DDR Memory Power Supply Controller

Description The SC1480 is a single output, constant on-time synchronous-buck, pseudo-fixed frequency, PWM controller intended for use in notebook computers and other battery operated portable devices. Features include high efficiency and fast dynamic response with no minimum on time, a reference

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SEMTECH

先之科

RF & MICROWAVE TRANSISTORS VHF APPLICATIONS

DESCRIPTION The SD1480 is a common emitter 28 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF communications applications. This internally matched device incorporates diffused emitter ballasting resistors nad provides high gain and stable operation across the entire 1

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STMICROELECTRONICS

意法半导体

NPN SILICON RF POWER TRANSISTOR

DESCRIPTION: The ASI SD1480 is Designed for Class C, 28 V High Band Applications up to 175 MHz. FEATURES: • Internal Input Matching Network • Common Emitter • PG = 9.0 dB at 125 W/175 MHz • Omnigold™ Metalization System

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ASI

CRYSTAL CLOCK OSCILLATORS

Description The SH-B1480 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SH-B1480 units with a logic “1 or open enables its Pin 4 output. In the disable mode, Pin 4 presents a high impedance to the loa

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NEL