Feedback clipper专利检索-钳位二极管二极管电子零件及设备专利检索查询-专利查询网

Feedback clipper

阅读：228发布：2023-05-17

专利汇可以提供Feedback clipper专利检索，专利查询，专利分析的服务。并且An amplifier including first and second stages and a feedback loop has an output terminal coupled to a temperature compensated clipping circuit. A signal appearing at the amplifier output terminal and approaching a predetermined clipping level causes a diode in the clipping circuit to conduct. The conduction of the diode alters the feedback to the amplifier such that the altered gain of the amplifier compensates for the nonlinear conduction characteristics of the clipping diode whereby the signal is linearly translated until clipping occurs.，下面是Feedback clipper专利的具体信息内容。

权利要求

1. A clipping circuit for preventing a peak level of a signal from exceeding a predetermined level, comprising: an amplifier including first and second stages for amplifying a signal applied to said first stage; feedback means coupled between said first stage and a signal output terminal of said second stage for controlling the gain of said amplifier; and clipping means including a semiconductor device coupled to a source of potential at said predetermined level coupled to said feedback means for altering said feedback and the gain of said amplifier as said peak signal level approaches said predetermined level for effecting linear translation of said signal until said predetermined clipping level is reached.

2. A clipping circuit according to claim 1 wherein said clipping means comprises a diode biased to conduct at said predetermined level.

3. A clipping circuit according to claim 1 wherein said clipping means comprises a pair of matched diodes having a first of their respective electrodes coupled together, a source of clipping potential at said predetermined level coupled to a second electrode of one of said diodes and a second electrode of the other of said diodes coupled to said feedback means for effecting a constant predetermined clipping potential over a range of temperature.

4. A clipper, comprising: an amplifier including first and second transistors having a feedback path between a signal output electrode of said second transistor and a signal input electrode of said first electrode; and a clipping circuit including first and second diodes having a first of their respective electrodes coupled together and through a resistor to a source of potential, a second electrode of said second diode coupled to a source of clipping potential and a second electrode of said first diode coupled to said signal output electrode of said second transistor whereby a signal appearing at said signal output electrode and having a peak voltage level equal to or exceeding said clipping potential causes said first diode to conduct and alter the feedback of said amplifier such that said signal is linearly translated by said amplifier until said peak signal voltage level reaches said clipping potential.

5. A clipper for limiting a peak level of video signals applied thereto, comprising: an amplifier including feedback means for controlling the gain of said amplifier; and clipping means including a semiconductor diode coupled to an output terminal of said amplifier and to said feedback means, said diode being biased to Conduct as a signal obtained from said amplifier approaches a predetermined clipping level such that the conduction of said diode alters the amount of said feedback for altering the gain of said amplifier for compensating for the nonlinear conduction characteristic of said diode, whereby said signal is linearly translated by said clipper until said signal reaches said predetermined clipping level.

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Feedback clipper

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