CHT4012A98F

CHT4012a98F RoHS COMPLIANT DC-6GHz 6-BIT DIGITAL ATTENUATOR GaAs Monolithic Microwave IC Description The CHT4012a98F is a DC-6GHz monolithic 6 bit digital attenuator with a LSB = 0.5dB offering a high dynamic range and a high accuracy, the RMS amplitude error is typically as low as 0.3dB. The circuit provides low insertion loss 2.5dB associated to input and output return losses better than 14dB. A CMOS and TTL compatible interface is available on chip. The circuit is mainly dedicated to defence and space systems and is also well suited for a wide range of microwave applications and systems. The circuit is manufactured with a pHEMT process, 0.25µm gate length and electron beam gate lithography. It is available in chip form Main Features ■ Broadband performances: DC-6GHz ■ Insertion Loss (state 0): 2.5dB ■ RMS attenuation error: 0.3dB ■ RMS phase variation: 1deg ■ DC bias: V+=5V and V-=-5V ■ No decoupling capacitance on Input and Output RF accesses ■ Chip size 2.41x1.32...