高性能离线式PWM开关电源电路

CSCHIP

晶源微电子

20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERAL DESCRIPTION The NEC LD7261 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-tosatellite communications transmitter. This is capable of delivering an output power of 250 W over the range of 18.0 to 21.7 GHz and provides a power gain of more than 40 dB

文件：60.71 Kbytes 页数：6 Pages

NEC

瑞萨

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, ROM MEMORY, LVD, WDG, TIMER

INTRODUCTION The ST7261, ST72P61 and ST72F61 devices are members of the ST7 microcontroller family designed for USB applications. All devices are based on a common industrystandard 8-bit core, featuring an enhanced instruction set. The ST7261 ROM and ST72P61 FASTROM (Factory Advanced Service Tec

文件：1.18867 Mbytes 页数：80 Pages

STMICROELECTRONICS

意法半导体

25W MONO AMPLIFIER WITH MUTE/ST-BY

DESCRIPTION The TDA7261 is class AB Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application in mono TV chassis ■ WIDE SUPPLY VOLTAGE RANGE (UP TO 50V ABS MAX.) ■ SPLIT SUPPLY ■ HIGH OUTPUT POWER: 25W @ THD =10, RL = 8Ω, VS = ±20V ■ NO

文件：133.75 Kbytes 页数：9 Pages

STMICROELECTRONICS

意法半导体