VCR Signal(Luminance, Chroma and Normal Audio Signals) Processing IC
Unit:mm
42
21.2±0.20.1±0.1
18.0±0.2
22
3.25±0.2
1.55±0.1
–0.05
+0.10
0.15
–0.05
+0.1
1.55±0.1
0.15
0.6±0.2
0° to 10°
0.1±0.1
■ Overview
The AN3479FBP is an IC designed for NTSC-dedicated
VHS VCR signal processing and incorporates circuits for
processing RF and normal audio signals as well as luminance and chroma signals.
■ Features
•
Compatible with I
•
Totally free of adjustments
•
Low-frequency comb system
•
An improved chroma S/N ratio ensured by built-in CNR
and CPC(chroma phase compensator) circuits
•
Compatible with SQPB
2
C-bus
21.2±0.2
18.0±0.2
6343
64
84
121
(1.0)
+0.1
0.80
0.6±0.20.35
–0.05
Seating plane
■ Applications
•
VCR(NTSC)
QFH084-P-1818B
1
AN3479FBPICs for VCR
■ Block Diagram
(RF)
V
CC
ROTARY
IN
VHS-H
REC EQ
peak f variable
REC EQ
LPF fC variable
GND(NA)
23
in
Line1 in or OPN-Y in
Tuner in
Line2
AGC
NOR
Test3
Rec.
Rec.
Test5へ
Burst
trap
4.8 M
PB
83
REC-Y adj.
22
AttAttAtt
Comp.
CPC
amp.
Comb
up/
BPF1
84
REG
V
down
Rec.
CNR
CPN PB
CPN
Det.HSS
Cバス
2
I
BM1& BM2
Att
Comp.
21
20
19
18
17
16
15
14
13
12
11
10
(Y)
V
CC
Tuner
LINE1
HSS OUT
Art V IN
9
8
SDA IN
7
SCL IN
PAL-M"L"
6
or TEST1
MONITOR
5
OUT
TEST5/TEST6
4
(C)
V
CC
3
PB-C out
2
1
Test5へ
Rec.-C out or EXTERNAL
REC RF or MAIN EMPH
OUT or TEST2
35
3
Clamp
EE
peaking
PB RF EQ
Det.
Mute
71
Audio Tuner in
VV : PB-C IN
34
33
clip
W/D
Rec.-C
HPFLim.
O
3.deviation
Zapping
1.E.E.
2.f
ID
To BM1&BM2
Rotary
1/4
VV
72
73
CC
1/2 V
32
31
out
test2
mix.
YNR
EE
HPFLim.
NLE
ANR
NLDE
4.Rec.-Y
5.Rec.-C
6.V-V
7.S/V-1th
8.W/C
9.VCO(for 3.58)
APC
1/40
Sub
BM
FDET
Side
−1
VCO1/4
74
75
GND(VCO)
Audio Line in
30
YNR
Nor
DOP
Clamp
VVVV
Main
Test monitor out
PB comb mix. out
CNR out
Test 5/Test6
Killer
select
4 Phase
f
lock
AFC
EE
76
Audio Mute
AT-OUT
RF in/out
GND(RF)
42
41
40
39
38
37
36
Int.Ext.
Det. AT
VV EE
43
Det.
44
45
46
8M
trap
Y/C
mix.
PB : off
RF
AGC
Rec.-Y
-Y
PB
trap
629 kHz
47
peaking
External
ENV
BPF
Peaking
Internal
Nor
D-lim.
48
49
50
51
det.
S/V
52
53
54
S-VHS
External
PB RF EQ
DOP
DO
out
55
Sub
56
-off
Rec.
57
LPF
DEM
58
NorTest4
Rec. RF EQ
Rec.-C
CK
off
& GCA
peaking
Test2
Internal VHS PB RF EQ out
or S-VHS PB RF EQ out
PIC
CTL
ANR
C
2
I
bus
MODE
7
SCL in
MOD
VV
CTL
8
SDA in
59
60
-on
61
SP/LP
EE
62
63
-on
-on
SLP
4 850 Ω
PB-off
64
65
EE
W
H
f
trap
AGC
1 250 Ω
66
67
LP/SLP-on
68
(NA)
CC
V
T
L
69
Audio out
70
process
1
EEEE
DLY
LPF
Burst down
H
VV
29
Do
ACC out
DP
ZE
Test5へ
77
GND(C)
28
Rec.
Rec.
PBRec.
