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MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
INTEGRATED CIRCUIT
1 . Model Number : 2 . Functions 2 . 1 Function name 2 . 2 Block diagram 3 . Applications : 4 . Package specifications 4 . 1 Package name 24 - pin plastic mold flat package G465098
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.
Figure 1 TV,VTR
4 . 2 Package diagram number 5 . Circuit diagram number 6 . Pin configuration
RF AGC DELAY AFT OUT RF AGC OUT NC VIF IN VIF IN GND GND SIF IN IF AGC FILTER / FM RADIO FM DET COIL AUDIO OUT
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
SIF CARRIER DET LEVEL APC FILTER VIDEO OUT NTSC / OTHER SW Vcc Vcc VCO COIL VCO COIL SIF CARRIER DET OUT QIF OUT AF FILTER LIMITER IN
7 . Related standards
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
8 . Absolute maximum ratings Parameter Supply Voltage 1 Power Consumption Operating Temperature Storage Temperature
( Ta = 25C, unless otherwise noted ) Ratings 6.0 1190 -20 ~ +75 -40 ~ +150 Unit V mW C C Note
Symbol Vcc Pd Topr Tstg
Temperature Characteristics 1750 1500 1250 1000 750 500 250 0 -20 0 25
1190
( maximum ratings ) Mounting in standard circuit board
714
50
75
100
125
150
Ambient temperature Ta (C)
9 . Recommended Operating Condition Supply Voltage Range (Vcc) * * * * * * * 4.75 to 5.25 V Rated Supply Voltage (Vcc) * * * * * * * 5.0 V
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
10 . Block diagram and peripheral circuit
Vcc 5V
5V VCO COIL 5549 BPF 1K
24
23
22
21
20
Radio TV
19
18
17 VCO
16
15
14
13 LIM AMP
APC FM DET QIF DET
47K 47K
AMP AFT IF AGC
VIDEO DET
QIF AGC
Radio
TV
RF AGC 1
TP1 SW1 1
VIF AMP 4
N.C
SIF AMP
AF AMP
5V
2
3
TP3
5
6
7
8
9
10
11
12
VIF IN 5V 5V
SIF IN
FM det coil 5923
5V
TP2
FIG.1
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
11. Electrical Characteristics (VCC=5V,Ta=25C unless otherwise noted) TV Mode
Measurement condition NO Parameter
Test Test Input Input Symbol Circuit Point Point SG
External power
V10 V14
switches set to position 1 unless otherwise noted
Limits Unit Note
MIN TY P MAX
1 2 3 4 5 6 7 8 9
Circuit Current 1 ICC1 Vcc=5V Video Output DC Voltage 1 Video Output Voltage 1 Video S/N Video Band Width Input Sensitiv ity
Maximum Allowable Input
1 1 1 1 1 1 1
A
VIF IN -- VIF IN VIF IN VIF IN VIF IN VIF IN -- VIF IN -- VIF IN VIF IN VIF IN VIF IN VIF IN VIF IN -- VIF IN VIF IN VIF IN
SG1 -- SG1 SG2 SG3 SG4 SG5 -- SG6
-- 0 -- --
-- -- -- --
VCC=5V SW19=2 SW10=2
30 3.2 1.8
43 3.5 2.1 56 7.0 48
56 3.8
mA V
V22 Vo det Video S/N BW VIN MIN VIN MAX GR V10 V10H
TP22A
TP22A
2.4 Vp-p
-- -- dB MHz 1 2
TP22B
SW22=2 SW10=2
51 6.0
--
TP22A
Vari-- able
TP22A
-- -- -- --
-- -- -- --
52
-- --
dB dB dB
3 4 5
TP22A
101 105 50 2.9 4.0 2.2 4.2
--
AGC Control Range Input IF AGC Voltage Maximum IF AGC
-- 1 1 1 1
-- TP10
57 3.2 4.4 2.4 4.7 0.1 92 1.7 2.4 4.1 35
3.5
--
V V V V V dB 6
10 Voltage 11 12 13 14 15 16 17 18 19 20
TP10 TP10 TP3
