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Xicom AND XT-100 Operation & Installation Manual

Manual is about: ANTENNA-MOUNT TWT POWER AMPLIFIERS

Summary of AND XT-100

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    O peration and i nstallation m anual xt-50, xt-80 and xt-100 a ntenna m ount twt p ower a mplifiers.

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    O peration & i nstallation m anual xt-50, xt-80, and xt-100 a ntenna -m ount twt p ower a mplifiers document no. 802-0111-001 revision e september 2001 3550 bassett street santa clara, ca 95054 phone (408) 213-3000 · fax (408) 213-3001.

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    Notice co pyright 2001 this document contains propriety information which is protected by copyright. All rights are reserved. The information in this document is subject to change without notice. Xicom technology reserves the right to revise this publication and to make changes from time to time in ...

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    Xt-50, xt-80, and xt-100 amplifiers iii t able of c ontents 1. General description ............................................................................................ 1-1 overview ..................................................................................................................

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    Iv xt-50, xt-80, and xt-100 amplifiers 4. Maintenance and service ................................................................................... 4-1 preventative maintenance ................................................................................... 4-1 remove lower deck cover.............

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    Xt-50, xt-80, and xt-100 amplifiers v high voltage hazards this amplifier utilizes high voltage that can be lethal if contacted. The amplifier should not be operated without its cover unless you are thoroughly familiar with its operation and are experienced with high voltage. Rf radiation hazards pr...

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    Xt-50, xt-80, and xt-100 amplifiers general description 1-1 c hapter 1: g eneral d 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 dir...

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    1-2 general description xt-50, xt-80, and xt-100 amplifiers control and status interface the xt-50, xt-80, and xt-100 amplifiers are externally controlled. These amplifiers do not include any control switches or status indicators for operator use. The external control and status indicator interfaces...

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    Xt-50, xt-80, and xt-100 amplifiers general description 1-3 table 1-2 c-band performance specifications parameter xt-50c specifications xt-100c specifications frequency range 5.850 ghz to 6.425 ghz 5.850 ghz to 6.425 ghz output power twt @ amplifier flange 55 watts 50 watts 170 watts 140 watts gain,...

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    1-4 general description xt-50, xt-80, and xt-100 amplifiers table 1-3 x-band performance specifications parameter xt-50x specifications xt-100x specifications frequency range 7.90 ghz to 8.40 ghz 7.90 ghz to 8.40 ghz output power, twt @ amplifier flange 55 watts 50 watts 140 watts 125 watts gain, sm...

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    Xt-50, xt-80, and xt-100 amplifiers general description 1-5 table 1-4 ku-band performance specifications parameter xt-50k xt-80k xt-100k frequency range 14.0 ghz to 14.5 ghz 14.0 ghz to 14.5 ghz 13.75 ghz to 14.5 ghz output power, twt @ amplifier flange 55 watts 50 watts 80 watts 70 watts 125 watts ...

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    1-6 general description xt-50, xt-80, and xt-100 amplifiers table 1-5 environmental specifications, all models parameter specifications non-operating temperature range -50 ° c to + 70 ° c operating temperature range -40 ° c to + 50 ° c humidity up to 100% condensing altitude 10,000 feet msl maximum ...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-1 c hapter 2: i nstallation introduction this chapter describes the procedures for unpacking, inspecting, and installing the xt-50, xt-80, and xt-100 amplifiers. Unpacking and inspection upon receiving the amplifier, inspect both the inside and outs...

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    2-2 installation xt-50, xt-80, and xt-100 amplifiers waveguide connection the rf output waveguide port (c-band and x-band cpr-137g, or ku-band wr-75) is located on the “output end” of the amplifier as shown in figure 2-2. Figure 2-2 . “output end” proceed as follows: 1. Ensure that the proper matchi...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-3 figure 2-3. Typical tightening pattern air ducting the location of the air inlet and exhaust ports were shown in figure 2-1. A minimum clearance of two inches is required for the air inlets and exhaust ports. If the amplifier is mounted in an encl...

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    2-4 installation xt-50, xt-80, and xt-100 amplifiers the amplifier should be securely grounded for personnel and equipment safety. Be certain that the ac voltage cable has three wires where the third wire is a safety ground. Fuses input ac power fuses are 1 3 ” agc type related at 8 amperes. They ar...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-5 control and monitor interfaces the control interface connector (j1) pinouts are shown in figure 2-8. There are five classes of interfaces: • controls • analog signals • digital status • dc bias voltages • external voltage item pin functions contro...

