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What is U3665M-MDP?

This electronic component, produced by the manufacturer "TEMIC Semiconductors", performs the same function as "Baseband Delay Line 64 us (Improved Version)".


U3665M-MDP Datasheet PDF - TEMIC Semiconductors

Part Number U3665M-MDP
Description Baseband Delay Line 64 us (Improved Version)
Manufacturers TEMIC Semiconductors 
Logo TEMIC Semiconductors Logo 


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U3665M
Baseband Delay Line 64 ms (Improved Version)
Application
In TV sets, the integrated baseband delay line circuit is suitable for decoders with color-difference signal outputs
Description
The integrated delay line circuit U3665M is suitable for
all chroma decoders with baseband color-difference
outputs. It is suitable for PAL-, SECAM- and
NTSC-signals as well. The U3665M contains two
separate delay lines for processing (R–Y)-output and
(B–Y)-output separately. The delay is performed by inter-
nally switched capacitors. On-chip postfiltering avoids
the need for external filter components. In the case of the
U3665M, the postfilter is tuned to Bessel-characteristic.
A summing circuitry combines the information of
adjacent TV-lines, thus giving an interpolated sum for the
PAL-system, storing preceeding lines for the SECAM-
system and providing a comb-filtered output for
NTSC-signals. Due to internally generated timing,
synchronization is easily done by feeding a line-frequent
impulse (usually the SC-impulse) to the sync-input of
the IC.
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 color-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 color
carriers (diaphoty)
D Comb-filtering functions for NTSC color-
difference signals
D Correction of phase errors in the PAL system
"(B–Y)
14
"(R–Y) 16
VDD2 1
GND2 3
Clamping
Clamping
Line memory
Shift register
Line memory
Bias
SC detector
5
fSC
PLL
VRef
S+H
LPF
+
"12 (B–Y)
S+H
LPF
+
"11 (R–Y)
VRef
Control
3 MHz
9 VDD1
Clock generator
10 GND1
SC pulse
Figure 1. Block diagram
94 8846
TELEFUNKEN Semiconductors
Rev. A1, 17-Jul-96
Preliminary Information
1 (9)

line_dark_gray
U3665M-MDP equivalent
U3665M
95 11237
V 11,12
U3661M: internal postfilter with Butterworth characteristic
t
V 11,12
U3665M: internal postfilter with Bessel characteristic
Figure 5. Influence of internal postfilters on siganl outputs
t
TELEFUNKEN Semiconductors
Rev. A1, 17-Jul-96
Preliminary Information
5 (9)


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for U3665M-MDP electronic component.


Information Total 9 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
U3665M-MDPThe function is Baseband Delay Line 64 us (Improved Version). TEMIC SemiconductorsTEMIC Semiconductors

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