-- SG7 SG6 SG7 SG8 SG9
-- -- -- -- -- -- -- --
-- -- -- -- -- -- SW1=1
Minimum IF AGC V10L Voltage Maximum RF AGC Voltage Minimum RF AGC Voltage RF AGC Delay Point V3H
2.6
--
V3L V3
1 1 1
TP3 TP3
TP22A
0.5 95
-- --
89 1.0 1.8 3.1 23
Capture Range CL-U U Capture Range CL-L L Capture Range CL-T T AFT Sensitiv ity AFT Maximum Voltage AFT Minimum Voltage V2H V2L
MHz
7
1 --
TP22A
SG9 --
-- --
MHz MHz
mV kHz
8 9 10 10
--
--
1 1 1
TP2 TP2 TP2
SG10 SG10 SG10
-- -- --
-- -- --
70
--
3.85 4.15
--
V
0.7
1.2
V
10
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Measurement condition NO Parameter
Inter Modulation Dif f erential Gain Dif f erential Phase Sy nc. tip lev el VIF Input Resistor VIF Input capacitance
Test Test Input Input Symbol Circuit Point Point SG
External power
switches set to position 1 unless otherwise noted
Limits
MIN TY P MAX
Unit Note
-- dB 11
V10 V14
Vari-
21 22 23 24 25 26
IM DG
1 1
TP22A TP22A
VIF IN VIF IN VIF IN VIF IN --
SG11 able SG12 --
--
SW10=2
35
--
40 2 2
--
5 5
% deg
DP V22 SYNC RINV CINV
1
TP22A
SG12 --
--
--
1
TP22A
SG2 --
-- --
-- --
0.85 1.15 1.45 1.2 5
V
2 2
TP5 TP5
k pF
--
--
--
--
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Measurement condition NO Parameter
QIF Output Voltage 1 QIF Output Voltage 2 AF Output (4.5MHz)
AFOutput Distortion (4.5MHz) Limiting Sensitivity (4.5MHz) Symbol Test Test Circuit Point Input Point Input SG
External power
V10 V14 --
switches set to position 1 unless otherwise noted
Limits Unit Note
MIN 90 TY P MAX 96 102 dB
27 28 29 30 31 32 33 34 35
QIF1
1
VIF IN SG2 -- TP15 SIF IN SG13 VIF IN SG2 TP15 SIF IN SG14 --
QIF2
1
-- --
90
96
102
dB
VoAF1 THD AF1 LIM1 AMR1 AF S/N1 RINS CINS
1
TP12
LIM SG15 -- IN LIM SG15 -- IN LIM SG16 -- IN LIM SG17 -- IN LIM SG19 -- IN -- -- --
300
-- --
430 615 mVrms 0.2 55 46 53
1.5 4
1 1 1
TP12 TP12
--
1.0 60
--
%
-- --
dB
12 13 14
AM Rejection (4.5MHz) AF S/N (4.5MHz) SIF Input Resistor SIF Input capacitance
TP12
40 46
--
dB
1
TP12 TP9
--
--
dB
2
--
-- --
k pF
2
TP9
--
--
--
--
--
FM Radio Mode
Measurement condition NO Parameter
SIF detection out High Voltage SIF detection out Low Voltage SIF detection Threshold Point Test Test Symbol Circuit Point Input Point Input SG
External power
V10 V14
switches set to position 1 unless otherwise noted
Limits
MIN 4.0 TY P MAX 4.8 --
Unit Note
V
32 33 34 35 36 37 38
V16H
1
TP16
-- SIF IN SIF IN SIF IN LIM IN LIM IN LIM IN
--
0
--
SW10=2
V16L TSIF
1
TP16
SG20 0
--
SW10=2
--
0.2
1.0
V dB
1
TP16
SG21 0
--
SW10=2 SW1=2 SW10=2 SW10=2
85
90
95
15
RF AGC Delay Point AF Output AF Output Distortion AF S/N
V3F
1
TP3
SG21 0 SG22 0 SG22 0
-- --
85
90
95
dB
16
VoF THD F S/N F
1
TP12
400 --
560 0.2 62
800 mVrms 1.0 % dB
1
TP12
--
SW10=2
1
TP12
SG19 0
--
SW10=2
55
--
17
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Measuring Circuit Diagram 1
BPF 1K
SW19 1 TP22B
Vcc 5V A
V14
LIM IN
2
51
1
5V
TP24 1 2
SW22
SW14
2
VCO COIL 5549
TP16 TP21
2
1 TP15 TP14
2
1
24
23
22
21
20
Radio TV