18 kΩ
78
GND(Y)
27
in
RF
Sub
LPF
amp.
Rec.-C outへ
LPF
ZK
BPF2
ZL
79
CCD
Clamp
Comb
Comb
Comb
GCA
LPF
2
Det.
PBZD
Comb
out
SC
2 f
ACC
Rec.
Rec.
26
Rec.
BM1
LPF1
ZI
SP
CM
80
Det.
PB
VV
Rec.
ZG
PB
ZM
Det.
BPF
Video out
25
Mute
Y/C
mix.
4
Clamp
EE
Rec.
PB
PB
BM2
Rec.
PB
ZJ
GCA
CCD
PB
LP
EP
Trick
× 2
81
24
PB
LPF2
LPF
Test5へ
VXO
82
2
ICs for VCRAN3479FBP
■ Pin Descriptions
Pin No.Descriptions
1CCD DL In (C)/CPN C In32 kΩ
2CCD AGC Det.(C)Push-pull
3CCD DL Out(C)Push-pull
4C-V
CC
5Test5/Test MonitorPush-pull
6PAL-M : "L"/TEST129.6 kΩ
7SCL InOpen base
8SDA In
9ACC Det.920 + E.F.
64NA Auto Bias Detector InC in
65NA Rec. OutPush-pull
66NA Rec. NF5 kΩ
100 kΩ
3
AN3479FBPICs for VCR
■ Pin Descriptions(continued)
Pin No.Descriptions
67NA REC EQ LP/SLP SWSP : 100 kΩ
68NA V
CC
69NA Line OutPush-pull
70NA AGC Det222 Ω + E.F.
71NA Tuner In30 kΩ
72NA V
REF
73NA Line In30 kΩ
74VCO Gnd
■ Absolute Maximum Ratings
ParameterSymbolRatingUnit
Supply voltageV
Supply currentI
2
Power dissipation
Operating ambient temperature
Storage temperature
Note) *1:Ta = 25 °C except operating ambient temperature and storage temperature.
*2:Power dissipation of the package at Ta = 70 °C.
*
1
*
1
*
CC
CC
P
D
T
opr
T
stg
Impedance
LP/SLP :
Push-pull
25 kΩ
Pin No.Descriptions
Impedance
75NA Mute211 kΩ
76REC C Adj200 kΩ
77C Gnd
78REC AFC/PB APC DetCollector base
792fSC Out/fsc OutPush-pull
80Side Lock DetC.C.
81XO/VCXO OutPush-pull
82XO/VCXO In1 900 Ω
83REC Y Adj.105 kΩ
84REC APC DetCollector base
5.5V
222mA
958mW
−20 ∼ +70°C
−55 ∼ +150°C
■ Recommended Operating Range
ParameterSymbolRangeUnit
Supply voltageV
4
CC
4.7 ∼ 5.3V
ICs for VCRAN3479FBP
■ Electrical Characteristics Ta = 25 °C ±2 °C
ParameterSymbolConditionsmin.typ.max.Unit
Circuit current 1I
Circuit current 2I
Acknowledge output driver currentI
SCL, SDA signals input "H"level V
SCL, SDA signals input "L"level V
SCL clock frequencyf
Video EE output amplitudeV
Y tuner/line 1 crosstalkCT
Y line 2/line 1 crosstalkCT
Y tuner/line 2 crosstalkCT
Y line 1/line 2 crosstalkCT
Y line 1/tuner crosstalkCT
Y line 2/tuner crosstalkCT
Keyed AGC control sensitivityS
Y AGC frequency characteristic ∆G
Y MLPF frequency∆G
characteristic 1In : Pin18,Out : Pin5
Y MLPF frequency∆G
characteristic 2In : Pin18,Out : Pin5
Y MLPF group delay 1t
Y MLPF group delay 2t
Sync.-sepa. min. inputS
sensitivityIn : Pin18,Out : Pin14
Sync.-sepa. front edge delayt
Sync.-sepa. output amplitudeV
VCC = 5 V,Rec.- mode116140175mA
REC
VCC = 5 V,PB-mode125150188mA
PB
ACKVCC
SHI
SLOVCC
SCL
EE
= 5 V1.82.55.0mA
VCC = 5 V3.15.0V
= 5 V00.9V
VCC = 5 V100kHz
Video(W−100 %),1 V
PP
1.995 2.100 2.205V
In : Pin18,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
TL1
In : Pin18,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
L2L1
