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MC44353DW View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
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MC44353DW Datasheet PDF : 20 Pages
First Prev 11 12 13 14 15 16 17 18 19 20
MC44353 MC44354 MC44355
30 V
VCCT
Figure 18. Typical Application
C22
0.1
C21
330 pF
R11
560 k
C20
0.01
R10
240 k
C19
0.0047
R9
47 k
C17
0.001 (Note 2)
C18
0.1
D3
HVU202A
R8
47 k
L1
6.8 nH
(Note 3)
C16
0.001 (Note 2)
R6
33 k
C14, 15
0.22
C10
0.1
C13 0.022
C12
0.0022 R4
100 k
HVUR17
R5
220 k
HVUR17
D1
D2
C11 (Note 5)
L2
27 µH(Note 4)
1
Amp In
MC44353
2
Op Out
3
VCCD
20
Xtal
19
SDA
18
SCL
4.0 MHz
Cx
(Note 1)
SDA High
Speed
SCL Bus
4
Gnd
5
Osc1
6
Osc2
7
Gnd
8
Snd Filt
9
Snd Tun
10
Pre–Em
R7
220 k
17
Mod Gnd
C6
16
0.1
VCC Mod
RF Out
Mod Gnd
15
C5
14 0.001
Video
VCCA
Audio
13
C3
12 0.01
11
C1, 2
0.2
R3
4.7
(Note 4)
TV Out
75 ±1%
R2
Video In
C4
0.1
R1
1.0 k
Audio In
C8
100 pF
C9
220 pF
5.0 V
C7
10 µf
NOTES: 1. Cx depends on Crystal Load Capacitance, Crystal resistance < 200 .
2. Tubular 0603 1.0 nF capacitors.
3. L1 is a 2 turn air coil.
4. L2 and R3 are non–surface mount components. Note L2 quality factor should be high enough to keep the
sound carrier at the typical level Q min @ 5.5 MHz = 43, Q min @ 6.0 MHz = 40, and Q min @ 6.5 MHz = 37.
5. C11 and L2 are selected to control the sound carrier center frequency and its tuning range.
6. D1 and D2 are hyper–abrupt varactor. Minimum capacitance ratio between 1.0 and 4.5 V is C1/C4.5 = 5.6
to cover the full frequncy range. (C @ 1.0 V = 50 pF min)
Modifications to the application layout (Figures 19 through
21) will have an effect on the overall application
performances. The most sensitive areas are around the UHF
Oscillator and RF Output (Pins 4 to 7 and Pins 14 to 17) so
care must be taken to reproduce a similar PCB layout in the
final application.
14
MOTOROLA ANALOG IC DEVICE DATA

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