Signal transmission amplifier circuit
View Patent ↗A signal transmission amplifier circuit has a transmission gate with an input coupled to an input signal. A cross coupled latch is coupled to an output of the transmission gate and has a signal output. A reference generating circuit is coupled to the cross coupled latch.
1. A signal transmission amplifier circuit, comprising:
a transmission gate having an input coupled to an input signal;
a cross coupled latch coupled to an output of the transmission gate and having a signal output; and
a reference generating circuit having an output coupled to provide a reference signal to the cross coupled latch through a second transmission gate, wherein the reference generating circuit includes a latch coupled to a Schmitt trigger.
2. The circuit of claim 1 , further including a strobe signal coupled to the transmission gate.
3. The circuit of claim 2 , wherein the strobe signal is coupled to the cross coupled latch.
4. The circuit of claim 1 wherein the second transmission gate is between the output of the latch and the cross coupled latch.
5. The circuit of claim 1 , wherein the input signal is a single ended input.
6. The circuit of claim 1 , wherein the input of the transmission gate is coupled to a transmission line.
7. A signal transmission amplifier circuit, comprising:
a first transmission gate having an input;
a first latch coupled to an output of the transmission gate having a reference input;
a second transmission gate coupled to the reference input; and
a reference generating circuit having an output coupled to the reference input through a second transmission gate, the reference generating circuit having a latch.
8. The circuit of claim 7 , wherein the first latch is a cross coupled latch.
9. The circuit of claim 7 , wherein the transmission gate is coupled to a strobe signal and an inverted strobe signal.
10. The circuit of claim 8 , wherein the cross coupled latch latches on an input signal having a voltage that is less than a transistor threshold.
11. The circuit of claim 10 , wherein the cross coupled latch is coupled to a strobe signal.
12. A signal transmission amplifier circuit, comprising:
a cross coupled latch having an input;
a reference voltage generating circuit coupled to provide a reference signal to the cross coupled latch, wherein the reference generating circuit includes a latch;
a transmission gate coupling to the reference generating circuit to the cross coupled latch; and
a second transmission gate between the reference voltage generating circuit and the cross coupled latch.
13. The circuit of claim 12 , wherein the cross coupled latch has a strobe signal input.
14. The circuit of claim 12 , further including a transmission gate coupled between the input of the cross coupled latch and an input signal.
15. The circuit of claim 12 , wherein an input signal is a single ended signal.