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Differential voltage follower

  • US 5,382,916 A
  • Filed: 10/30/1991
  • Issued: 01/17/1995
  • Est. Priority Date: 10/30/1991
  • Status: Expired due to Term
First Claim
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1. A differential voltage follower, comprising:

  • (a) a first input node connected to a first load;

    (b) a second input node connected to a second load, said second load matched to said first load;

    (c) a first follower with input connected to said first input node and with output connected to a control input of both said first and second loads;

    (d) a second follower with input connected to said second input node and with output connected to an output node;

    (e) wherein said first follower includes a first current mirror and said second follower includes a second current mirror, said first and second current mirrors cross-coupled to tie the currents through said followers.

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