| CPC H03H 11/28 (2013.01) [H03F 3/04 (2013.01); H03M 1/66 (2013.01)] | 20 Claims |
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1. A wideband termination network, comprising:
a t-coil comprising a center tap;
a plurality of output transistors coupled to the center tap of the t-coil; and
a first circuit comprising:
a low-frequency termination resistor that presents a capacitance on a first node;
a first inductor that isolates the capacitance on the first node from an output on a second node and that generates a pole-zero cancellation;
a high-frequency termination resistor parallel to the first inductor;
an adjustable capacitor configured to tune the capacitance on the first node to optimize the pole-zero cancellation; and
a second inductor between the second node and a third node and that compensates for capacitance at the second node, wherein the third node is provided between the first circuit and the t-coil.
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