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NJM2593 数据表(PDF) 7 Page - New Japan Radio

部件名 NJM2593
功能描述  50MHz INPUT MIXER AND 450kHz FM IF DEMODULATOR IC
PDF  16 Pages
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制造商  NJRC [New Japan Radio]
网页  http://www.jrc.co.jp/eng/index.html
标志 NJRC - New Japan Radio

NJM2593 数据表(HTML) 7 Page - New Japan Radio

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NJM2593
Ver.2004-08-25
-7-
Pin No.
SYMBOL
EQUIVARENT CIRCUIT
VOLTAGE
FUNCTION
8
FSK VREF2
0.44V
FSK Reference Voltage Output
This pin usually keeps open.
This fixed output voltage may be
available for the FSK reference
voltage of wave shaping comparator
by connecting to pin7. This usage
is effective in shaping the data
signal with continuous bits of the
same polarity, and discussed in
another document related to
applications information.
9
IF OUT
1.14V
IF Output
An external phase - shifting
capacitor is connected between
pin9 and pin10.
10
QUAD IN
1.99V
Quadrature Detector Input
An external phase - shifting coil or
ceramic discriminator is connected.
11
AF OUT
0.44V
FM Demodulated Signal Output
An external 3rd order multiple feed
- back filter (RC filter) is connected
between pin11 and pin13.
V+
8
9
V+
10
V+
11
V+



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