CGY2021G

INTEGRATED CIRCUITS DATA SHEET CGY2021G DCS/PCS 2 W power amplifier Preliminary specification Supersedes data of 1996 Oct 15 File under Integrated Circuits, IC17 1997 Apr 03 Philips Semiconductors Preliminary specification DCS/PCS 2 W power amplifier FEATURES Power Amplifier (PA) overall efficiency 50% (DCS) 34 dB gain 0 dBm input power Gain control range >50 dB Integrated power sensor driver Low output noise floor of PA <−121 dBm/Hz in DCS/PCS RX band Wide operating temperature range −20 to +85 °C LQFP 48-pin package Compatible with power ramping controller PCA5077 and GaAs PA power modulator UBA1710. APPLICATIONS Hand-held transceivers for DCS/PCS applications (DCS: 1710 to 1785 MHz and PCS: 1850 to 1910 MHz) 1800 MHz Time Division Multiple Access (TDMA) systems. QUICK REFERENCE DATA SYMBOL VDD IDD Po(max) Tamb Note 1. For conditions, see Chapters “AC characteristics” and “DC characteristics”. ORDERING INFORMATION TYPE NUMBER CGY2021G PACKAGE NAME LQFP48 DESCRIPTION plastic low profile quad flat package; 48 leads; body 7 × 7 × 1.4 mm PARAMETER(1) positive supply voltage positive peak supply current maximum output power operating ambient temperature − − − −20 MIN. TYP. 4.5 1.4 34 − − − − +85 GENERAL DESCRIPTION CGY2021G The CGY2021G is a DCS/PCS class 1 GaAs Monolithic Microwave Integrated Circuit (MMIC) power amplifier specifically designed to operate at 4.8 V battery supply. The chip also includes a power sensor driver so that no directional coupler...