(=> (Typical-Input-Noise-Current $X $Y) (Current $Y)) (=> (Typical-Input-Noise-Current $X $Y) (Semiconductor $X)) (Typical-Input-Noise-Current Lm383-7-Watt-Audio-Power-Amplifier (* 40 Pico-Ampere)) (Typical-Input-Noise-Current Lm383a-7-Watt-Audio-Amplifier (* 40 Pico-Ampere))