In : Pin18,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
TL2
In : Pin16,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
L1L2
In : Pin16,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
L1L
In : Pin20,Out : Pin25
Sin 100 mVPP,1 MHz− 45dB
L2T
In : Pin20,Out : Pin25
Video(W−100 %),2.0 VPP/0.5 V
KAGC
PP
1.0dB
In : Pin18,Out : Pin25
Sin 100 mVPP,5 MHz/1 MHz− 1.50.5dB
AGC
In : Pin18,Out : Pin25
Sin 100 mVPP,2.7 MHz/320 kHz− 7.8 − 6.3 − 4.8dB
YL1
Sin 100 mVPP,3.58 MHz/320 kHz− 29dB
YL2
Sin 100 mVPP,320 kHz9701 050 1 130ns
DYL1
In : Pin18,Out : Pin5
Sin 100 mVPP,1.8 MHz−100−70−40ns
DYL2
In : Pin18,Out : Pin5
Video(W−100 %)33%
SS
Video(W−100 %),1 V
DSS
PP
1.61.82.0µs
In : Pin18,Out : Pin14
Video(W−100 %),1 VPP,LP-mode4.0V
SS
In : Pin18,Out : Pin14
PP
PP
5
AN3479FBPICs for VCR
■ Electrical Characteristics(continued) Ta = 25 °C ±2 °C
ParameterSymbolConditionsmin.typ.max.Unit
Vertical emphasis(1-K)valueG
gain 1In : Pin18,Out : Pin29
Vertical emphasis(1-K)valueG
gain 2In : Pin18,Out : Pin29
Vertical emphasis differentialV
signal amplitudeIn : Pin18,Out : Pin30
Vertical emphasis X-value gainG
Non-linear emphasis frequency ∆G
characteristic 1SLP/EDIT-mode
Non-linear emphasis frequency ∆G
characteristic 2SLP/EDIT-mode
Non-linear emphasis frequency ∆G
characteristic 3SLP/EDIT-mode
Non-linear emphasis frequency ∆G
characteristic 4SP/SLP-mode
Main emphasis gainG
Dark clip levelDCVideo(W-100 %),1 V
White clip levelWCVideo(W-100 %),1 V
FM carrier interleave∆f
Sync. tip frequencyf
FM deviation∆f
Rec. FM output amplitudeV
FM modulator 2nd harmonicD
2FMOD
distortion
Rec. Y output variable range max.υ
Rec. Y output variable range min.υ
S/V discrimination frequencyf
Sin 400 mVPP(Pin5)150 kHz,LP-mode −3.0−1.50dB
VE1
Sin 400 mVPP(Pin5)2 MHz,LP-mode−1.501.5dB
VE2
Video(W-100 %),1 V
VE
Sin 40 mVPP,150 kHz,Pin31 : open−15.0 −11.5 −8.0dB
VEX
PP
100mV
In : Pin30,Out : Pin33
Sin 400 mVPP(0 dB),2 MHz/100 kHz− 0.21.0dB
NLE1
In : Pin18,Out : Pin33
Sin 40 mVPP(−20 dB),1 MHz/100 kHz3.676.47dB
NLE2
In : Pin18,Out : Pin33
Sin 40 mVPP(−20 dB),2 MHz/100 kHz4.247.24dB
NLE3
In : Pin18,Out : Pin33
Sin 40 mVPP(−20 dB),2 MHz−1.760.84dB
NLE4
In : Pin18,Out : Pin33
Sin 60 mVPP(Pin5),150 kHz13.115.5dB
ME
Pin31 : 0.1 µF
In : Pin18,Out : Pin33
PP
516171%
In : Pin18,Out : Pin33
PP
190200210%
In : Pin18,Out : Pin33
Pulse,5 VPP,SLP-mode6.89.0kHz
CIfH
In : Pin49,Out : Pin33
Out : Pin 333.433.503.57MHz
O
Video(W-100 %),1 V
DEV
PP
0.951.001.05MHz
In : Pin18,Out : Pin33
No input188200212mV
YR
In : Pin18,Out : Pin41
Out : Pin33−35dB
No input−8.5−3.5dB
RY1
In : Pin18,Out : Pin41
No input1.06.0dB
RY2
In : Pin18,Out : Pin41
Sin 350 mVPP,Frequency variable4.254.404.55MHz
SV
SQPB → VHS
In : Pin41,50,Out : Pin31
PP
PP
6
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