NPN/PNP COMPLEMENTARY SILICON PLANAR EPITAXIAL TRANSISTORS

文件：179.96 Kbytes 页数：3 Pages

CDIL

5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters

General Description The MAX639/MAX640/MAX653 step-down switching regulators provide high efficiency over a wide range of load currents, delivering up to 225mA. A current-limiting pulse-frequency-modulated (PFM) control scheme gives the devices the benefits of pulse-width-modulated (PWM) converter

文件：166.91 Kbytes 页数：12 Pages

MAXIM

美信

Low voltage mixer FM IF system with filter amplifier and data switch

DESCRIPTION The SA639 is a low-voltage high performance monolithic FM IF system with high-speed RSSI incorporating a mixer/oscillator, two wideband limiting intermediate frequency amplifiers, quadrature detector, logarithmic received signal strength indicator (RSSI), fast RSSI op amps, voltage re

文件：226.43 Kbytes 页数：16 Pages

PHI

PHI

Low voltage mixer FM IF system with filter amplifier and data switch

DESCRIPTION The SA639 is a low-voltage high performance monolithic FM IF system with high-speed RSSI incorporating a mixer/oscillator, two wideband limiting intermediate frequency amplifiers, quadrature detector, logarithmic received signal strength indicator (RSSI), fast RSSI op amps, voltage re

文件：226.43 Kbytes 页数：16 Pages

PHI

PHI