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XT-50, XT-80, and XT-100 Amplifiers

General Description

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ESCRIPTION

Overview

This operation manual discusses Xicom Technology antenna-mount power amplifiers with power
levels ranging from 50 Watts to 170 Watts. These antenna-mount units are designed for outdoor
mounting directly to an antenna structure. The standard components of each amplifier include: a
Traveling Wave Tube (TWT), an integral high voltage power supply, and a forced air cooling system.
For a brief product description and typical block diagram, see the table and figure below.

Model Name

Frequency Range

Band

Rated Power @ HPA Flange

XT-50C

5.85 to 6.425 GHz

C-Band

50 Watts

XT-100C

5.85 to 6.425 GHz

C-Band

140 Watts

XT-50X

7.9 to 8.4 GHz

X-Band

50 Watts

XT-100X

7.9 to 8.4 GHz

X-Band

125 Watts

XT-50K

14.0 to 14.5 GHz

Ku-Band

50 Watts

XT-80K

14.0 to 14.5 GHz

Ku-Band

70 Watts

XT-100K

13.75 to 14.5 GHz

Ku-Band

100 Watts

Table 1-1

Models Available

Figure 1-1

TWT Block Diagram

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Содержание XT-50

Страница 1: ...OPERATION AND INSTALLATION MANUAL XT 50 XT 80 AND XT 100 ANTENNA MOUNT TWT POWER AMPLIFIERS...

Страница 2: ...N INSTALLATION MANUAL XT 50 XT 80 AND XT 100 ANTENNA MOUNT TWT POWER AMPLIFIERS Document No 802 0111 001 Revision E September 2001 3550 Bassett Street Santa Clara CA 95054 Phone 408 213 3000 Fax 408 2...

Страница 3: ...or changes Xicom Technology makes no warranty of any kind with regard to this material including but not limited to the implied warranties of fitness for a particular purpose Xicom Technology shall no...

Страница 4: ...roller Connections 2 4 Control and Monitor Interfaces 2 5 Control Interfaces 2 6 Digital Status Circuits 2 9 Analog Status Circuits 2 11 Output Voltage Circuits 2 11 Detected Power Calibration 2 13 St...

Страница 5: ...tion of Controller Interface Connector J1 2 4 2 8 Interface Connector Pinouts 2 5 2 9 Internal Supply Control Circuits 2 7 2 10 External Supply Control Circuits 2 8 2 11 Digital Status Circuit Isolati...

Страница 6: ...ecurely fastened Check that there is no microwave leakage from them Never operate the amplifier with an open waveguide This amplifier is capable of generating high power microwave radiation which can...

Страница 7: ...veling Wave Tube TWT an integral high voltage power supply and a forced air cooling system For a brief product description and typical block diagram see the table and figure below Model Name Frequency...

Страница 8: ...es or status indicators for operator use The external control and status indicator interfaces are detailed in Chapter 2 of this manual Performance Specifications The performance specifications of the...

Страница 9: ...O EQUAL SIGNALS 18 dBc maximum with two equal carriers at 4 dB total output backoff 18 dBc maximum with two equal carriers at 4 dB total output backoff HARMONIC OUTPUT Maximum 60 dBc 60 dBc AM TO PM C...

Страница 10: ...H TWO EQUAL SIGNALS 18 dBc maximum with two equal carriers at 4 dB total output backoff 18 dBc maximum with two equal carriers at 4 dB total output backoff HARMONIC OUTPUT Maximum 60 dBc 60 dBc AM TO...

Страница 11: ...total output backoff 18 dBc maximum with two equal carriers at 4 dB total output backoff HARMONIC OUTPUT Maximum 60 dBc 60 dBc 60 dBc AM TO PM CONVERSION Maximum 2 5 dB at 6 dB below rated power 2 5 d...

Страница 12: ...0 maximum value XT 80 maximum value XT 100 maximum value 400 VA Maximum 95 Minimum Power Factor 525 VA Maximum 95 Minimum Power Factor 675 VA Maximum 96 Minimum Power Factor CONTROLS High Voltage ON O...

Страница 13: ...received Save all data sheets They will be useful during any maintenance actions Save the packing material and use it if you need to reship the unit Inspect all items for any damage received during s...

Страница 14: ...an 5 psi a waveguide window must be installed at the output flange of the amplifier 5 Install and hand tighten all mounting screws 6 32 for Ku Band and 10 32 for C Band and X Band Do not overtighten t...

