參數(shù)資料
型號(hào): BU8244F
廠商: Rohm CO.,LTD.
英文描述: Cross point mixer for telephones
中文描述: 交叉點(diǎn)的電話混合器
文件頁(yè)數(shù): 8/11頁(yè)
文件大?。?/td> 215K
代理商: BU8244F
273
Communication ICs
BU8241F / BU8241FS / BU8242F / BU8244F
Selecting attached components
1) Components related to power supply and bias
C602: V
DD
bias capacitor; normally 10
μ
F
C603: VB decoupling capacitor; normally 10
μ
F
2) Components related to input pins
C605 to C612: DC cutoff capacitor. A value should be
selected which does not attenuate voice
signals in the high band (300 Hz
R605 to R612: Resistor which sets the input level. This
should normally be left open.
The constants shown in Figure 8 are set
to match the oscillator output imped-
ance.
).
3) Components related to output pins
C613 to C620: DC cutoff capacitor. A value should be
selected which does not attenuate voice
signals in the high band (300 Hz
R613 to R620: Output load resistors. This should nor-
mally be left open.
If using R615 to R620, select values that
result in a total input impedance of 10k
or greater on the output side. If the total
impedance is less than 10k
, the load
on the output amplifier of the cross-point
mixer will be excessive, and signals
may be lost.
).
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