Oscillators – Automatic frequency stabilization using a phase or frequency... – Transistorized controls
Patent
1997-12-18
1999-08-24
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Transistorized controls
331 1A, 331 25, 331DIG2, 327 7, 327 12, 327159, H03L 7087
Patent
active
059429488
ABSTRACT:
A lock detector (16) includes a set circuit (64), a reset circuit (120), and a latch circuit (80). The latch circuit (80) provides an output signal (82) in response to the temporal relationship of the first input signal (12) and the second input signal (14). The set circuit (64) initiates the transition of the latch circuit (80) to the locked state, while the reset circuit (120) initiates the transition of the latch circuit (80) to the not-locked state.
REFERENCES:
patent: 5180933 (1993-01-01), Krzyzanowski
patent: 5256989 (1993-10-01), Parker et al.
Ovens Kevin M.
Smith Patrick R.
Donaldson Richard L.
Grimm Siegfried H.
Hoel Carlton H.
Holland Robby T.
Texas Instruments Incorporated
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