1. Manuals
  2. Brands
  3. RF Technology Manuals
  4. Amplifier
  5. Eclipse PA220
  6. Operation and maintenance manual

RF Technology Eclipse PA220 Operation And Maintenance Manual

Eclipse series
Hide thumbs Also See for Eclipse PA220:
Table of Contents

Advertisement

Quick Links

Download this manual
Eclipse Series
RF Technology
rfinfo@rftechnology.com.au
November, 2001
PA220 Amplifier
Operation and Maintenance Manual
This manual is produced by RF Technology Pty Ltd
10/8 Leighton Place, Hornsby 2077 Australia
Copyright © 2001, RF Technology

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Eclipse PA220 and is the answer not in the manual?

Questions and answers

Related Manuals for RF Technology Eclipse PA220

Summary of Contents for RF Technology Eclipse PA220

  • Page 1 Eclipse Series RF Technology rfinfo@rftechnology.com.au November, 2001 PA220 Amplifier Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10/8 Leighton Place, Hornsby 2077 Australia Copyright © 2001, RF Technology...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS Contents Operating Instructions Installation 1.1.1 Sub-rack Wiring Guidelines Front Panel Indicators Internal Adjustments Amplifier I/O Connections 1.4.1 RF Input 1.4.2 RF Output 1.4.3 25 Pin Connector Circuit Description Amplifiers Power Splitter/Combiners Directional Coupler Low Pass Filter Power Control Circuits RF Output Indicator Over Temperature Protection Field Alignment Procedures...
  • Page 3 CONTENTS CONTENTS Engineering Diagrams Block Diagram Circuit Diagrams Component Overlay Diagrams Parts List PA220 (05/9105/0220) RF Technology PA220 Page 3...

  • Page 4: Operating Instructions

    This preset indication level is generally set 1 - 3 dB below the preset output power level. The presetting potentiometer RV2 is not accessible without removal of the cover plate. Page 4 RF Technology PA220...

  • Page 5: Internal Adjustments

    The RF drive is delivered via a BNC connector. The absolute maximum power that should be applied to this connector is 25 Watts. 1.4.2 RF Output The RF output signal is available from an N-type connector. RF Technology PA220 Page 5...

  • Page 6: Pin Connector

    _________________ Excessive powers may be available, for example, in the event of a failure of the ALC loop, such as may arise if the ALC feedback connection is broken. Page 6 RF Technology PA220...

  • Page 7: Power Splitter/Combiners

    RF Source 25 Watt (eg. T220 exciter) 50 Ω , 50/100W, SWR<1.2:1 RF Load / Attenuator RF Power Meter eg. HP437B or calibrated detector and voltmeter Table 2: Standard test equipment for the PA220 Power Amplifier RF Technology PA220 Page 7...

  • Page 8: Rf Output Indicator

    4. Adjust RV1 to set the output power on the meter to the level at which you want the RFO LED to illuminate. 5. Adjust RV2 until the RFO LED just goes out. 6. Adjust RV1 for the desired output power. Page 8 RF Technology PA220...

  • Page 9: Tuning Procedure

    Watts or more, depending on the available input power and the model. Sensing circuits are provided to protect the output transistors from excessive temperature. If the heat sink temperature rises to 80C, the input drive will be reduced to prevent damage. RF Technology PA220 Page 9...

  • Page 10: Physical Configuration

    4 SPECIFICATIONS 4.2 Physical Configuration The power amplifier is designed to fit in an RF Technology sub-rack within a 19" rack frame. The installed height is 4 Rack Units (RU), or 178mm, and the depth is 350mm. The amplifier is 95.25mm or three Eclipse units wide. The amplifier uses an extruded aluminium heat sink with vertical fins.

  • Page 11: Antenna Impedance

    6~dB/Volt, with voltages below 1V producing a minimum of 25~dB attenuation. 4.10 Connectors 4.10.1 RF Input The RF drive is delivered via a BNC connector. The maximum power that should be applied to this connector is 32 Watts. RF Technology PA220 Page 11...

  • Page 12: Rf Output

    A.2 Circuit Diagrams Figure 3 shows the detailed circuit diagram of the amplifier with component numbers and values. A.3 Component Overlay Diagrams Figure 5 shows the PCB overlay guides for the amplifier with component positions. Page 12 RF Technology PA220...
  • Page 13 ENGINEERING DIAGRAMS A.1 wiring and block diagrams Figure 1: The block circuit diagram of the PA220 Amplifier RF Technology PA220 Page 13...
  • Page 14 Wiring and block Diagrams A ENGINEERING DIAGRAMS Figure 2: The chassis wiring diagram of the PA220 Amplifier. Page 14 RF Technology PA220...
  • Page 15 ENGINEERING DIAGRAMS A.2 Circuit Diagrams Figure 4: The component circuit diagram of the power amplifier. RF Technology PA220 Page 15...
  • Page 16 ENGINEERING DIAGRAMS A.3 Component Overlay Diagrams Figure 5: The component overlay diagram of the PA220 amplifier. Page 16 RF Technology PA220...

  • Page 17: Parts List

    45/2680/027P Cap 27pF 2% 100V NPO Rad 45/2680/027P Cap 27pF 2% 100V NPO Rad 45/2680/027P Cap 56pF 5% 250V Mica 48/3002/056P Cap 27pF 2% 100V NPO Rad 45/2680/027P Cap 10nF 10% 50V X7R Rad 46/2001/010P RF Technology PA220 Page 17...
  • Page 18 Resistor 100K 5% .25W Axial 51/1040/100K Resistor 1K 5% .25W Axial 51/1040/01K0 Resistor 47K 5% .25W Axial 51/1040/047K Resistor 100K 5% .25W Axial 51/1040/100K Resistor 1K 5% .25W Axial 51/1040/01K0 Resistor 100R 5% .25W Axial 51/1040/0100 Page 18 RF Technology PA220...
  • Page 19 Screw M3x6 TT PNHD PD BZNK 70/M355/0006 Screw M3x10 TT PNHD PD BZNK 70/M355/0010 Spacer Al 5Dx3L M3 Clear 73/M3SP/0003 Start assembly 12/0005/0075 Connector N type flange mount 35/50NA/0001 Cable coax RG316 35/0030/0316 End of assembly RF Technology PA220 Page 19...
  • Page 20 Pawl latch, DIUS DP109SAC 76/0001/0001 Handle 3.0 76/0002/300B Handle ferrule .156 blk 76/0003/156B Screw 4-40x6 CSK PD BZNK 70/4415/0006 Label, PA Front panel 81/9105/0001 Label, S/W and SMA 81/9100/PA220 Gnd lug M3 Utilux H254 39/M301/H254 Page 20 RF Technology PA220...

Table of Contents