Samsung DVD-HR773 Training Manual page 28

ⓓ MOP(Mixer,OSC,PLL)
- . MOP is consisted of VHF OSC,UHF OSC,Mixer circuits.
- . It have double balance mixer for removing interference.
- . MOP tuned the selected channel.
- . It is very important function in tuner.
- . MOP generate IF signal and connect to IF demodulator.
* . OSC : OSCI LLATOR, PLL : Phas e Locked Loop
I F : I nt er m edi at e Fr equency