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VICTORIA B.C.

ELECTRONICS LTD.

DANIELS

ELECTRONICS LTD.

DANIELS

3.4 Digital Base Transmitter Module Schematic Diagram

DWG No: xT4DBM1

DATE: 4 MARCH 1999

P25 Digital Base Transmitter Instruction Manual

3-4

VIA RIBB ON CABLE (RB1)

SW1, TP7

R30

P1, Q3

LPF27

LED1

J14, JU14

C17, D20

DWG REV DATE:

BOARD No: 50072-01

DWN BY: PETER CHAN

TITLE: SECURE DIGITAL TRANSMITTER MAIN BOARD SCHEMATIC DIAGRAM

TX PTT OUT*

"PWR"

"TX"

THE THREE DIFFERENT
GROUND CONNECT AT
P1-B30, P1-B32, P1-Z30 &
P1-Z32.

MATES WITH CONTROLLER BOARD 201

MATES WITH
CONTROLLER
BORAD J901

CONTROLLER BOARD
INTERFAEC

MATES WITH CONTROLLER BOARD J401

MATES WITH RF BOARD J1

RF BOARD INTERFACE

TX BANK A*/B

BAL AUDIO 2

BAL AUDIO 1

MIC AUDIO

PTT *

-----

WIRES SOLDERED
FROM RF AMP PCB TO J1

ENCRYPTION
BOARD

MATES WITH
ENCRYPTION BOARD

CLEAR KEYS 2* (I/P)

CLEAR KEYS 1* (I/P)

TX CSEL2

TX CSEL3

TX CSEL0

TX ENC* (I/P)

TX CSEL1

MAIN BOARD

RX RED LED*

KEY TX

NORM

KEY TX

NORM

(SW1 ON FRONT PANEL)

GND

+9.5V

+13.8V

APRVD:

