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RF Technology Pa50 Eclipse Series, Operation And Maintenance Manual

The RF Technology Pa50 Eclipse Series offers high-performance communication solutions. Ensure proper operation and maintenance with the free Operation and Maintenance Manual available for download at manualshive.com. This comprehensive manual provides all the necessary information to maximize the functionality and efficiency of this cutting-edge technology.

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Page 12 

 

RF Technology PA50 

 

 

B  PA50 PARTS LIST 

 

Ref. 

Description 

Part Number 

 
Q101 

Transistor MRF174 RF Power mosfet 

27/3020/MRF174 

Q102 

Transistor MRF136 RF Power mosfet 

27/3020/MRF136 

Q200 

Transistor MMBT3904 NPN SOT-23 

27/3020/3904 

Q201 

Transistor MMBT3904 NPN SOT-23 

27/3020/3904 

Q202 

Transistor NDT3055 n-ch mosfet SOT-223 

27/3020/3055 

R1 

Resistor 1K2 5% 1206 

51/3380/01K2 

R2 

Resistor 1K2 5% 1206 

51/3380/01K2 

R3 

Resistor 15K 1% 200ppm 0805 

51/8511/015K 

R4 

Resistor 1K2 1% 200ppm 0805 

51/8511/01K2 

R100 

Resistor 470R 1% 200ppm 0805 

51/8511/470R 

R101 

Resistor 470R 1% 200ppm 0805 

51/8511/470R 

R102 

Resistor 470R 1% 200ppm 0805 

51/8511/470R 

R103 

Resistor 470R 1% 200ppm 0805 

51/8511/470R 

R104 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R105 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R106 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R107 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R108 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R109 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R110 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R111 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R112 

Resistor 1R 10% 3W axial wirewound 

51/1053/001R 

R113 

Resistor 0R05 20W T0-220 

51/T220/0R05 

R114 

Resistor 100K 1% 200ppm 0805 

51/8511/100K 

R115 

Resistor 100K 1% 200ppm 0805 

51/8511/100K 

R116 

Resistor 100K 1% 200ppm 0805 

51/8511/100K 

R117 

Resistor 100K 1% 200ppm 0805 

51/8511/100K 

R118 

Not Fitted 

R119 

Resistor 1K5 5% 1W 200ppm 1218 

51/8251/01K5 

R120 

Resistor 100R 5% 1W 200ppm 1218 

51/8251/0100 

R121 

Resistor 100R 5% 1W 200ppm 1218 

51/8251/0100 

R122 

Not Fitted 

R123 

Resistor 1K5 5% 1W 200ppm 1218 

51/8251/01K5 

R124 

Resistor 220R 5% 1W 200ppm 1218 

51/8251/0220 

R125 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R126 

Resistor 100R 20W T0-220 

51/T220/0100 

R127 

Resistor 100R 20W T0-220 

51/T220/0100 

R128 

Resistor 0R05 20W T0-220 

51/T220/0R05 

R129 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R130 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R131 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R132 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R133 

Resistor 150R 5% 1W 200ppm 1218 

51/8251/0150 

R134 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R135 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R136 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R137 

Resistor 15K precision 0.5% 50ppm 0805 

51/85P1/015K 

R138 

Resistor 2R7 10% 3W axial wirewound 

51/1053/02R7 

R200 

Resistor 15K 1% 200ppm 0805 

51/8511/015K 

R201 

Resistor 6K8 1% 200ppm 0805 

51/8511/06K8 

Summary of Contents for Pa50 Eclipse Series

Page 1: ...gy rfinfo rftechnology com au October 2003 Revision 2 PA50 Amplifier Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10 8 Leighton Place Hornsby NSW 2077 Australia Co...

Page 2: ...4 4 I O Connections 4 5 Circuit Description 5 5 1 Driver Stage 5 5 2 Output Stage 5 5 3 Low Pass Filter 5 5 4 Bias Supply 5 5 5 Reflectometer 6 5 6 Metering Circuits 6 6 Specifications 7 6 1 Physical...

Page 3: ...ication and not an alarm condition as the exciter monitors the PA50 temperature at all times in order to keep within safe operating limits 2 Internal Adjustments All internal adjustments are factory s...

Page 4: ...egrees This reading deviates by 10mV per degree of change TP203 Reverse voltage output from the reflectometer TP204 Forward voltage output from the reflectometer DB9 pin 1 GND DB9 pin 2 O P drain curr...

Page 5: ...provide a balanced feed for the push pull output stage 5 2 Output Stage The output stage amplifies the 5 10 W from the driver to in excess of 150 W for final delivery into the low pass filter Q100 an...

