TQ9223B

The TQ9223B is designed as one kind of 3V low-current downconverter ic,and it is produced by Triquint Semiconductor,inc.The TQ9223B 3V RFIC downconverter is an RF receiver ic front end designed for the high dynamic range cellular communications standards.The TQ9223B provides a 2.8 dB system noise figure for excellent sensitivity,and a good signal range with -11 dBm input IP3.Its low current consumption,single +3V operation and small,plastic surface-mount package are ideally suited for cost-competitive,space-limited and portable applications.The TQ9223B will operate over an RF frequency range of 800 to 1000MHz,and therefore may be used for any of the cellular and cordless telephony standards.

Features of the TQ9223B can be summarized as:(1)+3-V single supply;(2)on-chip LO buffer;(3)mixer LO and RF matched to 50;(4)low-cost SO-14 plastic package;(5)gain select(high/low).Also it can be used in analog cellular phones,digital cellular phones and cordless telephones and CDPD terminals.If you want to know more information about it,please download the datasheet in www.seekic.com and www.chinaicmart.com