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CHT4012-98F - GaAs Monolithic Microwave

General Description

The CHT4012-98F 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.

Key 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 2.41x1.41x0.1mm Frequency : 0.1GHz-6GHz Main Characteristics Tamb. = +25°C Symbol Parameter Freq Frequency range IL Insertion Loss Rms_att_er RMS of attenuation error Rms_phivar RMS of phase variation (0.1 to 6GHz) Min Typ Max Unit DC.

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Datasheet Details

Part number CHT4012-98F
Manufacturer United Monolithic Semiconductors
File Size 747.45 KB
Description GaAs Monolithic Microwave
Datasheet download datasheet CHT4012-98F Datasheet

Full PDF Text Transcription (Reference)

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CHT4012-98F RoHS COMPLIANT DC-6GHz 6-BIT DIGITAL ATTENUATOR GaAs Monolithic Microwave IC Description The CHT4012-98F 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.