MX128 Просмотр технического описания (PDF) - MX-COM Inc
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MX128 Datasheet PDF : 10 Pages
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Cordless Telephone Scrambler
2. Signal List
Pin No.
1
2
Signal
Xtal
Xtal/Clock
4
TXOUT
5
TX Gain Ampout
6
TXIN
8
VSS
9
VBIAS
11
RXIN
12
RX Gain Ampout
13
RXOUT
14
CLR
15
Clock Select
16
VDD
3, 7, 10
N/C
4
MX128
Type
output
input
output
output
input
power
output
input
output
output
power
Description
This is the output of the clock oscillator inverter
A 10.24 MHz, 3.58/3.6864 MHz, or an externally derived clock
signal is injected at this pin. See Figure 3
This is the analog output of the transmit channel. It is internally
biased at VDD/2
This is the output pin of the transmit channel gain adjusting op-
amp. See Figure 4 for gain setting components
This is the analog signal input to the transmit channel. This input
is to a gain adjusting op-amp whose gain is set by internal
components. See Figure 4.
Negative supply (GND)
This is an internally generated bias voltage output (VDD/2)
This is the analog signal input to the receive channel. This input is
to a gain adjusting op-amp whose gain is set by internal
components. See Figure 4.
This is the output pin of the receive channel gain adjusting op-
amp. See Figure 4 for gain setting components
This is the analog output of the receive channel. It is internally
biased at VDD/2
A logic 1 on this input selects the invert mode. A logic 0 selects
the clear (not inverted) mode
Selects either 10.24 or 3.58/3.6864 MHz clock frequency. A logic
“1” selects 10.24 MHz, and a logic “0” selects 3.58/3.6864 MHz.
This input is internally pulled high
Positive supply of 3.0V to 5.5 V
No internal connections
©1998 MX-COM Inc.
www.mxcom.com Tel: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480101.010
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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