Microphone output transmission circuit

Details Microphone output transmission circuit Microphone output transmission circuit

H - Electricity

03

F

179/42

H03F 3/181 (2006.01) H04R 19/04 (2006.01)

Patent

CA 1170189

SO144 S81P93 ABSTRACT OF THE DISCLOSURE A microphone output transmission circuit for a capactive microphone such as an electret microphone employs a differential amplifier to provide a transformerless balanced connection to a microphone transmission line, either at the transmission end or at the reception end thereof. Power is applied in a phantom connection by superimposing a DC voltage on two balanced signal conductors of the transmission line, and using the shield thereof as a ground return line. A pair of microphones with oppositely- directed sound-gathering planes can be connected to respective inputs of a differential amplifier at the transmission end, so that the two microphones together have a bidirectional charac- teristic. -i-

379847

Affiliated with

Also associated with

Rating

Microphone output transmission 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 Microphone output transmission circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microphone output transmission circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1302543