The problem of evaluating the optimal performances of cascaded, unbalanced, multi-stage transistor amplifiers is addressed. In particular, a theoretically rigorous approach is proposed for the determination of a family of Optimal Design Curves (ODC's) which express the best noise-gain tradeoff that can be achieved - at each frequency and device operating condition - when a simultaneous constraint on amplifier input VSWR is accounted for. Such curves can be used as a more meaningful starting point in practical amplifier design in place of the approximate calculations so far employed for target performance or optimization goals determination
CALANDRA E, DI MAIO B, LUPO D (2007). On the Optimal Design of Multi-Stage Cascaded Transistor Amplifiers with Noise, Gain and Mismatch Constraints. In ECCTD 2007 Conference Proceedings (pp.272-275). IEEE [10.1109/ECCTD.2007.4529589].
On the Optimal Design of Multi-Stage Cascaded Transistor Amplifiers with Noise, Gain and Mismatch Constraints
CALANDRA, Enrico;DI MAIO, Bruno;Lupo, Daniele
2007-01-01
Abstract
The problem of evaluating the optimal performances of cascaded, unbalanced, multi-stage transistor amplifiers is addressed. In particular, a theoretically rigorous approach is proposed for the determination of a family of Optimal Design Curves (ODC's) which express the best noise-gain tradeoff that can be achieved - at each frequency and device operating condition - when a simultaneous constraint on amplifier input VSWR is accounted for. Such curves can be used as a more meaningful starting point in practical amplifier design in place of the approximate calculations so far employed for target performance or optimization goals determination
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