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MAS1178ATC1

IC FOR 10.00 – 20.00 MHz VCXO

Micro Analog Systems Oy 

This is preliminary information on a

new product under development.

Micro Analog Systems Oy reserves

the right to make any changes

without notice.

DA1178.006

13 July, 2006

MAS1178

IC FOR 10.00 – 20.00 MHz VCXO

• Low Power

• Wide Supply Voltage Range

• Square Wave Output

• Very High Level of Integration

• Electrically Trimmable

• Very Low Phase Noise

• Low Cost

DESCRIPTION

The MAS1178 is an integrated circuit well suited to

build VCXO for mobile communication. The

trimming is done by a serial bus and the calibration

information is stored in an internal PROM.

To build a VCXO only one additional component, a

crystal is needed.

FEATURES

• Very small size

• Minor current draw

• Wide operating temperature range

• Phase noise <-130 dBc/Hz at 1 kHz offset

• Square wave output

APPLICATIONS

• VCXO for mobile phones

• VCXO for other telecommunications systems

BLOCK DIAGRAM

VC

DA

CLK

PV

VDD

Digital

VSS

6

X1

MAS1178

OUT

X2

XO1

1 (5)

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