| 摘要 |
<p>PCT No. PCT/DE94/01044 Sec. 371 Date May 13, 1996 Sec. 102(e) Date May 13, 1996 PCT Filed Sep. 8, 1994 PCT Pub. No. WO95/14339 PCT Pub. Date May 26, 1995A circuit for clock recovery from an input signal, particularly an alternating input signal formed from a data signal, the invention calling for a filter/amplifier unit made up of several series-connected resonance ampliers to be formed in a regenerative frequency filter. Unlike series-connected resonance amplifiers without feedback, the filter/amplifier unit has an overall Q-factor in the feedback loop which increases essentially linearly with the number of resonance amplifiers and their Q-factor. This enables the required high overall Q-factor to be obtained for the clock-recovery circuit with a relatively low number of resonance amplifiers with a Q-factor which is low compared with the overall Q-factor. A slope detector, a frequency mixer and the resonance amplifiers have similar assemblies so that the circuit can be designed more simply as a solid-state integrated circuit.</p> |
