发明名称 |
AM/FM synchronizing circuit |
摘要 |
A synchronizing circuit used for both an AM intermediate frequency signal and an FM composite signal. A phase detector, voltage-controlled oscillator, frequency divider and phase shifter are connected in a phase-locked loop. The division factor of the frequency divider is controlled to different values for the AM and FM signals.
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申请公布号 |
US4691356(A) |
申请公布日期 |
1987.09.01 |
申请号 |
US19860886720 |
申请日期 |
1986.07.18 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
ICHIKAWA, TOSHIHITO |
分类号 |
H03L7/095;H03D1/22;H03L7/183;H04B1/16;H04B1/30;H04H5/00;(IPC1-7):H04N5/00 |
主分类号 |
H03L7/095 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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