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RF Technology PA70                                                                                     Page 12 

 

  

 

 

 

 

 

 

 

PA70 PARTS LIST 

 

R1 

 

RES 220 5% 0.25W SM1206 

 

 

 

51/3380/0220R 

R2 

 

RES 220 5% 0.25W SM1206 

 

 

 

51/3380/0220R 

R3 

 

RES 220 5% 0.25W SM1206 

 

 

 

51/3380/0220R 

R4 

 

RES 220 5% 0.25W SM1206 

 

 

 

51/3380/0220R 

R5 

 

RES 47K 5% 0.25W AXIAL 

 

 

 

51/1040/047K 

R6 

 

RES 100K 5% 0.25W AXIAL 

 

 

 

51/1040/100K 

R7 

 

RES 1K0 5% 0.25W AXIAL 

 

 

 

51/1040/01K0 

R8 

 

RES 47K 5% 0.25W AXIAL 

 

 

 

51/1040/047K 

R9 

 

RES 100K 5% 0.25W AXIAL 

 

 

 

51/1040/100K 

R10 

 

RES 1K0 5% 0.25W AXIAL 

 

 

 

51/1040/01K0 

R11 

 

RES 100 5% 0.25W AXIAL 

 

 

 

51/1040/0100R 

R12 

 

RES 1M0 5% 0.25W AXIAL 

 

 

 

51/1040/01M0 

R13 

 

RES 100K 5% 0.25W AXIAL 

 

 

 

51/1040/100K 

R14 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R15 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R16 

 

RES 2K2 5% 0.25W AXIAL 

 

 

 

51/1040/02K2 

R17 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R18 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/101K 

R19 

 

RES 10R 5% 0.25W AXIAL 

 

 

 

51/1010/0010 

R21 

 

RES 0.1R 5% 10W ASW 10 

 

 

 

51/0010/00R1 

R23 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R24 

 

RES 270R 5% 0.25W AXIAL 

 

 

 

51/1040/0270 

R25 

 

RES 270R 5% 0.25W AXIAL 

 

 

 

51/1040/0270 

R26 

 

RES 680R 5% 0.25W AXIAL 

 

 

 

51/1040/0680 

R27 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R28 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R29 

 

RES 10K 5% 0.25W AXIAL 

 

 

 

51/1040/010K 

R30 

 

RES 47K 5% 0.25W AXIAL 

 

 

 

51/1040/047K 

R31 

 

RES 33K 5% 0.25W AXIAL 

 

 

 

51/1040/033K 

R32 

 

RES 33K 5% 0.25W AXIAL 

 

 

 

51/1040/033K 

R34 

 

RES 47R 5% 2W AXIAL   

 

 

 

51/1052/0047 

R35 

 

RES 47R 5% 2W AXIAL   

 

 

 

51/1052/0047 

R36 

 

RES 4R7 5% 2W AXIAL   

 

 

 

51/1052/04R7 

R37 

 

RES 2R2 5% 0.25W AXIAL 

 

 

 

51/1040/02R2 

R38 

 

RES 47R 5% 2W AXIAL   

 

 

 

51/1052/0047 

R50 (P2)   

RES 100 5% 0.25W AXIAL 

 

 

 

51/1040/0100 

RT1 

 

THERMISTOR   

 

 

 

 

54/0400/0080 

RV1 

 

TRIMPOT 10K 1 TURN VERT 

 

 

 

53/1020/010K 

RV2 

 

TRIMPOT 10K 1 TURN VERT 

 

 

 

53/1020/010K 

U1 

 

IC VOLT REG 78LO8 TO92M 

 

 

 

25/2040/78LO8 

U2 

 

IC QUAD OP AMP TLC274 

 

 

 

25/2050/274C 

 

PA70 LED Board Parts 

 

D1 

 

DIODE LED GREEN T1 3/4 

 

 

 

21/1010/LEDG 

D2 

 

DIODE LED YELLOW T1 3/4 

 

 

 

21/1010/LEDY 

D3 

 

DIODE LED RED T1 3/4   

 

 

 

21/1010/LEDR 

 
 
 
 
 
 

 

 
 

 

Summary of Contents for Eclipse PA70

Page 1: ...hnology rfinfo rftechnology com au January 2004 PA70 Amplifier Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10 8 Leighton Place Hornsby NSW 2077 Australia Copyrigh...

Page 2: ...lignment Procedure 6 3 1 Standard Test Conditions 6 4 Specifications 8 4 1 Description 8 4 2 Physical Configuration 8 5 Front Indicators and Test Points 9 5 1 Indicators 9 5 2 Test Points 9 6 Electric...

Page 3: ...tomatically reduced if the output transistors temperature rises above safe limits 1 2 Internal Adjustments All internal adjustments are factory set and should not need re adjustment unless the operati...

Page 4: ...PA70 Amplifier I O Connections 25 Pin Connector Function Signal Pins Specification DC Power 12 Vdc 0 Vdc 1 2 14 15 12 13 24 25 11 4 to 16 Vdc ALC Output 8 Approx 7 Vdc decreasing with increasing power...

Page 5: ...n 80dBc The filter uses a combination of lumped elements and printed microstrips to obtain the required harmonic attenuation 2 4 Power Control Circuits The forward and reverse voltages from the direct...

Page 6: ...cedure may be used to align the amplifier for optimum performance 3 1 Standard Test Conditions RF Input Source T70 series transmitter set for 10 Watts maximum output The ALC output from the PA70 must...

Page 7: ...21 and C22 for maximum output power 5 As above Refl Pwr 0 Output 70W Repeat 3 and 4 until no further improvement is obtained 6 As above Output power from the PA70 Key the transmitter and adjust RV2 to...

Page 8: ...ion is provided by connecting the output of the directional coupler to the ALC input of the T70 The drive from the transmitter module is then automatically adjusted to maintain the required output The...

Page 9: ...dc pin 5 6 Electrical Specifications 6 1 Power Requirements Operating Voltage 10 5 to 16 Vdc with output power reduced below 12 5 Vdc Current Drain 13 2 Vdc 10 Amps Max at 70 Watts 100 mA Max standby...

Page 10: ...for connection to the T70 It supplies a voltage which decreases with increasing power or temperature 6 9 Mis Match Protection The amplifier is protected from damage when operating into a VSWR of 5 1...

Page 11: ...P 500V MICA SM1210 48 3003 020P C51 CAP 27P 5 NPO SM1206 46 3300 027P C52 CAP 27P 5 NPO SM1206 46 3300 027P C53 CAP 1NO 5 63V NPO SM1206 46 3300 01N0 C54 CAP 1NO 5 63V NPO SM1206 46 3300 01N0 C55 CAP...

Page 12: ...RES 10R 5 0 25W AXIAL 51 1010 0010 R21 RES 0 1R 5 10W ASW 10 51 0010 00R1 R23 RES 10K 5 0 25W AXIAL 51 1040 010K R24 RES 270R 5 0 25W AXIAL 51 1040 0270 R25 RES 270R 5 0 25W AXIAL 51 1040 0270 R26 RE...

Page 13: ......

Page 14: ...PWR OV E R T E MP I cB I cA 0V RF DE T I NPU T OU T PU T 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1 P5 CONNE CT OR DB 25 J3 J1 P1 J2 P2 P3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Page 15: ......

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