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Block upconverter

Known as: Block Up Converter, Upconverter 
A block upconverter (BUC) is used in the transmission (uplink) of satellite signals. It converts a band of frequencies from a lower frequency to a… 
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Papers overview

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Highly Cited
2008
Highly Cited
2008
This paper presents Schottky barrier diode circuits fully integrated in a 0.13- mum SiGe BiCMOS process technology. A… 
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Highly Cited
2008
Highly Cited
2008
Impairments in the analog quadrature modulator can adversely impact the performance of a digital predistortion linearization… 
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Highly Cited
2008
Highly Cited
2008
A noise-shaped direct digital IF to RF (DIF2RF) DAC with embedded upconverter mixer is presented. The digital IF signal is noise… 
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Highly Cited
2006
Highly Cited
2006
Transmitter circuits using large signal swings and hard-switched mixers are power-efficient, but also produce unwanted harmonics… 
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2003
2003
Impairments in the analog quadrature modulator can adversely impact the performance of a digital predistortion linearization… 
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Highly Cited
2003
Highly Cited
2003
Transparent 0.1ErF3–0.1YbF3–5LaF3–94.8SiO2 (mol%) glass-ceramics was prepared by sol–gel method. Efficient upconversion emissions… 
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Highly Cited
1998
Highly Cited
1998
A single-chip transceiver for frequency-hopped code division multiple access (CDMA) in the 900 MHz industrial, scientific and… 
1998
1998
An upconverter and two driver amplifiers for CDMA/AMPS cellular/PCS wireless transmitters are presented. The upconverter has two… 
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Highly Cited
1991
Highly Cited
1991
A single-chip solution for a GSM (Group Special Mobile) 900-MHz RF TX quadrature modulator and RX quadrature demodulator was… 
1971
1971
The increased communications demands of a rapidly expanding technology are requiring the systems designer to look to higher…