Page 6: ...0 provides a DC reference point for the diodes 5 6 Metering Circuits These circuits are included so that the exciter can interrogate the PA and read all the vital operating levels U203 is an A to D co...

Page 7: ...The PA50 is designed to fit into a 19 inch rack mounted frame The installed height is 4RU or 178mm and the depth is 350mm The amplifier is 125mm wide An extruded aluminium heatsink with vertical fins...

Page 8: ...us up to 60 degrees C ambient Spurious Emissions less than 0 25uW Maximum Heatsink Temperature 110 degrees C Mismatch Protection Protected from damage by control from the exciter Connectors Antenna co...

Page 9: ...RF Technology PA50 Page 9 A ENGINEERING DRAWINGS A Engineering Drawings 1 Block Diagram 2 Main PCB Schematics 3 sheets...

Page 10: ...63V NPO 1206 46 3310 01N0 C109 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C110 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C111 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C112 Capacitor 1nF 5 63V NPO 1206...

Page 11: ...10 AV99 D102 Diode BAV99 SOT 23 21 3010 AV99 D103 Diode BAV99 SOT 23 21 3010 AV99 D200 Diode BAV99 SOT 23 21 3010 AV99 D201 Diode BAV99 SOT 23 21 3010 AV99 D202 Diode ZRC400F03 4 096V reference 3 100p...

Page 12: ...stor 1R 10 3W axial wirewound 51 1053 001R R113 Resistor 0R05 20W T0 220 51 T220 0R05 R114 Resistor 100K 1 200ppm 0805 51 8511 100K R115 Resistor 100K 1 200ppm 0805 51 8511 100K R116 Resistor 100K 1 2...

Page 13: ...238 Resistor 100K variable 11 turn 4mm gull wing 53 SMV1 100K R235 Resistor 33R 5 1W 200ppm 1218 51 8251 0033 R236 Resistor 4K7 5 1206 51 3380 04K7 R237 Resistor 4K7 5 1206 51 3380 04K7 R238 Resistor...

Page 14: ...H 7 turns CW 6 35mm ID 37 0635 1507 L3 Inductor 247nH 9 turns CW 6 35mm ID 37 0635 1509 L4 Inductor 247nH 10 turns CW 6 35mm ID 37 0635 1510 L5 Inductor 284nH 10 turns CW 6 35mm ID 37 0635 1510 L6 Ind...

Page 15: ...pF 500V Silver Mica 1210 48 3003 03P9 C13 Capacitor 47pF 1 500V Silver Mica 1210 48 3003 047P C14 Not Fitted C15 Capacitor 18pF 1 500V Silver Mica 1210 48 3003 018P C16 Capacitor 82pF 1 500V Silver Mi...

Page 16: ...6nH Coilcraft Maxispring 37 MAXI 246N L106 Inductor 380nH Coilcraft Maxispring 37 MAXI 380N Front Panel PCB R1 Resistor 100R 5 0 25W axial 51 1040 0100 D1 Diode LED Yellow RA 21 1010 LEDY D2 Diode LED...

Page 17: ......

Page 18: ...lts Rev Volts Driver Bias Q101 Bias Q100 Bias Temperature Compensation Q100 Bias voltmeter Q101 Bias voltmeter Temperature Compensation Driver Drain Current Q101 Bias voltmeter Q100 Bias voltmeter O P...

Page 19: ...26 1K J204 LINK J205 LINK J203 LINK CurrSense DrvSense B1Sense B2Sense PwrSense R211 10K R210 10K R206 10K 5V R224 560R R223 100R S1 S2 S0 S1 S2 S0 S1 S2 S0 S 0 2 Forward Reflected Power Meter Fan Swi...

Page 20: ...ge Output Stage Bias Voltage Measurement Interface Drain Current Meter L100 BEADS C112 1nF C102 100nF C100 100nF C118 10uF R112 1R0 28V R100 470R 5V Drain Current Meter 5V 5V DrvSense Drv DCurr RF UNF...

Page 21: ...Size A3 Date 21 Feb 2002 Sheet of File C Program Files Design Explorer 99 SE rft PA50 ddb Drawn By 1 6 2 7 3 8 4 9 5 J2 DB9 D3 LED D2 LED D1 LED 28V 28V Power LED Over Temperature LED RF Output LED D...

Page 22: ...ut Low Pass Filter C12 see table C25 see table Drv DCurr R1 1 2K R2 1 2K 28V C8 470uF L1 3u3H C6 100nF C7 1nF 28F 28F DrvSense C14 see table C17 see table C20 see table C23 see table C26 see table C24...

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