Switched-capacitor variable equalizer

Details Switched-capacitor variable equalizer Switched-capacitor variable equalizer

H - Electricity

04

B

333/28

H04B 3/14 (2006.01)

Patent

CA 1176719

SWITCHED-CAPACITOR VARIABLE EQUALIZER Abstract of the Disclosure An equalizer for loaded telephone lines comprises a switched-capacitor summing amplifier which sums the input to and output from the filter in proportions which vary with the capacitances of two variable capacitors. The variable capacitors are constituted by a plurality of fixed capacitors which are switched to form part of one variable capacitor or the other, so that the sum of the capacitances of the variable capacitors is constant. -i-

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