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PDF M52765FP Data sheet ( Hoja de datos )
| Número de pieza | M52765FP | |
| Descripción | PLL-SPLIT VIF/SIF IC | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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INTEGRATED CIRCUIT
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
1 . Model Number :
2 . Functions
2 . 1 Function name
M52765FP
VIF amplification, Picture detection, APC detection,
IF / RF AGC, VCO, AFT, Lock detection, Analog SW,
SIF amplification, QIF amplification, QIF detection,
QIF AGC, SIF limiter, FM detection.
2 . 2 Block diagram
Figure 1
3 . Applications :
TV,VTR
4 . Package specifications
4 . 1 Package name 24 - pin plastic mold flat package
4 . 2 Package diagram number G465098
5 . Circuit diagram number
6 . Pin configuration
RF AGC DELAY 1
AFT OUT 2
RF AGC OUT 3
NC 4
VIF IN 5
VIF IN 6
GND 7
GND 8
SIF IN 9
IF AGC FILTER / FM RADIO 10
FM DET COIL 11
AUDIO OUT 12
24 SIF CARRIER DET LEVEL
23 APC FILTER
22 VIDEO OUT
21 NTSC / OTHER SW
20 Vcc
19 Vcc
18 VCO COIL
17 VCO COIL
16 SIF CARRIER DET OUT
15 QIF OUT
14 AF FILTER
13 LIMITER IN
7 . Related standards
1 page  
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
NO Parameter
Inter
21 Modulation
22
Dif f erential
Gain
23 Dif f erential
Phase
24 Sy nc. tip
lev el
VIF Input
25 Resistor
26
VIF Input
capacitance
Test
Symbol Circuit
Test
Point
Input
Point
Input
SG
Measurement condition
External
power switches set to position
1 unless otherwise noted
V10 V14
Limits
Unit Note
MIN TY P MAX
IM
1
VIF
TP22A IN
Vari-
SG11 able —
SW10=2
35 40 — dB 11
DG 1 TP22A VIF SG12 — —
IN
—2 5 %
DP
1
TP22A VIF
IN
SG12 —
—
— 2 5 deg
V22
SYNC
1
TP22A VIF
IN
SG2 —
—
0.85 1.15 1.45 V
RINV 2 TP5 — — — —
1.2 kΩ
CINV 2 TP5 — — — —
5 pF
5 Page 
5. AGC Control Range: GR
GR = VIN MAX - VIN M IN (dB)
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
6. RF AGC Operating Voltage: V3
Input SG8 into VIF IN and gradually reduce Vi and then measure the input
level when RF AGC output TP3 reaches 1/2 VCC, as shown below.
TP3
Voltage
V 3H
1/2VCC
V 3L
Vi Vi(dBµ)
7. Capture range: CL - U
1. Increase the frequency of SG9 until the VCO is out of locked-oscillation.
2. Decrease the frequency of SG9 and measure the frequency fU when the
VCO locks.
CL - U = fU - 58.75 (MHz)
8. Capture range: CL - L
1. Decrease the frequency of SG9 until the VCO is out of locked-oscillation.
2. Increase the frequency of SG9 and measure the frequency fL when the
VCO locks.
CL - L = 58.75 - fL (MHz)
9. Capture range: CL - T
CL - T = CL - U + CL - L
(MHz)
11 Page | ||
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| PDF Descargar | [ Datasheet M52765FP.PDF ] | |
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