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LA1776M 数据表(PDF) 8 Page - Sanyo Semicon Device |
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LA1776M 数据表(HTML) 8 Page - Sanyo Semicon Device |
8 / 41 page An antenna damping current flows when the RF AGC voltage (pin 1) reaches VCC – VD. FM antenna damping drive pin No.8085-8/41 LA1776M Continued on next page. Pin Descriptions 1 ANT 1000 pF 1000 pF 100 Ω 500 Ω VCC 62 pin RF AGC 1 2 2 N AGC DET W AGC DET KEYED AGC ANT DAMPING VCC (61pin) VCC-VD 12 k Ω FET 2ND GATE + Used to control the FET second gate voltage. In AM mode, forcibly set the pin 2 voltage to the low level and apply AGC to the FM RF system. RF AGC 3 Oscillator connection This pin is designed to drive an external oscillator circuit that uses external transistors and capacitors. FM OSC 4 VCC VCC (5 pin) 25 pF 20 pF 2 k Ω 10 k Ω VT 4 EF. GND Pin No. Pin Description Equivalent circuit |
类似零件编号 - LA1776M |
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类似说明 - LA1776M |
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