what is sound intermediate frequency?

Answer 1

frequency translation phase-locked loop (PLL) is provided for detecting the audio information from a television signal. The PLL includes a mixer and a phase detector, responsive to the intermediate picture and sound carriers respectively, which carriers are amplified by a single IF amplifier. A first filter is coupled between the output of the television receiver tuner and the input of the IF amplifier and has a frequency response for passing the picture and sound carriers. The input of the mixer is coupled to the output of the IF amplifier and is substantially responsive to the amplified picture carrier. The phase detector has a first input also coupled to the output of the IF amplifier and is substantially responsive to the amplified sound carrier and a second input coupled to the output of the mixer. A second filter coupled to one of the first and second inputs of the phase detector has an amplitude versus frequency response which provides a predetermined attenuation at the frequency of the picture carrier and substantially less attenuation at the frequency of the sound carrier. A lowpass filter coupled to the output of the phase detector provides the detected audio information.

Answer 2

sure there are. The Founders of international religions are the Intermediaries between the only genuine God and mankind. no you could quickly income get right of entry to to the only genuine God, the Heavenly Father. The Intermediaries like Moses, Christ, Muhammad...are the Holy Spirit. they do no longer look to be God, they do no longer look to be men, yet they are like proper Mirrors reflecting each and all the names and attributes of God. All of those Messengers use the human temple to handle mankind, so they are considred as Divine Sons. for this reason, each and all the non secular Foundres are as Sons, yet Holy Spirit in certainty; They by no potential attain the station of ultimate Deity, the only genuine God. as quickly as determining this certainty, we can easily conceive the which potential of one God, One Religon and one Mankind.