mc44353 Freescale Semiconductor, Inc, mc44353 Datasheet - Page 13

• Manufacturer Part Number: mc44353
• Description: Multi.standard Pal/ntsc Modulator
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA ANALOG IC DEVICE DATA
Balanced cross coupled oscillator
terminals. L/C resonance circuit
shape sound modulation depth.
amplifier and phase detector
Frequency selective filter to
Negative input of operation
Sound carrier oscillator
output which provides
Phase/Freq. detector
Operational amplifier
charge pump output
charge pump output
Digital circuit supply
the tuning voltage
Bal Osc
Oscillator Ground
Oscillator Ground
L/C tuned circuit
Pre–Em 10
Osc Gnd 4
Osc Gnd 7
16 Amp In
Snd Tun 9
Op Out 1
Snd Fil 8
V CCD 3
5
6
2.0 k
20 V
20 V
24.5 k
20 V
5.0 V
5.0 V
V CCA
50
MC44353 MC44354 MC44355
10 k
Figure 17. Pin Circuit Schematic
24.5 k
V CCA
Audio
V CCA
V CC
V CC
1/2 V CC
1/2 V CC
96 k
96 k
96 k
96 k
1.5 k
1.0 p
50 k
72
490
132 k
132 k
5.0 V
5.0 V
500
100
5.0 V
500
20 V
ACK
20 V
5.0 V
5.0 V
20 Xtal
Crystal oscillator
(4.0 MHz)
19 SDA
Data input/output (I 2 C bus)
18 SCL
Clock input (I 2 C bus)
17 Mod Gnd
16 V CC Mod
15 RF Out
RF output
14 Mod Gnd
13 Video In
Input for baseband video. Signal
modulates the RF carrier.
12 V CCA
Audio supply voltage
11 Audio In
Input for sound. Signal
modulates the sound carrier.
13