This low-power, low-supply voltage amplifier uses a preamplifier to achieve a high-gain configuration. The circuit is from the November 1999 issue of Electronics Now magazine.
This unusual audio amplifier configuration was obtained in a 1974 documentation. The PNP...
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...
Found in National Semiconductor documentation, this logarithmic meter is powered with a voltage of only...