电量计芯片

Chipsea

芯海科技

QPSK Transmitter for Cable TV

Overview The LA7790M is a QPSK data transmitter for digital cable TV applications. By integrating the I/Q quadrature modulator, RF amplifier, electronic volume control, mute control, and other functions onto a single chip, parts count is reduced and set size is miniaturized. Features • Maximum

文件：174.19 Kbytes 页数：14 Pages

SANYO

三洋

Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller

General Description The LD7790 features transition mode Power Factor correction (PFC) controller and Quasi-Resonant (QR) current mode controller for cost effective and fewer external components design of high power application. The intelligent PFC switching ON/OFF, zero current detection (ZC

文件：1.70179 Mbytes 页数：27 Pages

LEADTREND

通嘉科技

Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller

General Description The LD7790 features transition mode Power Factor correction (PFC) controller and Quasi-Resonant (QR) current mode controller for cost effective and fewer external components design of high power application. The intelligent PFC switching ON/OFF, zero current detection (ZC

文件：1.70179 Mbytes 页数：27 Pages

LEADTREND

通嘉科技