I/Q transmit modulator

DESCRIPTION The SA900 is a monolithic high performance, multi-function transmit modulator for use in cellular radio applications, fabricated in QUBiC BiCMOS technology. The SA900 features both analog (AMPS) mode and complex, I/Q digital (NADC IS–136) mode quadrature modulation functions, a PLL sy

文件：173.31 Kbytes 页数：20 Pages

PHI

飞利浦

900 MHz transmit modulator and 1.3 GHz fractional-N synthesizer

DESCRIPTION This specification defines the requirements for a transmitter modulator and fractional–N synthesizer IC to be used in cellular telephones which employ the North American Dual Mode Cellular System (IS–136). FEATURES • Low current from 3.75V supply • Low phase noise • Main loop with

文件：151.91 Kbytes 页数：23 Pages

PHI

飞利浦

900 MHz transmit modulator and 2.2 GHz fractional-N synthesizer

DESCRIPTION This specification defines the requirements for a transmitter modulator and fractional–N synthesizer IC to be used in cellular telephones which employ the North American Dual Mode Cellular System (IS–136). FEATURES • Low current from 3.75V supply • Low phase noise • Main loop with

文件：134.99 Kbytes 页数：23 Pages

PHI

飞利浦

TRANSZORB® Transient Voltage Suppressors

FEATURES • Glass passivated chip junction • Available in uni-directional and bi-directional • 500 W peak pulse power capability with a 10/1000 µs waveform, repetitive rate (duty cycle): 0.01 • Excellent clamping capability • Very fast response time • Low incremental surge resistance • Sold

文件：117.8 Kbytes 页数：7 Pages

VishayVishay Siliconix

威世威世科技公司

TRANSZORB Transient Voltage Suppressors

FEATURES • Glass passivated chip junction • Available in uni-directional and bi-directional • 500 W peak pulse power capability with a 10/1000 µs waveform, repetitive rate (duty cycle): 0.01 • Excellent clamping capability • Very fast response time • Low incremental surge resistance • Sold

文件：96.34 Kbytes 页数：6 Pages

VishayVishay Siliconix

威世威世科技公司

TRANSZORB Transient Voltage Suppressors

FEATURES • Glass passivated chip junction • Available in uni-directional and bi-directional • 500 W peak pulse power capability with a 10/1000 µs waveform, repetitive rate (duty cycle): 0.01 • Excellent clamping capability • Very fast response time • Low incremental surge resistance • Sold

文件：96.34 Kbytes 页数：6 Pages

VishayVishay Siliconix

威世威世科技公司

5.0 thru 170 volts 500 Watts Transient Voltage Suppressors

DESCRIPTION: This Transient Voltage Suppressor is an economical, molded, commercial product used to protect voltage sensitive components from destruction or partial degradation. The response time of their clamping action is virtually instantaneous (1 x 10-12 seconds) and they have a peak pulse po

文件：77.98 Kbytes 页数：5 Pages

Microsemi

美高森美

DEVICES FOR BIPOLAR APPLICATIONS

Features • Glass passivated junction. • 500W Peak Pulse Power capability on 10/1000 µs waveform. • Excellent clamping capability. • Low incremental surge resistance. • Fast response time; typically less than 1.0 ps from 0 volts to BV for unidirectional and 5.0 ns for bidirectional. • Typical

文件：56.96 Kbytes 页数：5 Pages

Fairchild

仙童半导体

Transient Voltage Suppressors

Features • Glass passivated junction. • 500W Peak Pulse Power capability on 10/1000 µs waveform. • Excellent clamping capability. • Low incremental surge resistance. • Fast response time; typically less than 1.0 ps from 0 volts to BV for unidirectional and 5.0 ns for bidirectional. • Typical

文件：85.09 Kbytes 页数：4 Pages

Fairchild

仙童半导体

Transient Voltage Suppressors

Features • Glass passivated junction. • 500W Peak Pulse Power capability on 10/1000 μs waveform. • Excellent clamping capability. • Low incremental surge resistance. • Fast response time; typically less than 1.0 ps from 0 volts to BV for unidirectional and 5.0 ns for bidirectional. • Typical

文件：239.05 Kbytes 页数：6 Pages

ONSEMI

安森美半导体