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DANIELS

ELECTRONICS

VT-3A130 Amplifier Instruction Manual

5-3

Ref
Design

Description

Part No.

AMP, RF,M68721,10W,118-137 MHz

2256-M6872100

IC, LM386 LV AUDIO AMP.,SO-8

2323-386M1N08

IC, LM2588,REG./ADJ,FLBK,T0263

2305-25880263

IC, MC33172 DUAL OP AMP, SO-8

2302-33172N08

IC, LM1084IT,REG./ADJ,5A,T0220

2205-10842203

IC, MC33172 DUAL OP AMP, SO-8

2302-33172N08

XFMR1

TRANSFMR,RF/WB,.075-90MHz,1:16

1288-50B160D0

Содержание VT-3A130

Страница 1: ...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 Electronics Ltd registered in the United States Patent and Trademark Office Issue 4 Previous Issue 3 Issue Date March 2000 Previous Issue Date March 98 Daniels Electronics Ltd Print...

Страница 2: ...e 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: ...nded Test Equipment List 3 2 3 5 VT 3A130 Amplifier Alignment 3 2 3 5 1 General 3 2 3 5 2 VT 3A130 Amplifier Adjustment 3 2 3 5 3 Changing Power Output 3 3 4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS 4 1 4 1 VT 3A130 Amplifier 4 1 4 1 1 VT 3A130 Amplifier Component Layout 4 2 4 1 2 VT 3A130 Amplifier Schematic Diagram 4 3 4 2 VT 3A130 Lowpass Filter 4 5 4 2 1 VT 3A130 Lowpass Filter Component Layout 4 ...

Страница 4: ...DE DANIELS ELECTRONICS iv VT 3A130 Amplifier Instruction Manual This Page Intentionally Left Blank ...

Страница 5: ...Amplifier schematic diagram and section 4 1 3 for the Output Lowpass Filter component layout and schematic diagram 1 2 Performance Specification Type VT 3 series VHF Amplifier module Family VT 3A130 Frequency Range 118 0 MHz to 138 0 MHz RF Power Output 1 0 4 0 Watts adjustable carrier only RF Power Input Nominal level from 5 dBm to 5 dBm System Impedance 50 Ω Spurious and Harmonics Emissions More...

Страница 6: ...Less than 20 ms steady state value Output Power Fall Time 90 10 of Less than 10ms Steady state value Key On Key off Spectral Mask Transients are at least 80 dBc for frequencies 400 kHz from carrier Operating Temperature Range 30 C to 60 C optional 40 C temperature test Operating Humidity 95 Relative Humidity Non condensing at 25 C ...

Страница 7: ...ransmitter frequency output power temperature and supply voltage and can range from 800 mA to 1500 mA The current drawn from the 13 8 Vdc supply should not exceed 1500 mA under normal circumstances and should never be allowed to exceed 1700 mA 2 3 RF Circuitry Refer to Section 4 1 2 VT 3A130 Amplifier Schematic Diagram The RF input signal with a level of 5 dBm to 5 dBm is fed to the VT 3A130 Ampli...

Страница 8: ... Filter The VT 3 150 Output Lowpass Filter is a 50 ohm 6 pole reciprocal filter with a 3 dB cutoff frequency of approximately 150 MHz The low pass filter assembly attenuates the desired signal s harmonics as well as any other out of band emissions so that a clean RF signal is output to the antenna connector 2 4 Power Supply Circuitry The VT 3A130 Amplifier has shutdown circuitry based on Q2 that a...

Страница 9: ...de up of surface mount devices which should not be removed or replaced using an ordinary soldering iron Removal and replacement of surface mount components should be performed only with specifically designed surface mount rework and repair stations complete with ElectroStatic Dissipative ESD protection When removing Surface Mount Solder Jumpers it is recommended to use solder braid in place of man...

Страница 10: ...usly adjustable over its power range of 1 0 to 4 0 Watts 3 5 2 VT 3A130 Amplifier Adjustment 1 Apply power to the amplifier s 13 8 Vdc and 9 5Vdc pins The 9 5 Vdc power supply must be well regulated 2 Connect the amplifier s antenna output connector to the type N input of the radio communications test set through a short section of low loss 50 Ω coaxial cable 3 Turn the two of the adjustment poten...

Страница 11: ...t power 4 Watt 1dB 3 5 3 Changing Power Output The power amplifier s carrier output level can be adjusted from 1 0 to 4 0 watts To change the RF output level follow the procedures described below 1 Apply power to the amplifier s 13 8 Vdc and 9 5Vdc pins The 9 5 Vdc power supply must be well regulated 2 Connect the amplifier s antenna output connector to the type N input of the radio communications...

Страница 12: ...DE DANIELS ELECTRONICS 3 4 VT 3A130 Amplifier Instruction Manual This Page Intentionally Left Blank ...

Страница 13: ...DE DANIELS ELECTRONICS VT 3A130 Amplifier Instruction Manual 4 1 4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS 4 1 VT 3A130 Amplifier This Page Intentionally Left Blank ...

Страница 14: ...C27 4 7µF C26 1nF R18 100k C23 100nF C29 100nF C34 1µF R5 3k01 C6 150pF R29 10k R26 100k R13 10k R3 75k R11 27k4 R25 4k75 C31 100nF R27 30k9 R23 27k4 R32 1k0 R33 2k21 R34 10k0 R31 100R R10 1k82 C13 100nF R7 22R1 C4 10nF R1 1k82 R2 3k01 C11 100nF R8 332R R9 3k01 Q4 NE02139 Q1 NE02139 Q3 NE02139 XFMR1 TTWB R37 22R1 R38 22R1 R39 47R5 R30 56k2 C12 100nF C2 100nF C3 100nF C33 100nF L2 33µH C5 100nF C32...

