AN3501NFBP Datasheet, PDF (19/24 Pages) Panasonic Semiconductor – Luminance, chroma and linear audio signal processing IC for VCR

ICs for VCR
s Terminal Equivalent Circuits (continued)
Pin
Impe-
No.
Equivalent circuit
dance (Z) ^Description
46
46
1 950 Ω
OB Phase shift in
AN3501NFBP
Waveform
EE mode VV mode
DC
Voltage
DC (V)
2.5
47

48
820 Ω
48
1 kΩ
10 kΩ
49
10 kΩ
49
 V_CC pin
DC
Y (MOD output
block RF system)
R_E RF peaking/SQPB
DC
changeover pin
DC
5.0
1.0
OB Rotary pulse input
pin
SQPB:
3.25 V to 5 V

5V
0V
75 kΩ
50
50 kΩ MESECAM/PAL/ MESECAM:

NTSC changeover 3.5 V to 5 V
50 kΩ
pin
10 kΩ
PAL:
1.75 V to 3 V
50
NTSC:
0 V to 1.25 V
51
51
30 kΩ Y ext. PF FM input

Pin 51: open 3.0
pin
12 kΩ
30 kΩ 1 620 Ω
Pin 51:
0 V to 1 V
Internal RFEQ
52
High PB NTSC changeover PB NTSC:

52
pin
3.5 V to 5 V
10 kΩ
Test2:
1.75 V to 3 V
Through:
0 V to 1.25 V
53
54
2.75 kΩ
VT/ Main de-emphasis

IE peaking pin
1.5
1 620 Ω
50 µA
53
2.75 kΩ
19