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U3660M-B Schematic ( PDF Datasheet ) - TEMIC Semiconductors

Teilenummer U3660M-B
Beschreibung Baseband Delay Line (64 Us)
Hersteller TEMIC Semiconductors
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Gesamt 7 Seiten
U3660M-B Datasheet, Funktion
Baseband Delay Line (64 ms)
U3660M-B
Description
The U3660M is an integrated baseband delay line circuit. It provides a delay of 64 ms for the color difference signals,
±(R-Y) and ±(B-Y), in multi-standard TVs.
Features
D One line delay time, addition of delayed and non-
delayed output signals
D Adjustment-free application, VCO without external
components
D Handles negative or positive colour-difference input
signals
D Clamping of ac-coupled input signals [±(R-Y)
and ±(B-Y)]
D Line-locked by the sandcastle pulse
D No crosstalk between SECAM colour carriers
(diaphoty)
D Comb filtering functions for NTSC colour-difference
signals
D Correction of phase errors in the PAL system
Block Diagram
Ref
13
Bias
"(B–Y)
14 Clamping
"(R–Y)
16 Clamping
Vref
Line memory
Shift register
Line memory
S+H
LPF
+
S+H
LPF
+
"12 (B–Y)
"11 (R–Y)
VDD2 1
SC detector
GND2 3
5
Vref
fsc
PLL
Control
3 MHz
9 VDD1
Clock generator
10 GND1
SSC pulse
Figure 1. Block diagram
94 8223
TELEFUNKEN Semiconductors
Rev. A2, 13-Dec-96
1 (7)






U3660M-B Datasheet, Funktion
U3660M-B
Dimensions in mm
Package: DIP16
94 9128
6 (7) TELEFUNKEN Semiconductors
Rev. A2, 13-Dec-96

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