Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith
View Patent ↗An active device and circuits utilized therewith are disclosed. In an aspect, the active device comprises an n-type transistor having a drain, gate and bulk and a p-type transistor having a drain, gate and bulk. The n-type transistor and the p-type transistor include a common source. The device includes a first capacitor coupled between the gate of the n-type transistor and the gate of the p-type transistor, a second capacitor coupled between the drain of the n-type transistor and the drain of p-type transistor and a third capacitor coupled between the bulk of the n-type transistor and the bulk of p-type transistor. The active device has a high breakdown voltage, is memory less and traps even harmonic signals.
1. An active device comprises:
an n type transistor having a drain, gate and bulk; a p-type transistor having a drain, gate and bulk; wherein the n-type transistor and the p-type transistor share a common source; a first capacitor coupled between the gate of n-type transistor and the gate of p-type transistor; a second capacitor coupled between the drain of n-type transistor and the drain of p-type transistor; and a third capacitor coupled between the bulk of n-type transistor and the bulk of p-type transistor; wherein the active device has a high breakdown voltage, is memory less and traps even harmonic signals.
2. The active device of claim 1 includes a tuning block coupled to the common source to fan a common gate amplifier.
3. The active device of claim 2 , wherein each of the first, second and third capacitors comprises any of a variable capacitor, a capacitor coupled in series with a resistor, a capacitor coupled in parallel with a resistor; a capacitor coupled serially with an inductor, a capacitor coupled in parallel with an inductor.
4. The active device of claim 1 includes a tuning block coupled to the common source and the gates of the n-type and p-type transistors to form a common source/common gate amplifier.
5. The active device of claim 4 , wherein each of the first, second and third capacitors comprises any of a variable capacitor, a capacitor coupled in series with a resistor, a capacitor coupled in parallel with a resistor; a capacitor coupled serially with an inductor, a capacitor coupled in parallel with an inductor.
6. The push pull stage of claim 1 includes a tuning block comprising any combination of inductors, capacitors, resistors and transformers which comprises two inputs and one output.