Standard features include:

Built-in IEEE-488 (GPIB) interface
0dBm input
VSWR protection
Gain control
External video pulsing
RF output sample port
Monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature, and cabinet temperature
Input overdrive protection
Modular design of the power supply and RF components accommodate easy access and repair
Switching mode power supply results in significant weight reduction
External video pulsing feature reduces prime power use for pulse applications

Specifications:

Power (fundamental), CW, @ output connector:
Nominal: 242 watts
Minimum: 200 watts
Linear @ 1 dB compression: 50 watts minimum
Flatness: ± 12 dB maximum, equalized for ± 5 dB maximum at rated power
Frequency response: 0.8-2.8 GHz instantaneously
Input for rated output: 1.0 milliwatt maximum
Gain (at maximum setting): 53 dB minimum
Gain adjustment (continuous range): 35 dB minimum
Input impedance: 50 ohms, VSWR 2.5:1 maximum
Output impedance: 50 ohms, VSWR 2.5:1 typical
Mismatch tolerance:
Output power foldback protection at reflected power exceeding 40 watts
Will operate without damage or oscillation with any magnitude and phase of source and load impedance
May oscillate with unshielded open due to coupling to input
Should not be tested with connector off
Modulation capability:
Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal
AM peak envelope power limited to specified power
Video pulse capability:
Pulse width: 0.05 microseconds minimum
Pulse rate (PRF): 100 kHz maximum
RF rise and fall: 30 ns maximum (10% to 90%)
Delay: 300 ns maximum from pulse input to RF90%
Pulse width distortion: ±30 ns maximum (50% points of output pulse width compared to 50% points of input pulse width)
Noise power density:
Pulse on:
Maximum: Minus 72 dBm/Hz
Typical: Minus 77 dBm/Hz
Pulse off:
Typical: Minus 140 dBm/Hz
Harmonic distortion:
Maximum: Minus 3 dBc
Typical: Minus 4.5 dBc
Primary power:
190 – 260VAC
50/60 Hz, single phase
2.5 KVA maximum
Connectors:
RF input: Type N female on rear panel
RF output: Type N female on rear panel
RF output sample port: Type N female on rear panel
GPIB: IEEE-488 (f)
Interlock: DB-15 female on rear panel
Video: BNC-female on rear panel
Cooling: Forced air (self contained fans), airy entry and exit in rear

• Amplifier Research 200T1G3A 800MHz – 2.8GHz 200W Amplifier - (53 KB)