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參數(shù)資料
| 型號(hào)： | M52769FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | PLL-SPLIT VIF/SIF |
| 中文描述： | 鎖相環(huán)分割資料表格/應(yīng)力強(qiáng)度因子 |
| 文件頁(yè)數(shù)： | 15/17頁(yè) |
| 文件大?。?/td> | 220K |
| 代理商： | M52769FP |
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PLL-SPLIT VIF/SIF
M52769FP
MITSUBISHI ICs (TV)
MITSUBISHI
ELECTRIC
VCO coil adjustment methods
1. Input SG2 (fo=58.75MHz, 90dBμ CW) into VIF IN.
2. And adjust the coil until the voltage of AFT output reaches about
Vcc/2=2.5V.
FM DET coil adjustment methods
1. The first thing, adjust the VCO coil.
2. Input SG13 (fo=54.25MHz, 95dBμ CW) into SIF IN.
3. Change the switch of SW13 and SW15 to 2 position.
4. Change to FM RADIO mode (V10=0V).
5. Adjust the DC voltage of AFT OUT to Vcc/2 and SIF det OUT to Low (under 1V).
15
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