BOARD REV: 1.0

HIGHEST REFERENCE DESIGNATORS

UNUSED REFERENCE DESIGNATORS

-----

LPF

LPF3

LPF

LPF4

LPF

LPF1

LPF

LPF2

TO ALL 13.8V SUPPLY POINTS

TO ALL 9.5V SUPPLY POINTS

9.5V

100nF

1.0uF

C10

100nF

47K5

R11

47K5

R12

100nF

C11

825R0

R20

2N7002LT1

D18

JU4

JU11

JU6

JU5

JU9

U2
MC33172

R7
10K0

Z18

B18

JU3

B10

JU1

D1
BAS16

D2
BAS16

13.8V

D3
BAS16

R6
5K0

R5
604R0

C5
10nF

C2
1.0uF

C1
10uF

JU10

9.5V

U2
MC33172

LPF

LPF5

LPF

LPF7

Vin

Error

Gnd

Vout

Sense

5V Tap

LP2951

15K0

9.5V

82K5

10nF

C13

4.7uF

C14

TO ALL 8.0V SUPPLY POINTS

8.0V

10uF

1.0uF

10K0

R22

R9
5K0

604R0

R13

2N7002LT1

B30

B32

Z30

Z32

JU2

100nF

1.0uF

C12

1K0

R10

SW1
DPDT

SMB

J11

Z10

LPF

LPF6

JU7

JU8

1K0

R23

RF IN

RF OUT

+9.5V

+13.8V

ENA

GND

FOR

REV

MT-3 VHF/UHF AMPLIFIER MODULE

AUDIO

FRONT PANEL
N CONNECTOR

JU13

LED1

9.5V

JU12

D20

LPF

LPF16

D24

D26

B12

Z12

B22

825R0

R21

B24

2N7002LT1

LPF

LPF14

D16

D14

13.8V

10uF

C15

1.0uF

C16

5.0V

1K0

R16

5.0V

BAS16

D19

BAS16

D16

BAS16

D18

1K0

R17

1K0

R19

BAS16

D20

BAS16

D12

BAS16

D11

BAS16

D15

BAS16

D17

LPF

LPF10

LPF

LPF11

LPF

LPF12

LPF

LPF13

BYD17J

LPF

LPF17

LPF

LPF18

LPF

LPF19

LPF

LPF20

LPF

LPF21

LPF

LPF22

LPF

LPF23

LPF

LPF24

LPF

LPF25

LPF

LPF8

LPF

LPF9

D5
BAS16

D6
BAS16

68K1

R14

1K0

R15

1K0

R24

5.0V

BAS16

D14

BAS16

D13

1K0

R18

LPF

LPF26

BAS16

D10

LPF

LPF15

LPF

LPF27

D4
BAS16

0R0

R25

0R0

R26

0R0

R27

0R0

R28

0R0

R29

0R0

R30

J10

100nF

C17

D22

JU14

J10

TP1

TP2

TP3

TP4

TP5

TP6

TP7

J11

UNSW B+

PROG SWITCH

VOL

EMERG

TO ALL +5V

INT PTT*

GRN LED

A/B

B+ SENSE

RED LED

GND

MICROPHONE

MIC1

10 11 12 13 14 15 16 17 18 19 20

J14

10 11 12 13 14 15 16 17 18 19 20

J13

15K0

1.0uF

C18

1K0

MIC_AUDIO

LH_DATA

EXT_MIC

SB9600_BUSY

ENA*

KEY LOAD*

KEY FAIL*

OPTB+/VPP

CTSOUT*

RS232_DATA_OUT

EMERG

8.9V

5.0V

EXT_PTT*

Содержание VT-4B140-00-000

Страница 1: ...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 United States Patent and Trademark Office Issue Preliminary Previous Issue Issue Date July 00 Previous Issue Date Daniels Electronics Lt...

Страница 2: ... Name 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: ...dio Inhibit 2 2 2 2 1 5 Allow Radio Check 2 2 2 2 1 6 Enable Status 2 2 2 2 1 7 Frequency Band 2 2 2 2 2 Channel Wide Settings 2 3 2 2 2 1 Frequency 2 3 2 2 2 2 Voice Signal Type 2 3 2 2 2 3 Squelch Type 2 3 2 2 2 4 CTCSS Tone 2 3 2 2 2 5 Enable Reverse Burst 2 3 2 2 2 6 DCS Code 2 3 2 2 2 7 DCS Invert 2 4 2 2 2 8 Enable Turn Off Code 2 4 2 2 2 9 Transmitter Power 2 4 2 2 2 10 Channel Bandwidth 2 ...

Страница 4: ...Base Transmitter Front Panel 3 1 3 2 MT 4 Transmitter Case Exploded View 3 2 3 3 Digital Base Transmitter Block Diagram 3 3 3 4 Digital Base Transmitter Schematic Diagram 3 4 3 5 Digital Base Transmitter Main Board Component Layout Bottom 3 5 3 6 Digital Base Transmitter Main Board Component Layout Top 3 6 4 PARTS LIST 4 1 4 1 P25 Base Transmitter Main Board Parts List 4 1 4 1 1 P25 Base Transmitt...

Страница 5: ...m 1 2 Manual Organization The organization of this manual reflects the modular makeup of the VT 4 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 ...

Страница 6: ...0F3E or 16K0F3E Frequency Modulation Project 25 8K10F1E System Impedance 50 Ω Type N connector Duty Cycle 100 Continuous operation from 30 C to 60 C Emissions 66 dBw Transmitter Mismatch Protection 20 1 VSWR at all phase angles Operating Temperature Range 30 C to 60 C Operating Humidity 95 RH non condensing at 25 C Operating Voltage 13 8 Vdc Nominal range 11 to 16 Vdc 9 5 Vdc Regulated Transmit Cu...

Страница 7: ... Hum and Noise 45 dB typical 1 4 3 Physical Specifications Physical Dimensions Width Height Depth 7 1 cm 2 8 in 12 8 cm 5 05 in 19 cm 7 5 in Module Weight 1 5 kg 3 3 lbs Corrosion Prevention Anodized aluminum construction Stainless steel hardware Selectively conformal coated glass epoxy 2 and 4 layer printed circuit boards Gold plated module connectors Module Design Compact Eurostandard modular de...

Страница 8: ...al connection made through mated mother board assembly of the repeater subrack Type F standard connector complies with DIN 41612 Level 2 200 mating cycles 4 day 10 ppm SO2 gas test with no functional impairment and no change in contact resistance Digital I O 8 pin RJ 45 Handle Text Colour Red ...

