Signal overload prevention circuit

Details Signal overload prevention circuit Signal overload prevention circuit

H - Electricity

04

N

350/93

H04N 5/14 (2006.01) H04N 5/53 (2006.01)

Patent

CA 1135838

- 20 - RCA 72,784 Abstract of the Disclosure An overload detector is provided for generating an overload signal whenever an I.F. signal exceeds a predetermined level. The overload detector has an input coupled to the emitter circuit of a common emitter transistor of a television I.F. amplifier When the peaks of the I.F. signal applied to the overload detector exceed the predetermined level, a transistor in the overload detector begins to operate as a class C amplifier, thereby generating a periodic overload signal. The overload signal is applied to the input of the R.F. AGC circuit of the AGC system to reduce the gain of the R.F. amplifier of the television receiver. The gain of the I.F. amplifier is not affected by the overload signal, and thus there is no degradation in the signal-to-noise performance of the I.F. amplifier.

347466

Affiliated with

Also associated with

Rating

Signal overload prevention circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Signal overload prevention circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal overload prevention circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1099105