Страница 15: ...ust port of the amplifier and one that has smooth bends and transitions Prime Power Connections The location of the prime power input connector is shown in Figure 2 4 WHEN THE CONTROLLER IS DISCONNECT...

Страница 16: ...e replaceable through the screw on sealing caps next to the prime power connector Figure 2 6 Location of Fuses Controller Connections Connector J1 Figure 2 6 on the Input End of the amplifier connects...

Страница 17: ...eater Standby Fault Reset AC Command Return Status Digital Indicators All circuits active low A C G H K M R S T U W Helix Arc Fault Latched Helix Arc Fault Heater Timer Complete TWT Temperature Fault...

Страница 18: ...T06E 18 32P 1 Connect Pin a to Pin Z 2 Connect Pin F to Pin W 3 Connect Pin E to Pin Y With these connections the amplifier will be operational within 3 minutes of applying AC Power If the amplifier h...

Страница 19: ...XT 50 XT 80 and XT 100 Amplifiers Installation 2 7 Figure 2 9 Internal Supply Control Circuits...

Страница 20: ...2 8 Installation XT 50 XT 80 and XT 100 Amplifiers Figure 2 10 External Supply Control Circuits...

Страница 21: ...ese circuits are isolated from the internal circuits of the power amplifier The operation of all three control circuits is the same When pins F J or X are pulled to the power amplifier ground pin J1 W...

Страница 22: ...switch is an isolated photo coupler TWT Temperature Fault Pin H Active low When active indicates there is a TWT Temperature fault within the amplifier when Pin H is connected by open collector to gro...

Страница 23: ...d current is 3 mA The switch is an isolated photo coupler Fan Lock Pin U Active low When active indicates that the fan is locked when Pin U is connected by open collector to ground Pin W Maximum open...

Страница 24: ...E Fifteen volts DC at 100 mA is available for external use or for powering the pull up resistors for the control and status signals Pin Y 24 Volts Pin V Twenty four volts DC at 100 mA is available for...

Страница 25: ...111D or XTC 122D The standard interconnect cable is XICOM Technology Part Number 350 0017 XXX Refer to Figure 2 13 The XXX portion of the part number designates the length of the cable in feet Connec...

Страница 26: ...16 17 18 19 20 21 22 23 24 25 CONNECTOR PTO6E 18 32P SR X DASH NO 100 X DIM 100 FEET NOTE GROUND SHIELD TO CONNECTORS WHT BLU WHT GRN WHT RED WHT BLK BLK WHT GRN BLK RED WHT BLK WHT RED RED WHT BLK G...

Страница 27: ...icator Summary Fault Indicator High Voltage Select ON Indicator Standby Status Indicator FTD Filament Time Delay Remote Local Indicator 7 22 24 9 11 13 Pins 7 9 11 and 22 tied together May be intercha...

Страница 28: ...ple Connector J4 Refer to Figure 2 7 for the location of connector J4 This Type N Female Connector is connected to a probe in the output waveguide assembly of the TWTA RF Output Waveguide Flange J5 Th...

Страница 29: ...he Timer Complete status line will not be active When the heater delay is complete the Timer Complete status line will go active low If there is a power failure the high voltage will be kept off for a...

Страница 30: ...ault circuit latches the Fault Reset control line must be activated briefly or the High Voltage ON control deactivated to clear the fault High Voltage Fault The high voltage fault circuit will latch i...

Страница 31: ...Heater Standby command and returns the TWT s heater voltage to its normal operating value Fault Reset This control signal resets the High Voltage fault and Helix Current fault reset control line mome...

Страница 32: ...is is not a fault condition The fan is expected to operate on high during elevated ambient temperature conditions Summary Fault Indicates there is a fault within the amplifier Status line goes low whe...

Страница 33: ...point EXCEEDING THE INPUT POWER LIMIT WILL CAUSE A HELIX CURRENT FAULT AND MAY PERMANENTLY DAMAGE THE TWT Turn On Sequence The pin numbers referenced in this section apply to connector J1 the interfac...

Страница 34: ...shut down for a few hours and quick turn ON is required disconnect Pin F from Pin w and connect Pin J to Pin W This places the TWTA is heater standby mode 3 TWTA OFF If the TWTA is to be shut down for...

Страница 35: ...nvironment and at least annually the Lower Deck Cover should be removed per the procedure presented later in this chapter Inspect the cooling fins for accumulated dirt and debris Use high pressure air...

Страница 36: ...the following shipping address for all returned products XICOM TECHNOLOGY 3550 Bassett Street Santa Clara CA 95054 RMA ___________________ Re Shipment It is best to reship the amplifier in its origin...

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