A selfhyphen;starting, stable, and symmetric driving circuit is described for use with a tauthyphen;band optical modulator such as a Bulova L50 or L51. The astable multivibrator consists of a capacitor, two resistors, three adjustment potentiometers, two diodes, and a dual operational amplifier. The circuit is particularly useful in applications requiring a small modulation amplitude that cannot be obtained from the factoryhyphen;supplied driver.
展开▼