19
18
17 VCO
16
15
14
13 LIM AMP
APC FM DET QIF DET
47K 47K
AMP AFT IF AGC
VIDEO DET
QIF AGC
Radio
TV
RF AGC 1 5V
TP1 SW1 TP3
VIF AMP 4
N.C
SIF AMP
AF AMP
2
3
5 1:1
6
7
8
9
TP9
10
TP10
11
12
TP12 1
5V 5V 51
51
FM det coil 5923
SIF IN
TP2
SW10 2 V8
1
VIF IN
All capacitor is 0.01F, unless otherwise noted. The Measuring Circuit 1 is Mitsubishi standard evaluation fixture.
Fig.2
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Measuring Circuit Diagram 2
24
23
22
21
20
Radio TV
19
18
17 VCO
16
15
14
13 LIM AMP
APC FM DET QIF DET
47K 47K
AMP AFT IF AGC
VIDEO DET
QIF AGC
Radio
TV
RF AGC 1 2 3 4
VIF AMP 5
TP4
SIF AMP
AF AMP
6
7
8
9
TP7
10
11
12
HI
RX LO meter
HI
RX
LO meter
All capacitor is 0.01F, unless otherwise noted.
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
INPUT SIGNAL
SG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 50 Termination fo=58.75MHz AM 20 KHz 77.8 % 90 dB fo=58.75MHz 90 dB Cw f1=58.75MHz 90 dB Cw f2=Frequency Variable 70 dB Cw Mixed Signal
fo=58.75MHz AM 20 KHz 77.8% Level Variable fo=58.75MHz AM 20 KHz 14.0% Level Variable fo=58.75 MHz fo=58.75 MHz fo=58.75 MHz 80 dB Cw 110 dB Cw Cw Level Variable AM 20 KHz 90 dB Cw Mixed Signal 77.8 % 90 dB
fo=Frequency Variable fo=Frequency Variable
f1=58.75MHz 90 dB Cw f2=55.17MHz 80 dB Cw f3=54.25MHz 80 dB Cw
fo=58.75MHz 87.5 % TV modulation Ten-step waveform Sync Tip Level 90 dB fo=54.25MHz 95 dB Cw fo=54.25MHz 75 dB Cw fo=4.5 MHz 90 dB FM 400 Hz 25 KHz dev fo=4.5 MHz fo=4.5 MHz Level Variable FM 400Hz 25KHz dev fo=4.5 MHz 100 dB AM 400 Hz 30 % Level Variable Cw 90 dB Cw fo=4.5 MHz 90 dB Cw fo=54.25 MHz fo=54.25 MHz Level Variable Cw fo=4.5 MHz 90 dB FM 400 Hz 75 KHz dev
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Notes
1. Video S/N Input SG2 into VIF IN and measure the video out(Pin 22) noise in r.m.s at TP22-B through a 5MHz (-3dB) L.P.F. S/N=20 log 0.7 x V0 det NOISE 2. Video Band width: BW 1. Measure the 1MHz component level of Video output TP22A with a spectrum analyzer when SG3(f2=57.75MHz) is input into VIF IN. At that time, measure the voltage at TP10 with SW10, set to position 2, and then fix V10 at that voltage. 2. Reduce f2 and measure the value of (f2-f1) when the (f2-f1) component level reaches -3dB from the 1MHz component level as shown below. TP22 (dB)
-3dB
( f2 - f1 ) 1 MHz 3. Input Sensitivity: VIN MIN Input SG4 (Vi=90dB) into VIF IN , and then gradually reduce Vi and measure the input level when the 20KHz component of Video output TP22A reaches 3dB from Vo det level. 4. Maximum Allowable Input: VIN MAX 1. Input SG5 (Vi=90dB) into VIF IN , and measure the level of the 20KHz component of Video output. 2. Gradually increase the Vi of SG and measure the input level when the output reaches -3dB. BW
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
5. AGC Control Range: GR GR = VIN MAX - VIN M IN
(dB)
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 V3H
1/2VCC
V3L Vi Vi(dB)
