MX128 Просмотр технического описания (PDF) - MX-COM Inc

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MX128

Cordless Telephone Scrambler

MX-COM Inc  

Cordless Telephone Scrambler

5

3. External Components

MX128

SEE INSET

BELOW

XTAL 1

XTAL/CLOCK 2

N/C 3

TXOUT 4

SEE

FIG. 4

TX GAIN AMP OUT 5

TXIN 6

N/C 7

VSS 8

MX128

16 VDD

VDD

15 CLK SEL

14 CLR

C1

13

12

11

RXOUT

} RX GAIN AMP OUT

RXIN

SEE

FIG. 4

10 N/C

9

V

BIAS

INSET

XTAL 1

X1

R1

MX128

2

C2

C3 XTAL/CLOCK

10.24 MHz

3.58/3.6864 MHz

R1

1.0M 10%

R1

1.0M

10%

C1

0.47µF 20%

C1

0.47µF

20%

C2

22.0pF 20%

C2

33.0pF

20%

C3

22.0pF 20%

C3

47.0pF

20%

X1

10.24 MHz

X1 Note 1 3.58/3.6864 MHz

Figure 2: Recommended External Components

External Components Note:

1. For best results, a crystal oscillator should drive the clock inverter input with signal levels of at least

40% of VDD peak - peak. Tuning fork crystals generally cannot meet this requirement. To obtain

crystal oscillator design assistance, consult your crystal manufacturer.

©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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