Description

The CXA1999N is a low current consumption FM IF amplifier which employs the newest bipolar

process. It is suitable for M-ary FSK pagers.

Features

• Low current consumption: 1.16 mA(typ. at VCC= 1.4 V)

• Low voltage operation: VCC= 1.1 to 4.0 V

• Small package 20-pin SSOP

• Second mixer and oscillator

• Needless of IF decoupling capacitor

• Reference power supply for operational amplifier and comparator

• IF input, VCCstandard

Applications

• M-ary FSK pagers

• Double conversion pagers