Страница 9: ...rogramming Software A special programming cable is used to connect the serial port of an IBM compatible computer to the Digital I O port on the front panel of the Transmitter module The Radio Programming Software runs under Window 3 1 Windows 95 98 or Windows NT Analog test modes may be selected by the Radio Programming Software as well as test modes specific to Project 25 digital operation such a...

Страница 10: ...rgency Transmissions This option is not currently used 2 2 1 4 Allow Radio Inhibit This setting is not currently used 2 2 1 5 Allow Radio Check This option is not currently used In future repeaters this option will allow a dispatcher to query whether the repeater is switched on or off 2 2 1 6 Enable Status This option is not currently used When the option is enabled it will allow the transmitter t...

Страница 11: ... 2 2 2 3 Squelch Type This option is available for ANALOG signals only and may be set to CSQ CTCSS or DCS With the CSQ option the transmitter will not send either a CTCSS subaudible tone or a DCS code along with the signal being transmitted With the CTCSS option the transmitter will send a subaudible Continuous Tone Coded Squelch System tone along with the audio signal Similarly when the DCS optio...

Страница 12: ...2 5 kHz are supported for Analog channels while Project 25 channels are limited to 12 5 kHz 2 2 2 11 Deviation This is a read only field that shows the maximum amount that the transmitter frequency will deviate This field changes automatically in response to the Channel Bandwidth setting A bandwidth of 25 kHz selects a maximum deviation of 5 kHz while a bandwidth of 12 5 kHz selects a maximum devi...

Страница 13: ...eceiver module to work Menu Path Setting Value Main Change View Config Radio Options Secure Hardware Equipped Yes or no according to whether or not an encryption module is installed in the transmitter Main Change View Config Features Buttons Top Button 16 Pos Rotary Switch Side Button 1 top Side Button 2 Side Button 3 Blank Channel Select Blank Blank Blank Main Change View Config Radio Options Opt...

Страница 14: ...gnment is simplified by using an SR 3 Sub rack SM 3 System Monitor and RF extender cable to provide transmitter 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 the corresponding manuals for details 2 5 1 Controller Board Alignment A Controller Board Alignment is performed at the fact...

Страница 15: ...the 80 Hz tone Now click on the LOW PTT button again to check the deviation If the deviation has changed from the original reading note the new deviation and perform the adjustment at the high frequency again It may require several iterations of 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...

Страница 16: ...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 unreliable transmitter operation or transmitter operation that does not conform to the published specifications The allowable...

Страница 17: ... Solder Jumpers it is recommended to use solder braid in place of manual vacuum type desoldering tools when removing jumpers This will help prevent damage to the circuit boards 2 8 Printed Circuitboard Numbering Convention To ease troubleshooting and maintenance procedures Daniels Electronics Limited has adopted a printed circuitboard PCB numbering convention in which the last two digits of the ci...

Страница 18: ...DEDANIELS ELECTRONICS 2 10 VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual This Page Intentionally Left Blank ...

Страница 19: ... Base Transmitter Front Panel P25 BASE TX TRANSMITTER MODEL IDENTIFIER ON OFF KEY SWITCH TYPE N RF INPUT JACK RJ45 CONNECTOR FACTORY SET OPERATING FREQUENCY MADE IN CANADA VT 4B150 B TRANSMIT LED POWER LED 165 0000 PROG BUS A B MIC RF OUT TX PWR OFF KEY TX NORM FREQUENCY MHz MADE IN CANADA TM xT4DBM1 ...

Страница 20: ...val 1 Remove Screws A four M3x8mm 2 Remove Screws B four M5x8mm 3 Hold Front Panel and Pull Case A A A A B B B B ELECTRONICS DANIELS P25 Digital Base Transmitter Instruction Manual xT4DBM2 3 2 3 2 Digital Base Transmitter Case Exploded View ...

Страница 21: ...NECTOR RJ45 CONNECTOR J3 AUDIO SUMMING AMPLIFIER KEY FAIL OPTB VPP CTSOUT SB9600_BUSY LH_DATA ENABLE B24 P1 PTT OUT KEY LOAD KEY FAIL OPTB VPP CTSOUT B18 P1 PTT WTO EXT PTT PROG SWITCH EMERG A B A0 A1 A2 A3 B22 P1 TX ENC D14 P1 CLEAR KEYS 1 I P B12 P1 TX BANK A B D20 P1 TX CSEL0 D22 P1 TX CSEL1 D24 P1 TX CSEL2 Z12 P1 D16 P1 CLEAR KEYS 2 I P D26 P1 TX CSEL3 5 0 V OUT 5 0 VDC CONTROLLER RF BOARDS IN...

