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通过HC-5502A和HC-5504 SLICs来使用环同步

资料介绍
Using Ring Sync with HC-5502A and HC-5504 SLICs
Using Ring Sync with HC-5502A and
HC-5504 SLICs
Application Note January 1997 AN571.1



Introduction
The ring synchronization (sync) input pin is a TTL compati- tip feed resistors. The longitudinal amplier output is driven
ble clock input in both the HC-5502A and HC-5504 SLICs. negative. Once it exceeds the ring trip threshold of the ring
It’s purpose is to insure that the ring relay is activated or trip detector, the logic circuitry is driven by GK to trip the ring
deactivated only when the instantaneous AC ring voltage, relay e……
标签:intersilRingSync
通过HC-5502A和HC-5504 SLICs来使用环同步
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