HMC712ALP3CE

HMC712ALP3CE is an absorptive Voltage Variable Attenuator (VVA). It features two shunt-type attenuators which are controlled by two analogue voltages, Vctrl1 and Vctrl2. Optimum linearity performance of the attenuator is achieved by first varying Vctrl1 of the 1st attenuation stage from -5V to 0V with Vctrl2 fixed at -5V. Furthermore, if the Vctrl1 and Vctrl2 pins are connected together it is possible to achieve the full analogue 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. Typical application includes test instrumentation, microwave sensors, military, ECM & radar.

• Absorptive topology
• Insertion loss is 2.3dB (typ, 5 to 10GHz, TA = +25°C)
• Attenuation range is 27dB (typ, 5 to 10GHz, TA = +25°C)
• Input return loss is 12dB (typ, TA = +25°C, 50 Ohm system)
• Output return loss is 10dB (typ, TA = +25°C, 50 Ohm system)
• Input power for 1dB compression (any attenuation) is 28dBm (typ, TA = +25°C, 50 Ohm system)
• Input third order intercept (two-tone input power = 10dBm each tone) is 32dBm
• 16 lead LFCSP-EP package, operating temperature range from -40 to +85°C

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