Страница 22: ...10uF C3 1 0uF C4 10K0 R22 R9 5K0 604R0 R13 G D S 2N7002LT1 Q1 B30 B30 P1 B32 B32 P1 Z30 Z30 P1 Z32 Z32 P1 JU2 100nF C8 1 0uF C12 1K0 R10 1 2 3 4 5 6 SW1 DPDT SMB J11 Z10 Z10 P1 LPF LPF6 Z4 Z4 P1 JU7 JU8 1K0 R23 RF IN RF OUT 9 5V 13 8V ENA GND FOR REV OR MT 3 VHF UHF AMPLIFIER MODULE AUDIO IN FRONT PANEL N CONNECTOR U3 JU13 b LED1 a LED1 9 5V JU12 D20 D20 P1 LPF LPF16 D24 D24 P1 D26 D26 P1 B12 B12 ...

Страница 23: ...TTOM COMPONENT LAYOUT DWG No LPF26 C16 C15 10µF 1 0µF J11 Secure Digital Transmitter Board 50072 01 B8 B1 A7 A1 RF BOARD GND 8 9V 1 20 2 LED1 SW1 J5 J4 13 8V ENA 9 5V GND 3 5 3 5 Digital Base Transmitter Main Board Component Layout Bottom DE DANIELS ELECTRONICS P25 Digital Base Transmitter Instruction Manual xT4DBM5 ...

Страница 24: ...3 D8 D7 J6 1 2 20 Installed Jumpers 825R 825R LED1 SW1 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 2N7002LT1 2N7002LT1 2N7002LT1 10K BYJ17J BYJ17J BAS16 BAS16 10K BAS16 BAS16 BAS16 1K 0R 68K1 1K 1K 1K 0R 0R 0R 0R 0R 1K 1K 1K 0R 1 0µF 10µF 1 0µF 10µF 604R 100nF 47K5 47K5 100nF 100nF 5K MC33172 47K5 1 0µF 100nF 4 7µF LP2951 15K 10K 100nF 604R 5K 100nF 1 0µF 1K 10nF ...

Страница 25: ...ER 1206 X7R 1008 5B104K5R D1 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D4 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D5 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D6 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D7 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D8 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D9 DIODE BAS...

Страница 26: ...ER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF20 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF21 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF22 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF23 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF24 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF25 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF26 FILTER SM LPF9 EM1LPF 360pF FER 1306 T36...

Страница 27: ...M JUMPER 1206 1150 0B0R0000 R30 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 SW1 SWITCH TOG DPDT ON OFF ON PC RA TBA U1 IC LP2951 PROG VOLT REG SO 8 2305 29510N08 U2 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 PCB SECURE DIGITAL TRANSMITTER MAIN BOARD 50072 01 TBA 4 1 2 P25 Base Transmitter Mechanical Parts List Description Part No Qty CABLE SMB PL SMB PL RG316 11cm 7910 WP0WP011 1 CASE 14HP RF PLU...

Страница 28: ...812 3M0PP06S 4 SCREW M3 x 8 OVAL C S PHIL A2 5812 3M0VP08S 4 SCREW M5 X 8 FLAT PHIL A2 5812 5M0FP08S 4 SHIELD RF BOARD SEC DIG TX TBA 1 SHIELD CONTROLLER BOARD SEC DIG TX TBA 1 SCREW M2 5 x 3 FLAT PHIL A2 TBA 4 SECURE DIGITAL TX FRONT PANEL TBA 1 SLOTTED STANDOFF 5mmOD 6 5mm L M2 5 TBA 6 STANDOFF 5mmOD 6mm L M2 5 TBA 4 WIRE TFE STRAND 24AWG RED 7121 24S19362 8 CM WIRE TFE STRAND 24AWG BLACK 7121 2...

Страница 29: ...DEDANIELS ELECTRONICS VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual 5 1 5 REVISION HISTORY ISSUE DATE DESCRIPTION AND REASON 1 July 00 Preliminary ...

Страница 30: ...DEDANIELS ELECTRONICS 5 2 VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual This Page Intentionally Left Blank ...

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