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PDF KKA4661 Data sheet ( Hoja de datos )
| Número de pieza | KKA4661 | |
| Descripción | BASEBAND DELAY LINE | |
| Fabricantes | KODENSHI KOREA | |
| Logotipo |  |
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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
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet KKA4661.PDF ] | |
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