FORWARD-CURRENT BOOSTER The LT1012 corrects dc errors in the booster stage, and does not set high-frequency signals. Fast signals are fed directly to the stage via Q5 and the 0.01-mF coupling capacitors. DC and low frequency signals drive the stage ... read more>>
GENERAL-PURPOSE PREAMPLIFIER Suitable for general audio use, the preamp circuit uses a feedback pair. Current gain is set by the ratio of (R4+R6)/R4.Schematic of General-Purpose Preamplifier ... read more>>
LOGARITHMIC AMPLIFIER Unusual frequency compensation gives this logarithmic converter a 100 us time constant from 1 mA down to 100 uA, increasing from 200 us to 200 ms from 10 nA to 10 pA. Optional bias current compensation can give 10 pA resoluti ... read more>>