參數(shù)資料
型號(hào): TDA8722T
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: I2C-bus programmable modulator for negative video modulation and FM sound
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO20
文件頁(yè)數(shù): 4/28頁(yè)
文件大?。?/td> 196K
代理商: TDA8722T
1998 Jun 23
4
Philips Semiconductors
Product specification
I
2
C-bus programmable modulator for
negative video modulation and FM sound
TDA8722
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MBE401
LOGIC
enable/
select
fDIV
fref
14
10 bits
I C-BUS
RECEIVER
12-BIT
DIVIDER
(N)
PHASE
DETECTOR
enable
CHARGE
PUMP
AMP
7
DIVIDER
(M = 128)
31.25 kHz
4 MHz
OSCILLATOR
9
XTAL
11
VDDD
DGND
10
8
AMP
CP
PRESCALER
(8)
ASYMMETRICAL
OUTPUT
BUFFER
UHF
OSCILLATOR
TDA8722
4
5
6
UOSCB
OGND
UOSCA
RF oscillator on
PC
AUDIO
FM MODULATOR
12
13
SDA
SCL
P0
SOSCB
SOSCA
AUDIO
3
2
1
SWITCH
TPSG
balance test
TPSG on
MIXER
16
15
VOLTAGE
REGULATOR
18
20
17
ADJUST
AGND
VDDA
RFA
RFB
CLIP
CLAMP
19
VIDEO
VIDEO AMP
相關(guān)PDF資料
PDF描述
TDA8725T Antenna signal processor
TDA8730 PLL FM demodulator for DBS signals
TDA8732 NICAM-728 demodulator NIDEM
TDA8740 Satellite sound circuit with noise reduction
TDA8740H Satellite sound circuit with noise reduction
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8725T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Antenna signal processor
TDA8730 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PLL FM demodulator for DBS signals
TDA8732 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:NICAM-728 demodulator NIDEM
TDA8735 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PLL frequency synthesizer
TDA8735T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PLL frequency synthesizer