參數(shù)資料
型號: M52775FP
廠商: Mitsubishi Electric Corporation
英文描述: VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
中文描述: 資料表格,應(yīng)力強(qiáng)度因子,視頻,色度,對于NTSC撓度
文件頁數(shù): 17/34頁
文件大?。?/td> 262K
代理商: M52775FP
MITSUBISHI ICs (TV)
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
17
Note: The timing and pulse width of the horizontal blanking pulse
should be as shown in the following figure by adjusting the variable
resistor of the single shot multi vibrator.
The variable resistor at pin 15 of the TTL IC, M74LS221P, is used to
fix the timing at 8
μ
s and that at pin 7 is used to fix the pulse width at
12
μ
s.
Coil adjustment
VCO COIL
1. Input CW (fo=45.75MHz, Vi=90dB
μ
) to input pin A.
2. Set the DC voltage at pin 58 (AFT OUT) to 1/2Vcc (4.0V) by
adjusting VCO coil.
Note: VCO coil should always be adjusted as above before using
this IC.
PIN 13
Horizontal
output
Horizontal
blanking pulse
8
μ
s
12
μ
s
4.0V
45.75MHz
Frequency
Voltage
PIN 58 Output waveform
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