Tuners with high input impedance are connected to a common radio frequency (RF) signal source. A termination load external to the tuners provides matched impedance loading for the transmission line or cable driving the tuners. Alternatively, the termination load can be located inside one tuner with a switch to enable or disable the load. All tuners receive the same signal and no signal degradation is caused when connecting multiple tuners. The multiple tuner connection is useful in television signal receiving devices that receive more than one independent channel, such as digital video recorders or picture-in-picture television receivers.

 
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