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Help CenterHMC985ALP4KE GaAs MMIC Voltage - Variable Attenuator, 10 - 40 GHz
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GaAs MMIC Voltage - Variable Attenuator, 10 - 40 GHz
HMC985ALP4KEThe HMC985ALP4KE is an absorptive Voltage Variable Attenuator (VVA) which operates from 10 - 40 GHz and is ideal in designs where an analog DC control signal must be used to control RF signal levels over a 35 dB dynamic range. It features two shunt-type attenuators which are controlled by two analog voltages, Vctl1 and Vctl2. Optimum linearity performance of the attenuator is achieved by first varying Vctl1 of the first attenuation stage from -5V to 0V with Vctl2 fixed at -5V. The control voltage of the second attenuation stage, Vctl2, should then be varied from -5V to 0V with Vctl1 fixed at 0V.
If the Vctl1 and Vctl2 pins are connected together it is possible to achieve the full analog attenuation range with only a small degradation in input IP3 performance. Applications include AGC circuits and temperature compensation of multiple gain stages in microwave point-to-point and VSAT radios.
Applications
Point-to-Point Radio
VSAT Radio
Test Instrumentation
Microwave Sensors
Military, ECM & Radar
Wide Bandwidth: 10 - 40 GHz
Excellent Linearity: +32 dB Input IP3
Wide Attenuation Range: 35 dB
No External Matching
24 Lead 4x4 mm SMT Package: 16 mm
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