Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine. Resistor R1 should be chosen according to the table given next to the diagram.
Silicon Labs CSP Package EFM32™ Leopard Gecko 32-Bit MCUs are part of the world's most energy...
This two-transistor amplifier has good gain but delivers a fraction of a watt of power. The...
This very high input impedance circuit is suggested by Texas Instruments. The circuit can be...