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CD7611CP Schematic ( PDF Datasheet ) - Shaoxing Silicore Technology

Teilenummer CD7611CP
Beschreibung (CD7611CP / CD7607CP) Video IF Amplifier
Hersteller Shaoxing Silicore Technology
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Gesamt 8 Seiten
CD7611CP Datasheet, Funktion
Silicore
VIDEO IF AMPLIFIER FOR COLOR AND
MONOCHROME TELEVISION RECEIVER
CHMC CD7607CP/CD7611CP
FUNCTION
z Three Controlled IF Amplifier stages
z Video Demodulator Controlled by Picture
Carrier
z Black Noise and White Noise Inverter
z Peak AGC
z DC Amplifier for RF AGC Output
z DC Amplifier for AFT
z Quadrature Detector for AFT
Outline Drawing
F E AT U R E
z High Gain, Wide Band IF Amplifier: 50dB(Typ.) at 58MHz
z Gain Reduction with Excellent Stability: 55dB(Typ.) at 58MHz
z Excellent DG/DP Characteristics: DG 7%(Typ.), DP 3.5deg.(Typ.)
z Excellent S/N Characteristics Due to Delayed 3 Stage AGC action.
z Fast AGC Action Due to Noise Inverter and Peak AGC.
z Switch Off the Video part with VTR Switch.
z Dual Differential AFT Output.
z Negative Video Output Signal.
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h www. Silicore. com. cn
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CD7611CP Datasheet, Funktion
Silicore
CD7607CP/CD7611CP
3.DG DP TEST CIRCUIT
DG DP MEASURING EQUIPMENT
VIDEO
OUT
SIGNAL SINGAL
IN OUT
RF SG
58.75MHz
MODULATOR
OSC ILLOSCOPE
Vcc
12V
A. T. T.
0.01uF
11
9
16
15
50 2
1
13
75pF
3.9K
8
12
14
V AGC
Vcc
VAGC : GAIN REDUCTION 40Db ADJUST
A.T.T : SYNC TIP LEVEL DC 2.5V ADJUST
A . P. L : 5 0 %
4.INTER MODULATION TEST CIRCUIT
75pF
SG 1
58.75MHz
SG 2
54.25MHz
SG 3
55.17MHz
25
25
25
75PF
0.01uF
11 9 3.9K
A.T.T
25
16
8
15
12
2
1
13
14 VAGC
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
Vcc
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