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AN3479FBP

Part Number	AN3479FBP
Manufacturer	Panasonic Semiconductor
Description	VCR SignalLuminance/ Chroma and Normal Audio Signals Processing IC
Published	Mar 26, 2005
Detailed Description	ICs for VCR AN3479FBP VCR Signal(Luminance, Chroma and Normal Audio Signals) Processing IC Unit:mm s Overview The AN34...
Datasheet	AN3479FBP PDF File

Overview

ICs for VCR AN3479FBP VCR Signal(Luminance, Chroma and Normal Audio Signals) Processing IC Unit:mm s 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.
63 64 21.
2±0.
2 18.
0±0.
2 43 42 18.
0±0.
2 84 22 1.
55±0.
1 1 (1.
0) 21 s Features • Compatible with I2C-bus • 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 3.
25±0.
2 21.
2±0.
2 0.
15–0.
05 +0.
10 1.
55±0.
1 0.
6±0.
2 0.
80 0.
35–0.
05 Seating plane +0.
1 s Applications • VCR(NTSC) QFH084-P-1818B 0.
15–0.
05 0.
1±0.
1 0° to 10° 0.
6±0.
2 +0.
1 0.
1±0.
1 1 REC EQ 52 peak f variable REC EQ 53 LPF fC variable 54 AN3479FBP PB Rec.
Rec.
Rec.
PB 2 VCC(RF) VHS-H GND(NA) ROTARY 49 IN 50 63 43 SP/LP -on Rec.
-off 62 S/V det.
Det.
VV EE 61 8M trap 42 GND(RF) RF in/out AT-OUT 41 Det.
AT 39 Int.
60 59 58 57 56 55 51 48 47 46 45 44 s Block Diagram 64 DO SLP -on EE -on External S-VHS DOP PB RF EQ out 65 Sub LPF ENV External peaking PB-off 4 850 Ω PB : off RF AGC 40 Y/C mix.
PB Rec.
-Y -Y Rec.
-C Ext.
66 W 1 250 Ω 67 EE Nor MODE SCL in CK off VV EE Internal peaking Test2 DEM Peaking BPF & GCA D-lim.
629 kHz trap LP/SLP-on VCC(NA) 68 fH trap I2 C bus Clamp 3 MOD Nor 38 Audio out AGC SDA in 69 Rec.
RF EQ 37 Test4 70 Det.
Rotary ID Lim.
ANR Lim.
HPF EE T L Mute 7 8 Audio Tuner in To BM1&BM2 HPF Sub BM 1/40 APC NLE NLDE VV EE VV EE 71 Internal VHS PB RF EQ out ANR or S-VHS PB RF EQ out CTL PIC CTL PB RF EQ peaking 36 35 W/D clip 34 33 VV 1/2 VCC 1/4 FDET 4 Phase select Killer Test monitor out PB comb mix.
out CNR out Burst down 72 1/4 Audio Line in 73 VCO −1 GND(VCO) Test 5/Test6 74 Audio Mute fH Test5 PB ZE Rec.
ZK Comb Rec.
ZI PB ZM ZJ PB PB Rec.
ZG Rec.
Rec.
ZD PB Comb Rec.
-C out 75 Main DLY LPF Zapping 1.
E.
E.
2.
fO ...

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AN3479FBP VCR SignalLuminance/ Chroma and Normal Audio Signals Processing IC - Panasonic Semiconductor

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