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