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US 2006/0001490 A1Published application
Differential dual port current conveyor circuit
AssigneeIntel Corporation
InventorHongjiang Song
Life of this patent
Estimating the term…
Abstract
A method and apparatus to provide a reconfigurable differential dual port current conveyor circuit are described.
Claims24
A current conveyor circuit, comprising:
- a first low impedance input to receive a first input control signal;
- an output having a high impedance to supply an output current signal proportional to said first input control signal;
- a first transistor having an input to receive said first input control signal and having a first differential output to supply a first differential current signal to said first differential output;
- a second low impedance input to receive a second input control signal, said control signal having an opposite sign with respect to said first input control signal;
- and
- a second transistor having an input to receive said second input control signal and having a second differential output to supply a second differential current signal to said second differential output, said second differential current signal having an opposite sign with respect to said first differential current signal.
3 more elements
A system, comprising:
- a first and second low impedance inputs for receiving first and second input, control signals;
- a first, second, third and fourth high impedance outputs to supply output current signals proportional to said input control signals, said first high impedance output supplying an output current signal opposite in sign with respect to said output current signal supplied by said second high impedance output, said third high impedance output supplying an output current signal opposite in sign with respect to said output current signal supplied by said fourth high impedance output;
- a first, second, third and fourth voltage output terminals to supply output voltage signals;
- a first and second resistors, said first resistor operatively coupled with said first and second voltage output terminals, said second resistor operatively coupled between third and fourth voltage output terminals;
- and
- a third and fourth resistors, said third resistor operatively coupled with said output of said first and fourth current outputs, said fourth resistor operatively coupled with said second and third current outputs.
3 more elements
A system, comprising:
- a first low impedance input to receive a first input control signal;
- an output having a high impedance to supply an output current signal proportional to said first input control signal;
- a first transistor having an input to receive said first input control signal and having a first differential output to supply a first differential current signal to said first differential output;
- a second low impedance input to receive a second input control signal, said control signal having an opposite sign with respect to said first input control signal;
- a second transistor having an input to receive said second input control signal and having a second differential output to supply a second differential current signal to said second differential output, said second differential current signal having an opposite sign with respect to said first differential current signal;
- and
- a first output voltage terminal and a second output voltage terminal, with said first and second output voltage terminals coupled to a first resistor.
4 more elements
A current conveyor circuit, comprising:
- a high impedance input to receive a first input control signal;
- an output having a high impedance to supply an output current signal proportional to said first input control signal;
- a first transistor having an input to receive said first input control signal and having a first differential output to supply a first differential current signal to said first differential output;
- a low impedance input to receive a second input control signal, said control signal having an opposite sign with respect to said first input control signal;
- and
- a second transistor having an input to receive said second input control signal and having a second differential output to supply a second differential current signal to said second differential output, said second differential current signal having an opposite sign with respect to said first differential current signal.
3 more elements
Dependencies are inferred from the claim text.