MAN-70007, Rev B, 02-20-2016
Page
15
of
31
PowerMax Innovation Inc.
1243 Reamwood Ave.,
Sunnyvale, CA 94089
Tel.: 408-541-0888; Fax. 408-541-1886
4.4 GENERAL SPECIFICATIONS
The specifications listed below represent the minimum performance characteristics at the time of delivery.
SPECIFICATIONS
Frequency
2-8GHz
Output Power
200W CW min.
250W CW Typical in midband
Input Drive
≤ 0dBm
Gain @ Rated power
54.0 dB
Input Impedance
50 Ohms nominal
Output Impedance
50 Ohms nominal
Spurious
-50dBc max.
Harmonics
2-3GHz: 0 to -4dBc;
3-6GHz: -4 to -8dBc;
6-8GHz: -8 to -15dBc
Noise Factor
35dBm
Prime Power
220Vac, 50/60Hz, 3 Phase, 5 wires
Power Consumption
3KVA max.
4.5 Functional Description
The required voltages and currents to operate the TWT are provided by the Helix, Collector and Heater
supplies. The Helix supply provides the negative high voltage potential between TWT Cathode and
ground. The Collector supply provides the high voltage potential between the TWT Cathode and
Collector. The Heater supply provides the Heater voltage and floats at high voltage Cathode potential.
The primary control circuitry and the service power supplies (+5V, +/- 12V, + 48V [Fans]) are energize
when the main circuit breaker is turned ON. Upon pressing the AMP ON switch, the Heater & Bias
supplies are energize and a three minutes warm up time is initiated. At the completion of the three
minutes time out the HV supplies applied to the TWT then the Amplifier goes to STBY mode if no faults
were detected . Upon pressing the RF ON switch the Grid voltage is applied to the TWT Grid with
Positive voltage which turns the Beam ON.
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