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 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) (MHz)
9. Capture range: CL - T CL - T = CL - U + CL - L (MHz)
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
10. AFT sensitivity , Maximum AFT voltage V2H, Minimum AFT voltage V2L 1. Input SG10 into VIF IN, and set the frequency of SG10 so that the voltage of AFT output TP2 is 3V . This frequency is named f(3). 2. Set the frequency of SG10 so that the AFT output voltage is 2V. This frequency is named f(2) 3. IN the graph, maximum and minimum DC voltage is V2H and V2L, respectively.
TP2 Voltage 5V
=
1000 (mV) f(2) - f(3) (kHz)
(mV/kHz)
4V
V2H
V2L f(3) f(2) f(MHz)
11. Inter modulation: IM 1. Input SG11 into VIF IN, and measure EQ output TP22A with an oscilloscope. 2. Adjust AGC filter voltage V10 so that the minimum DC level of the output waveform is 1.0V. 3. At this time, measure TP22A with a spectrum analyzer . The inter modulation is defined as a difference between 0.92MHz and 3.58 MHz frequency components.
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
12. Limiting Sensitivity: LIM 1. Input SG16 (Vi=90dB) into SIF IN, and measure the 400Hz component level of AF output TP12. 2. Lower the input level of SG16, and measure the level of SG16 when the VoAF level reaches -3dB.
-3dB
Audio output [mVrms]
LIM
90
Input lev el [dB]
13. AM Rejection: AMR 1. Input SG17 into SIF IN, and measure the output level of AF OUT (TP12). This level is named VAM. 2. AMR is ; AMR = 20log 14. AF S/N: AF S/N 1. Input SG19 into SIF IN, and measure the output noise level of AF OUT (TP12). This level is named VN. 2. S/N is; S/N = 20log VoAF (mVr.m.s) VN (mVr.m.s) (dB) VoAF (mVr.m.s) VAM (mVr.m.s) (dB)
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
15. SIF detection threshold level TSIF SG21 is applied to SIF IN and the input amplitude is swept. Then, the level of SG21, TSIF, is measured at the time when the DC voltage of SIF CARRIER DET OUT (TP16) has just begun to vary.
16. RF AGC voltage V3F SG21 is applied to SIF IN and the input amplitude is swept. Then, the level of SG21, V3F, is measured at the time when the DC voltage of RF AGC OUT (TP3) has just reached 1/2Vcc.
17. AF S/N (S/N F) 1. SG19 is applied to SIF IN and the output noise of AUDIO OUT (TP12) is measured. The measured noise is named VNF. [dB] S/N F = 20log VoF [mVr.m.s] 2. S/N F is, VNF [mVr.m.s]
MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
VCO coil adjustment methods 1. Input SG2 (fo=58.75MHz, 90dB 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, 95dB 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). Material Frame Lead plating Plastic molded : : Copper alloy Solder plating
Indications
MITSUBISHI Model Number
M52765FP XXXXXX
Mark lot number
Lot number constitution
9120 34
The first place of the year (1999) weekly code (12th week) Production factory code Running number

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