1. OK, a moon phase detector would be good for researchers to have. 2. Instead of a simple phase detector , the design uses a harmonic mixer ( sampling mixer ). 3. The expression suggests a quadrature phase detector can be made by summing the outputs of two multipliers. 4. Some PLLs also include a divider between the reference clock and the reference input to the phase detector . 5. A phase detector compares two input signals and produces an error signal which is proportional to their phase difference. 6. A phase detector is a nonlinear device whose output represents the phase difference between the two oscillating input signals. 7. PLLs may include a divider between the oscillator and the feedback input to the phase detector to produce a frequency synthesizer. 8. A phase detector suitable for square wave signals can be made from an exclusive-OR ( XOR ) logic gate. 9. In these systems, the signal was not fed directly to the display, but first fed into a phase detector . 10. Likewise, if the phase creeps ahead of the reference, the phase detector changes the control voltage to slow down the oscillator.
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