參數(shù)資料
型號(hào): TA1372FNG
廠商: Toshiba Corporation
英文描述: VHF Band RF Modulator IC for VCRs and Set top boxes
中文描述: 甚高頻波段射頻調(diào)制器集成電路錄像機(jī)和機(jī)頂盒
文件頁(yè)數(shù): 2/15頁(yè)
文件大?。?/td> 190K
代理商: TA1372FNG
TA1372FNG
2003-12-25
2
Block Diagram
Reference
signal mode
selection
Carrier off
mode
selection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Programmable
Divider
Phase
Comp.
Reference
Divider
Video Mod.
Mixer
Charge
Pump
Phase
Comp.
1/4
RFCarrier
OSC
Charge
Pump
Sound
VCO
Sound
Counter
RF
Mod.
X’tal
OSC
Clamp
White
Clip
20.8 kHz
62.5 kHz
D.GND
A.VCC
D.V
CC
A.GND
Digital
V
CC
Analog
GND
Sound PLL
loop
filter
Channel
selection
RF PLL
loop
filter
N.C.
Antnna SW
driver
output
Video
signal
input
4 MHz X’tal
or External
Reference
signal input
P/S ratio
set up
Sound
signal
input
Digital
GND
RF
signal
output
Analog
VCC
Voltage
Regulator
Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for
explanatory purpose.
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