參數(shù)資料
型號： TEA6886
廠商： NXP Semiconductors N.V.
英文描述： Up-level Car radio Analog Signal Processor CASP
中文描述： 截至級車電臺模擬信號處理器支持核心計劃
文件頁數(shù)： 12/92頁
文件大?。?/td> 376K
代理商： TEA6886
2000 Nov 21
12
Philips Semiconductors
Product specification
Up-level Car radio Analog Signal
Processor (CASP)
TEA6886HL
7.5.2
L
OUDNESS
The output of the source selector is fed into the loudness
circuitviatheexternalcapacitorC
KVL
(betweenpinsLOPO
and LOPI) and C
KVR
(between pins ROPO and ROPI).
Depending on the external circuits for the left and the right
channel, only a bass boost or bass and treble boost is
available.TheexternalcircuitsillustratedinFigs 13and 15
will produce the curves illustrated in Figs 14 and 16
(without the influence of C
KVL
and C
KVR
respectively).
7.5.3
V
OLUME
1
The volume 1 control circuit follows the loudness circuit.
The control range of volume 1 is between +20 and
36 dB
in steps of 1 dB.
7.5.4
T
REBLE
The output signal of the volume 1 control circuit is fed into
the treble control stage. The control range is between
+14 and
14 dB in steps of 2 dB. Fig.20 shows the control
characteristic with external capacitors of 10 nF.
7.5.5
B
ASS
Thebasscontrolisthenextstage.Thecharacteristicofthe
bass curves depends upon the external circuits connected
to pins LBO and LBI (left channel) and pins RBO and RBI
(rightchannel)andalsouponthesettingofbitBSYM(MSB
of the bass control byte). When BSYM = 1, an equalizer
characteristic is obtained and when BSYM = 0, a shelving
characteristic is obtained.
Figures 17 and 18 show the bass curves with an external
circuit of 2
×
220 nF capacitors and a resistor of 3.3 k
for
each channel with different values for BSYM. Figure 19
shows the bass curves with an external capacitor of 47 nF
for each channel and BSYM = 0, for boost and cut.
7.5.6
V
OLUME
2
The four volume 2 blocks are located at the end of the
tone/volume control. In addition to volume control (same
settings as volume 2) the balance and fader functions are
alsoperformedbyindividualattenuationoffsetsforthefour
attenuators. The control range of these attenuators is
56 dB in steps of 1 dB and the additional steps of
58.5 dB,
62 dB,
68 dB, and a mute step.
7.5.7
RSA
SELECTOR
The RSA selector provides the possibility to select an
alternative source for the rear channels. In this event rear
channels are only controlled by the volume 2 function.
7.5.8
C
HIME ADDER
The chime adder circuit enables the chime input signal to
be summed with the left front and/or right front audio, or be
turned off.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TEA6886HL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Up-level Car radio Analog Signal Processor CASP
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TEA6R8M1HBK-0512P 功能描述:鋁質(zhì)電解電容器 - 帶引線 50V 6.8uF 20% RoHS:否 制造商:Kemet 引線類型: 電容:220 uF 容差:20 % 電壓額定值:25 V 工作溫度范圍: 端接類型:Radial 外殼直徑:8 mm 外殼長度:11 mm 引線間隔:5 mm 產(chǎn)品:General Purpose Electrolytic Capacitors 封裝:Bulk
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