(=> (Typical-Input-Noise-Voltage $X $Y) (Voltage-Quantity $Y))
(=> (Typical-Input-Noise-Voltage $X $Y) (Semiconductor $X))
(Typical-Input-Noise-Voltage Lm383-7-Watt-Audio-Power-Amplifier
(* 20 Micro-Volt))
(Typical-Input-Noise-Voltage Lm383a-7-Watt-Audio-Amplifier
(* 20 Micro-Volt))