直接变换QPSK调制器，带有VGA及PA驱动器，用于1.7GHz至2.5GHz应用

The MAX2720/MAX2721 are low-cost, high-performance, direct I/Q modulators designed for use in wideband-CDMA and wireless local-loop (WLL) systems. Their direct-upconversion architecture reduces system cost, component count, and board space compared to devices with dual-conversion architectures.\n Th \n• 1.7GHz to 2.1GHz (MAX2720) \n• Integrated I/Q Modulator, LO Doubler, VGA, and PA Driver \n• 35dBc Sideband Suppression \n• Low Supply Current\n• 20mA Reduction with PA Driver Disabled\n• +2.7V to +3.3V Single-Supply Operation;

ADI

亚德诺

1.7GHz to 2.5GHz, Direct I/Q Modulator with VGA and PA Driver

General Description The MAX2720/MAX2721 are low-cost, high-performance, direct I/Q modulators designed for use in wideband CDMA and wireless local-loop (WLL) systems. Their direct-upconversion architecture reduces system cost, component count, and board space compared to devices with dual-convers

文件：319.36 Kbytes 页数：24 Pages

Maxim

美信

900MHz DSSS RF to Digital Transceiver Chipset

Micro Linear has developed a single IC radio, the ML2721. The very high level of integration absorbs all the circuits either difficult to design or those that require production alignment. Adding just an external RF switch makes a complete radio with a digital control interface. On receive, the in

文件：96.63 Kbytes 页数：2 Pages

MICRO-LINEAR

Low IF Digital Cordless Transceiver

GENERAL DESCRIPTION The ML2721 can be used as a single chip digital cordless telephone transceiver or general purpose Frequency Shift Keying (FSK) radio transceiver. It is designed to work in the 902 to 928MHz ISM band under FCC Part 15 regulations. The device integrates all the frequency generat

文件：298.56 Kbytes 页数：27 Pages

MICRO-LINEAR

Low IF Digital Cordless Transceiver

GENERAL DESCRIPTION The ML2721 can be used as a single chip digital cordless telephone transceiver or general purpose Frequency Shift Keying (FSK) radio transceiver. It is designed to work in the 902 to 928MHz ISM band under FCC Part 15 regulations. The device integrates all the frequency generat

文件：298.56 Kbytes 页数：27 Pages

MICRO-LINEAR