The HMC939ALP4E from Analog Devices is 5-Bit digital attenuator that operates from 0.1 to 33 GHz. It has an attenuation range of 31 dB with an attenuation accuracy of +/-0.4 dB. The attenuator bit values are 1 dB (LSB), 2 dB, 4 dB, 8 dB, 16 dB for a total attenuation of 31 dB. It has an insertion loss under 5 dB and an input IP3 of 43 dBm. The attenuator uses five control voltage inputs between +5V and 0 V, to select each attenuation state. It is available in a 16 mm2 leadlesss SMT plastic package and is ideal for sensors, space applications and military radios, radar and ECM.
