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| Number | Title | Issue Date |
| 3984781 | Bias control circuit for an audio amplifier utilizing an unsaturated junction type FET A power amplifier is constituted by a complementary pair of one N channel and one P channel unsaturated junction type FET's constructing a single ended pushpull circuit, the N channel FET having a drain connected to the positive terminal of a first dc pow... | 10/05/1976 |
| 3984782 | Bias control circuit for an audio amplifier utilizing an unsaturated junction type FET A power amplifier stage for an audio amplifier is constituted by a complementary pair of one N channel and one P channel unsaturated function FETs forming a single ended pushpull circuit. The stage is energized by a first d.c. power source. The gate poten... | 10/05/1976 |
