High Efficiency Single Synchronous Buck PWM Controller

文件：816.45 Kbytes 页数：18 Pages

RICHTEK

立锜科技

900 MHz BAND DIRECT QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The µPC8126K is a silicon monolithic integrated circuit designed as quadrature modulator for digital mobile communication systems. This IC integrates a pre-mixer for local signals plus a quadrature modulator operating from 889 MHz to 960 MHz. The chip which has been conventionally pac

文件：189.96 Kbytes 页数：20 Pages

NEC

瑞萨

RF UP-CONVERTER WITH AGC FUNCTION IF QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The µPC8158K is a silicon microwave monolithic integrated circuit designed as quadrature modulator for digital mobile communication systems. This MMIC consists of 0.8 GHz to 1.5 GHz up-converter and 100 MHz to 300 MHz quadrature modulator which are equipped with AGC and power save fun

文件：126.48 Kbytes 页数：12 Pages

NEC

瑞萨

Single Chip Transceiver Silicon MMIC for PHS

DESCRIPTION The µPC8139GR-7JH is a silicon microwave monolithic IC (SiMMIC) developed as a transceiver for Personal Handyphone System (PHS). This IC is a highly integrated single chip, suitable for PHS, including a quadrature modulator, up converter, and AGC circuit for adjusting the output leve

文件：223.47 Kbytes 页数：20 Pages

NEC

瑞萨