Varian CPI VZC-6962-D6A

The Varian CPI VZC-6962-D6A is a high-power microwave amplifier tube engineered for demanding operational environments. This traveling wave tube (TWT) component integrates into larger TWTA systems to deliver sustained microwave amplification across demanding applications. The tube architecture supports advanced radar systems, high-capacity communication transmitters, and specialized scientific instrumentation where precision and reliable power output are critical.

– Technical Specifications

• Frequency Band: C-band operation; related CPI models operate across 5.850 to 6.650 GHz. Platform product family spans 2.0 GHz to 8.0 GHz with dedicated Ku-band and X-band configurations available.
• Output Power: High-power classification. Related C-band models deliver 750 Watts minimum (VZC-6967AM) and 700 Watts (VZC-6965), establishing performance benchmarks for this product class.
• Gain: Rated power gain minimum 75 dB, maximum 88 dB. Small-signal gain minimum 78 dB, maximum 90 dB.
• Gain Stability: ±0.25 dB/24 hrs maximum at constant drive and temperature following 30-minute warmup. Temperature-compensated stability ±1.0 dB across operating range at constant drive.
• Small Signal Gain Slope: ±0.02 dB/MHz maximum.
• Gain Variation: 0.5 dB peak-to-peak across 40 MHz bandwidth; 2.5 dB peak-to-peak across 800 MHz bandwidth. With optional linearizer, up to 5.0 dB peak-to-peak across 800 MHz.
• Input VSWR: 1.25:1 maximum.
• Output VSWR: 1.25:1 maximum.
• Load VSWR: 1.5:1 maximum for full specification compliance; 2.0:1 maximum for continuous operation.
• AM/PM Conversion: 2.5°/dB maximum at single carrier, 8 dB below rated power. With integral linearizer option, 1.0°/dB maximum.
• Harmonic Output: -60 dBc minimum for second and third harmonics at rated power.
• Noise and Spurious: Below -130 dBW/4 kHz.

– Key Features

• High-power microwave amplification with excellent gain flatness and stability.
• Optional integral linearizer for reduced AM/PM conversion and improved gain linearity.
• Load mismatch tolerance to 2.0:1 VSWR for continuous operation.

– Typical Applications

• Advanced radar systems requiring sustained high-power output.
• High-capacity communication transmitters.
• Scientific instrumentation demanding precision microwave amplification.

– Compatibility & Integration

The VZC-6962-D6A integrates as a core amplification component within larger traveling wave tube amplifier (TWTA) systems. Input and output impedance matching accommodate standard 50 Ω RF architectures.