參數(shù)資料
型號(hào)： TEA6822T-T
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO56
封裝： PLASTIC, SOT-190-1, VSOP-56
文件頁(yè)數(shù)： 8/48頁(yè)
文件大?。?/td> 351K
代理商： TEA6822T-T
1997 Feb 12
16
Philips Semiconductors
Preliminary specication
In Car Entertainment (ICE) car radio
TEA6820T; TEA6822T
Notes to the stereo decoder characteristics
1. The following equations give the values for the carrier and harmonic suppression at the output:
2. The stereo decoder can be set to mono via the I2C-bus. Pilot presence indication via the I2C-bus.
3. The nominal de-emphasis value can be changed to 75
s with C31; C32 = 10 nF.
4. The VCO is adjusted by means of a digital auxiliary PLL.
5. Noise blanker does not trigger.
6. Noise blanker triggers.
α
2
V
0 signal
() (at1kHz)
V
0 spurious
() (at 1 kHz)
------------------------------------------------------------------
=
f
s
2
10 kHz
×
() 19 kHz
–
=
α
3
V
0 signal
() (at 1 kHz)
V
0 spurious
() (at 1 kHz)
------------------------------------------------------------------
=
f
s
3
13 kHz
×
() 38 kHz
–
=
α
57 (ARI)
V
0 signal
() (at 1 kHz)
V
0 spurious
() at 1 kHz
23 Hz
±
()
-----------------------------------------------------------------------------------------------
=
α
67
V
0 signal
() (at 1 kHz)
V
0 spurious
() (at 9 kHz)
------------------------------------------------------------------
=
f
s
2
38 kHz
×
() 67 kHz
–
=
α
114
V
0 signal
() (at 1 kHz)
V
0 spurious
() (at 4 kHz)
------------------------------------------------------------------
=
f
s
110 kHz
3
38 kHz
×
()
–
=
α
190
V
0 signal
() (at 1 kHz)
V
0 spurious
() (at 4 kHz)
------------------------------------------------------------------
=
f
s
186 kHz
5
38 kHz
×
()
–
=
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