Accessory with internal adjustments controlled by host

  • US 6,232,764 B1
  • Filed: 06/12/1998
  • Issued: 05/15/2001
  • Est. Priority Date: 06/12/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for measuring and testing electronic equipment comprising:

  • an accessory comprising a signal path from a signal input to a signal output, variable circuit elements provided in the signal path, the variable circuit elements having variable electrical properties for modifying a signal received at the signal input, and a memory storing data related to a plurality of possible states of said variable circuit elements; and

    a host detachably coupled to the accessory the host comprising a host input coupled to the signal output of the accessory, and a processor programmed to generate and transmit command sequences to the detachable accessory to select a state of the plurality of states of the variable circuit elements of the accessory.

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