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參數(shù)資料
| 型號： | TDA6170X |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PDSO28 |
| 封裝： | PLASTIC, DSO-28 |
| 文件頁數(shù)： | 23/27頁 |
| 文件大小： | 416K |
| 代理商： | TDA6170X |
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Semiconductor Group
1
21.7.99
Satellite Sound IF
TDA6170X
with Wegener Expander
Data Sheet
BIPOLAR
1
Features
Fast I2C-bus controlled (max. 400 kHz)
PLL controlled sound IF tuning with
10 kHz stepwidth
Second order high-pass mixer input
IF MUX for 10.7 MHz
broad / small IF lters
Two identical high sensitive alignment free
FM demodulators
Original Wegener PANDA 1TM expander
Volume control for individual settings
50 s / 75 s / J17 de-emphasis for main
sound reception
Fully ESD protection
P-DSO-28
Package
2
Ordering Information
3
General Description
Multistandard satellite sound IF device consisting of a mixer and a voltage controlled oscillator (VCO) as a fre-
quency converter that can be continuously tuned in 10 kHz increments with crystal accuracy by means of a
PLL, two FM limiter ampliers with PLL FM demodulators followed by two Wegener PANDA1TM expanders.
The AF signal passes through two switches. Each switch can select the AF sources and the mono / stereo
mode the de-emphasis networks together with the two following volume control stages with audio buffers.
In front of one FM section an IF multiplexer is used to select the IF bandwidth.
The switching functions and settings of the PLL are controlled by an I2C-bus.
3.1
Application
For use in satellite receivers
Type
Package
Ordering Code
TDA6170X
P-DSO-28-1
Q67001-A5214
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