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Test and Measurement Channel

Digital Programmable Attenuator

January 17, 2011
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AMC_pic5American Microwave Corp. announces its latest product development. AMC Model Number APD3-0080G-0180G-111A is an 8 to 18 GHz phase invariant digital programmable attenuator. A double balanced arrangement of quadrature couplers and pin diodes gives phase invariant attenuation.

It has an attenuation range of 32 dB, insertion loss of <5.5 dB, VSWR of 2.0:1. Attenuation accuracy of ±0.5 dB, flatness of ±0.8 dB from 0 to 20 dB and ±1.0 dB from 20 to 32 dB. Switching speed is <350 nSec. It has an 8 bit TTL control. Power supply is +8 TO +12VDC @200 mA max. Size is 2.5” (L) X 2.0” (W) X 0.5” (H).

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