CPI VZU-6994 Manual 

unit package, digital ready, for wideband, single- and multi-carrier satellite service in the Ku-Band frequency range. Ideal for transportable and fi xed earth station applications where space and prime power are at a premium. Efficient Employs a high effi ciency dual-depressed collector helix traveling ...

or 14.7 to 15.2 GHz Output Power TWT 350W min. (55.44 dBm), all confi gurations; 400W min. (56.02 dBm), 13.75 to 14.5 GHz Flange 275W min. (54.39 dBm), all confi gurations; 340W min. (55.31 dBm), 13.75 to 14.5 GHz Bandwidth 500 to 1750 MHz, depending on confi guratio ...

Palo Alto, CA 94303 USA Tel: +1 (650) 846-3803 Fax: +1 (650) 424-1744 Communications & Power Industries Technical Description Ku-Band Rack-Mount Medium Power Amplifier Model VZU-6994 INTRODUCTION This document provides a detailed technical description of the Communications & Power Industries (CPI) VZU-6994 Series MPA, a Ku-band traveling wa ...

suitable for standard 19-inch rack mounting. This enclosed assembly houses both the RF and power supply sections of the amplifier. The RF section includes the TWT, solid state intermediate power amplifier (IPA), input/output isolation circuits, inp ...

plus air duct adapters, and weighs approximately 60 lbs. The TWT Amplifier can be installed in a 1:1, 1:2 or 1:3 auto switching, or power combined configuration as needed by end user mission. RF Subsystem A conservative field-proven approach is utilized in the CMPA RF subsy ...

power metering circuit which uses a similar detector to process the RF signal. The RF sample port, calibrated in coupling ratio versus frequency, permits independent monitoring of CMPA output power levels through the use of an external spectrum analyzer or portable power me ...

panel access door. Power Processor Module The power processor circuits provide the necessary line and load regulation of the input 375 volt DC bus, which is converted via a switch regulator and bridge circuit to a nominal 200 volt, 21 kHz to drive the high voltage modul ...

displays, and LED indicators on the front panels. All panel indicators are reliable, bright LEDs. When control power is turned on, the microprocessor self-tests all internal functions and starts HTD (Heater Time Delay). Once the HTD is completed, the STANDBY indicator illumina ...

The RF power monitor assembly receives signals from the forward and reflected power RF detectors for use in fault/alarm sensing and forward power metering. The reflected RF fault sensor/recycle circuit protects the TWT against excessive reflected power due to abnormal waveguide or antenna conditions. Additionally, the forward power meter ...

TWTA unless otherwise specified. Electrical Frequency VZU-6994-AC, -AD 13.75 - 14.50 GHz VZU-6994-AB 12.75 to 14.50 GHz VZU-6994-AP 14.7 to 15.2 GHz Output Power •TWT VZU-6994-AC,-AB,-AP 55.44 dBm min. (350 watts) VZU-6994-AD 56.02 dBm min. (400 ...