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    2-6 installation xt-50, xt-80, and xt-100 amplifiers control interface there are five control inputs as follows: • ac power on (pin a) . Connect pin a to ground ( pin z ) to enable operation of the twta and turn the twt's heater on. • high voltage on (pin f) . Connect pin f to ground ( pin w ) to tu...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-7 figure 2-9. Internal supply control circuits.

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    2-8 installation xt-50, xt-80, and xt-100 amplifiers figure 2-10. External supply control circuits.

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-9 the control functions shown in figures 2-9 and 2-10 are: ac on control: this circuit inhibits operation of the power amplifier power supply when pin j1-a is high. When pin j1-a is connected to pin j1-z, power supply operation is enabled. Warning: ...

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    2-10 installation xt-50, xt-80, and xt-100 amplifiers •• helix/arc fault latched (pin a) . (active = low) when active, indicates there have been 3 successive helix over current/arc faults within the amplifier and the amplifier is now turned off. Pin a is now shorted by open collector to ground pin w...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-11 •• high voltage fault (pin r) . (active = low) when active indicates there is a high voltage fault within the amplifier when pin r (+) is connected by open collector to ground ( pin w ). Maximum open voltage is 20 volts and maximum switched curre...

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    2-12 installation xt-50, xt-80, and xt-100 amplifiers •• +15 volts (pin 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 external us...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-13 detected power calibration these units incorporate temperature compensated detector diodes. Refer to the chart below to find the backoff reading (in db). Figure 2-13. Detected power calibration standard interconnect cable typically, this cable is...

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    2-14 installation xt-50, xt-80, and xt-100 amplifiers figure 2-13. Interconnect cable a b c d e f g h j k l m n p r s t u v w x y z a b c-h j 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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 connec...

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    Xt-50, xt-80, and xt-100 amplifiers installation 2-15 type pin function return pin** control interfaces (all circuits are active low) 2 3 5 6 high voltage select on control high voltage select off control external interlock* fault reset control 4 4 4 4 pin 4 tied to pin 16 digital status circuits (a...

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    2-16 installation xt-50, xt-80, and xt-100 amplifiers rf connectors rf input connector j3 refer to figure 2-7 for the location of connector j3. This type n (female) connector is the input for the twta. Rf sample connector j4 refer to figure 2-7 for the location of connector j4. This type n (female) ...

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    Series xt-50, xt-80, and xt-100 amplifiers operation 3-1 c hapter 3: o peration general an external control and monitor unit must be used to operate the xt-50 and xt- 100 series amplifiers. Control and status signals are accessed via a 32-pin interface connector (j1). It is recommended that operatin...

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    3-2 operation series xt-50, xt-80, and xt-100 amplifiers in this mode, the twt is ready for high voltage to be applied. The timer complete status line is active (low) and the high voltage on status line in not active (high). High voltage on mode when high voltage is on (applied to the twt) rf input ...

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    Series xt-50, xt-80, and xt-100 amplifiers operation 3-3 clearing faults faults can be cleared in two ways: 1. Cycle high voltage off then on. 2. Momentarily set the fault reset control line low. If the fault condition occurs frequently, maintenance action is required. Control and status signals con...

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    3-4 operation series xt-50, xt-80, and xt-100 amplifiers 2 a twt temperature fault may be caused by: (1) air intake filter clogged, (2) cooling fins clogged, (3) fan failure, or (4) fan power supply failure. • high voltage on . Indicates amplifier's high voltage system status. Status line goes low w...

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    Series xt-50, xt-80, and xt-100 amplifiers operation 3-5 failure to observe any of the following instructions may cause permanent damage to the amplifier and will void the warranty. Pre-power check 1. The prime power voltage needs to be within the specified limits of the amplifier (table 1-6). 2. If...

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    3-6 operation series xt-50, xt-80, and xt-100 amplifiers 2. High voltage off, heater in standby mode . If the twta is to be 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 ...

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    Series xt-50, xt-80, and xt-100 amplifiers maintenance and service 4-1 c hapter 4: m aintenance & s ervice preventative maintenance periodically the exterior of the amplifier should be inspected and cleaned. The inspection should include: 1. The integrity of the mounting bolts. Tighten as necessary....

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    4-2 maintenance and service series xt-50, xt-80, and xt-100 amplifiers return authorization before returning the amplifier, obtain a returned material authorization number (rma) by contacting xicom technology : phone: (408) 213-3000 fax: (408) 213-3001 in all applicable correspondence, please refer ...