UH...

Page 33: ...izer Module is utilized in both the MT 3 Receiver and Transmitter product lines In MT 3 Transmitters the OS R T 3H synthesizer provides a modulated low level RF signal to the Power Amplifier module In MT 3 Receivers the OS R T 3H synthesizer provides a low noise local oscillator LO signal that either directly drives the mixer circuitry or first drives a buffer amplifier which precedes the mixer ci...

Page 34: ...rence Input External reference input signal via SMB connector J1 Input level 0 dBm 3 dB Input impedance 50 Input frequency 10 0 MHz or 9 6 MHz selectable through digital board jumper JU1 Power Requirements Normal Configuration 9 5 Vdc 160 mA Low Current Standby Mode TCXO enabled 9 5 Vdc 14 mA Printed Circuit Board Numbering Convention To expedite troubleshooting and maintenance procedures Daniels ...

Page 35: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 29 71 4 MHz Parts Lists 21 Parts List Analog Board Electrical Parts List Ref Desig Description Part Number ...

Page 36: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH Revision History 75 REVISION HISTORY Revision Date ECO Description ...

Page 37: ...al 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 Document Number Revision Revision Date IM55 CIPM3 5 0 0 Aug 2003 Daniels Electronics Ltd Victoria BC PRINTED IN CANADA ...

Page 38: ...problems to Daniels Electronics Customer Service Department 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 DOCUMENT...

Page 39: ...nctions 23 Motherboard Interface Connector P1 Pin Functions 24 CI PM 3 Data Delay Jumper Settings 26 CI PM 3 Circuit Board Jumpers 27 TS 64 MOD1 Jumper Settings 28 4 Level Modulation Bit Pattern 28 Receiver IF Audio PCB Jumper Settings 29 Transmitter Audio Processor V2 3 Jumper Settings 29 Transmitter Synthesizer Jumper Settings 29 CI PM 3 Test Points 30 Illustrations and Schematics 31 CI PM 3 Fro...

Page 40: ...gital paging formats and can transmit POCSAG and other 2 level modulation schemes at data transfer rates of 512 1200 and 2400 Baud It can also be configured for use as a data repeater whereby 2 level paging data is recovered re shaped and then re transmitted to an additional repeater paging transmitter The CI PM 3 supports 4 level modulation formats at data transfer rates up to 1600 BPS Each of th...

Page 41: ... Continuous 100 from 40 C to 60 C Audio Response 0 Hz to 3 4 kHz Maximum Deviation 50 PPM Analog Digital PTT Activation Front panel connector and rear motherboard connection Current Consumption 13 8 VDC supply 600 mA power 200 mA steady state 9 5 VDC supply 200mA all options enabled 80mA all options disabled 70mA LED indicators off Operating Temperature Range 40 C to 60 C Paging Formats 4 Level Mu...

Page 42: ...Prevention Anodized aluminum construction with stainless steel hardware Selectively applied Conformal coated glass epoxy 4 layer printed circuit boards Gold plated module connectors Module Design Compact Eurostandard modular design Plug in module mates with Daniels standard 19 MT3 repeater subrack Interchangeable for test and repair External Connections REF Input and Output SMA connectors located ...

Page 43: ...Paging Modulator Instruction Manual IM55 CIPM3 5 THEORY OF OPERATION ...

Page 44: ... should be performed only in specifically designed surface mount rework and repair stations complete with electrostatic discharge ESD protection To help prevent damage to the circuit board pads when removing Surface Mount Solder Jumpers it is recommended that solder braid be used in place of manual vacuum de soldering tools ...

Page 45: ...Paging Modulator Instruction Manual IM55 CIPM3 23 CONNECTOR PIN FUNCTIONS AND JUMPER SETTINGS ...

Page 46: ...nvention in which the last two digits of the circuit board number represent the circuit board version All PCB s manufactured by Daniels Electronics Ltd are identified by one of the following numbering conventions PCB number 43 912010 Indicates circuit board version 1 0 PCB number 50002 02 Indicates circuit board version 2 no decimal version ILLUSTRATIONS AND SCHEMATICS ...

Page 47: ...ULY 2003 DWG No B0283 DANIELS ELECTRONICS LTD TM A 1 11 21 2 12 22 3 13 23 4 14 24 5 15 25 6 16 26 7 17 27 8 18 28 9 19 29 10 20 30 1 11 21 2 12 22 3 13 23 4 14 24 5 15 25 6 16 26 7 17 27 8 18 28 9 19 29 10 20 30 1 11 21 2 12 22 3 13 23 4 14 24 5 15 25 6 16 26 7 17 27 8 18 28 9 19 29 10 20 30 SW1 4 MODE SETUP SWITCHES J3 HIGH STABILITY 10 MHZ EXTERNAL REFERENCE INPUT J2 OCXO PHASE LOCKED OUTPUT DA...

Page 48: ...640 BASE TX Daniels MT 3 UHF TX HIGH STABILITY REF 0 002 ppm 2 CI PM 3 Paging Modulator 1 CTCSS Module Discr O P COR Balanced Audio Balanced Audio REF In HIGH STABILITY REF 0 002 ppm 2 LINK RX 1 Daniels MT 3 UHF RX CI PM 3 Paging Modulator 1 CTCSS Module PAGING TX 1 Daniels MT 3 VHF UHF TX Discr O P COR Balanced Audio Balanced Audio REF In HIGH STABILITY REF 0 002 ppm 2 CI PM 3 Paging Modulator 1 ...

Page 49: ...Paging Modulator Instruction Manual IM55 CIPM3 39 Electrical Parts List Ref Desig Description Part Number PARTS LISTS ...

Page 50: ...Paging Modulator Instruction Manual IM55 CIPM3 45 Revision Date ECO Description REVISION HISTORY ...

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