Страница 15: ...uH 9 5V 75K0 R28 TP2 R25 4K75 R21 1K0 R22 274K0 R23 27K4 R29 10K0 R30 56K2 C4 10nF G D S Q2 VP0610T 1 2 FIL1 LOW PASS FILTER E B C Q1 NE02139 E B C Q3 NE02139 R1 1K82 R2 3K01 R7 22R1 R9 3K01 R10 1K82 R31 100R0 R33 2K21 R34 10K0 E B C Q4 NE02139 9 5V 47uF C10 47uF C20 C11 100nF 1 2 SMB J1 TO ALL 9 5V SUPPLY POINTS 47uF C9 100nF C3 L1 150nH 10nF C14 R11 27K4 1 2 3 4 5 6 7 8 LM386 U2 1 2 3 5K0 R35 10...

Страница 16: ...DE DANIELS ELECTRONICS 4 4 VT 3A130 Amplifier Instruction Manual This Page Intentionally Left Blank ...

Страница 17: ... VT3A130AMPM3A 4 2 2 VT 3A130 Lowpass Filter Schematic Diagram VICTORIA B C ELECTRONICS LTD DANIELS DWG No VT3A130AMPM4A DATE 02 JUNE 1999 TITLE VT 3A130 LOW PASS FILTER DWN BY STAN POLYAKOV L3 C6 BOARD No 50086 01 BOARD REV 01 DWG REV DATE RF INPUT RF OUTPUT HIGHEST REFERENCE DESIGNATORS UNUSED REFERENCE DESIGNATORS APRVD C1 15pF L1 3 0 TURNS C3 30pF C4 30pF L2 4 0 TURNS C5 4 7pF L3 3 0 TURNS C2 ...

Страница 18: ...DE DANIELS ELECTRONICS 4 6 VT 3A130 Amplifier Instruction Manual This Page Intentionally Left Blank ...

Страница 19: ...CER 0805 X7R 50V 1008 3A102K5R C27 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C28 C29 CAP SM 100nF CER 0805 X7R 50V 1008 5A104K5R C30 CAP SM 10uF TANT 20 16V 1055 6C106M16 C31 CAP SM 100nF CER 0805 X7R 50V 1008 5A104K5R C32 CAP SM 330pF CER 0805 C0G 1008 2A331J1G C33 CAP SM 100nF CER 0805 X7R 50V 1008 5A104K5R C34 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C35 CAP 220uF ELECTRO RADIAL 25V 1065 1FD221ML C3...

Страница 20: ...R20 RES SM 221K0 0805 1 100ppm 1150 5A2213FP R21 RES SM 1K0 0805 1 100ppm 1150 3A1001FP R22 RES SM 274K0 0805 1 100ppm 1150 5A2743FP R23 RES SM 27K4 0805 1 100ppm 1150 4A2742FP R24 POT SM 50K0 12T TOP ADJUST 1172 M30503W5 R25 RES SM 4K75 0805 1 100ppm 1150 3A4751FP R26 RES SM 100K0 0805 1 100ppm 1150 5A1003FP R27 RES SM 30K9 0805 1 100ppm 1150 4A3092FP R28 RES SM 75K0 0805 1 100ppm 1150 4A7502FP R...

Страница 21: ...8721 10W 118 137 MHz 2256 M6872100 U2 IC LM386 LV AUDIO AMP SO 8 2323 386M1N08 U3 IC LM2588 REG ADJ FLBK T0263 2305 25880263 U4 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 U5 IC LM1084IT REG ADJ 5A T0220 2205 10842203 U6 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 XFMR1 TRANSFMR RF WB 075 90MHz 1 16 1288 50B160D0 ...

Страница 22: ...CASE MT 3 VHF UHF AMPLIFIER 3702 66102130 1 CAP SCREW 8 32x1 4 HX BUT 9 64 5806 832BH04S 1 CAP SCREW M3x8 HEX SOCK M2 5 5816 3M0SH08S 2 for U1 INSULATOR THERM COND TO 220 5622 1T220701 1 for U5 LID CASE MT 3 AMPLIFIER ALUM 3702 66102151 1 SCREW M2 X 6 PAN PHILLIPS A2 5812 2M0PP06S 2 SCREW M2 5 X 6 PAN PHIL A2 5812 2M5PP06S 5 LPF to case SCREW M3 X 6 FLAT PHIL A2 5812 3M0FP06S 4 connector to case S...

Страница 23: ... 274R now not installed R20 was 274R now not installed R21 was 18R2 now 0R00 PCB was 50048 01 now 50048 02 3 Mar 98 Updated the PCB to make it easier to assemble ECO 551 PCB was 50048 02 now 50048 03 4 Mar 00 Corrected the instruction manual part number on the title page Part number was IM20 VT3A130AMP now IM22 VT3A130AMP The Amplifier is now capable of working over the whole AM Frequency band 118...

Страница 24: ...DE DANIELS ELECTRONICS 6 2 VT 3A130 VHF Amplifier Instruction Manual This Page Intentionally Left Blank ...

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