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Amplifier Research 4000TP4G8 4000 Watt Pulse only, 4 - 8 GHz
	Product Status: New / Refurbished List Price: $135,000 Our Price: Request Quote Rental Price: Request Quote   Download Datasheet
SPECIFICATIONS
The Model 4000TP4G8 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for pulse applications at low to moderate duty factors where instantaneous bandwidth and high gain are required. A reliable TWT provides a conservative 3800 watts minimum peak RF pulse power at the amplifier output connector. Stated power specifications are at the fundamental frequency. POWER (Fundamental), Peak Pulse, @ Output Nominal:   5000 watts Minimum:   3.8 kW from 4–4.5 GHz 4.0 kW from 4.5–7.5 GHz 3.8 kW from 7.5–8.0 GHz FLATNESS:   ±10 dB maximum FREQUENCY RESPONSE:   4-8 GHz INPUT FOR RATED OUTPUT:   1.0 milliwatt maximum GAIN (at maximum setting):   66 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 pulse width foldback protection at peak reflected power exceeding 2000 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. PULSE CAPABILITY Pulse Width:   0.07 – 100 microseconds. Pulse Rate (PRF):   100 kHz maximum Duty Cycle:   4% maximum. RF Rise and Fall:   30 ns max (10% to 90%). Delay:   300 ns maximum from pulse input to RF 90% Pulse Width Distortion:   ±30 ns maximum (50% points of output pulse width compared to 50% points of input pulse width) Pulse Off Isolation:   80 dB minimum, 90 dB typical Pulse Input:   TTL level, 50 ohm nominal termination NOISE POWER DENSITY (pulse on):   Minus 65 dBm/Hz (maximum); Minus 75 dBm/Hz (typical) (pulse off):   Minus 140 dBm/Hz (typical) HARMONIC DISTORTION:   Minus 0 dBc maximum PRIMARY POWER:   See Model Configurations CONNECTORS RF input:   Type N female on rear panel RF output:   Type WRD350 waveguide flange on rear panel RF output forward sample port:   Type N female on rear panel Pulse input:   Type BNC female on rear panel GPIB:   IEEE-488 female on rear panel Interlock:   DB-15 female on rear panel COOLING:   Forced air (self contained fans), air entry and exit in rear.

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