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CHT3029-99F a new attenuator

The CHT3029-99F is a wide band DC-35GHz 4 bit attenuator.


This circuit exhibits a high dynamic range of 15dB (1dB step) across the whole frequency band combined with a low amplitude error of 0.2dB RMS.


The CHT3029-99F has a low insertion loss of 4.5dB with better than 12dB input and output return losses. A CMOS and TTL compatible interface is available on the chip.


It is designed for a wide range of applications from Defense to commercial communication systems.


Main features:

Frequency range: DC-35GHz
Insertion loss: 4.5dB
RMS attenuation error:  0.2dB
Peak attenuation error: +0.5dB
Return Losses: 12dB
Dynamic:  15dB
DC Bias:



This product is manufactured on a .25µm gate length GaAs pHEMT process.




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