We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating and the voltage depends on the used type. The components are for a frequency of 500 Hz.
This 3 + 3 V symmetrical source circuit uses an old operational amplifier. The circuit is from an...
This circuit for low frequency data transmission was found in the May 1977 issue of Radio...
This circuit was obtained from an English documentation, with the purpose of carrying out the...