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KODENSHI KOREA

KKA4661 Datasheet Preview

KKA4661 Datasheet

BASEBAND DELAY LINE

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BASEBAND DELAY LINE
TECHNICAL DATA
GENERAL DESCRIPTION
The KKA4661 is an integrated baseband delay line circuit with one line delay. It is
suitable for decoders with colour-difference signal outputs ± (R-Y) and ± (B-Y).
Device is functionally identical to the TDA4661 Philips.
FEATURES
Two comb filters, using the switched-capacitor technique, for one line delay time (64
µS)
3 MHz internal clock signal derived from a 6 MHz CCO, line-locked by the sandcastle
pulse (64 µS line)
Comb filtering functions for NTSC colour-difference signals to suppress cross-colour
Clamping of AC-coupled input signals ± (R-Y) and ± (B-Y)
QUICK REFERENCE DATA
Parameter
Analogy supply current, mA
Digital supply current, mA
Input fixing voltage (on pins 14 and 16), V
Output voltage (on pins 11 and 12), V
Output signal (peak-to peak value)
± (R-Y) on pin 11
± (B-Y) on pin 12
Ratio of output amplitudes at equal input signals
(U14=U16=1.33V), dB
Ratio of output signals on pins 11 and 12 for
adjacent time samples at constant input signals
(U14=U16=1.33V), dB
Gain for PAL and NTSC
Gain for SECAM
(ratio UO/UI), dB
Delay of delayed signals, µS
Delay of non-delayed signals, nS
Transient time of delayed signal on pins 11
respectively 12, nS
Transient time of non-delayed signal on pins 11
respectively 12, nS
Noise voltage (RMS value; pins 11 and 12), mV
Weighted signal-to-noise ratio, dB
Symbol
Ip1
Ip2
U14,16
U11,12
U011
U012
U11/U12
Un/Un+1
Gv
td
tdn
ttr
ttrn
Un
S/N(w)
Type UVCC=5.0 V
Min. Type
--
--
1.3 -
2.5 -
Max
6.0
1.0
1.7
3.3
- 1.05 -
- 1.33 -
-0.4 - 0.4
-0.1 - 0.1
5.3
-0.6
63.94
40
-
-
-
-
- 6.3
- 0.4
- 64.06
- 80
350 -
320 -
- 1.2
54 -
1




KODENSHI KOREA

KKA4661 Datasheet Preview

KKA4661 Datasheet

BASEBAND DELAY LINE

No Preview Available !

www.DataSheet4U.com
PIN CONFIGURATION
16 15 14 13 12 11 10 9
UI(R-Y) n.c. UI(B-Y) n.c. UO(B-Y) UO(R-Y) GND1 UP1
KKA4661
UP2 n.c. GND2 i.c. SAND n.c. i.c. i.c.
12345678
KKA4661
BLOCK DIAGRAM
±(R-Y) 16
SIGNAL
CLAMPING
pre-amplifiers
SIGNAL
±(B-Y) 14 CLAMPING
LINE
MEMORY
LINE
MEMORY
sandcastle
pulse input
SAND-
5 CASTLE
DETECTOR
FREQUENCY
PHASE
DETECTOR
DIVIDER
BY 192
9 10
Vp GND1
LP
SAMPLE-
AND-
HOLD
SAMPLE-
AND-
HOLD
+
LP
-
addition
stages
-
LP
+
3 MHz
CCO
6 MHz DIVIDER
BY 2
4
1 Vp2
3 GND2
11 ±(R-Y)
output
stages
12 ±(B-Y)
7 i.c.
13 n.c.
2 n.c.
6 n.c.
15 n.c.
8
Test Test
2


Part Number KKA4661
Description BASEBAND DELAY LINE
Maker KODENSHI KOREA
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KKA4661 Datasheet PDF






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