photochopper en · NOUN
Etymology
From photo- + chopper.
Meanings
-
An optoelectronic device that converts a DC input signal into a higher frequency signal.
... the isolation between the bulb and photochopper must be 170 db.
1966, Richard F. Shea, Amplifier handbook, page 18-66:Electric pulses with a frequency proportional to the angular velocity of the cups are obtained by means of radial magnets on the rotor axis and fixed transducers or by means of a photochopper.
1998, R. Baudo, Gianni Tartari, M. Munawar, Top of the world environmental research:A typical photochopper circuit is made up of two neon bulbs electrically connected in the form of a relaxation oscillator (Fig. 5).
1963, Space/aeronautics - Volume 40, page 98:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| photochoppers | Number=Plur | lexicographic |