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JPH0557917A
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1991-08-29 |
1993-03-09 |
Seiko Epson Corp |
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1994-11-11 |
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1994-11-30 |
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1994-12-28 |
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1995-08-24 |
2000-02-15 |
Nortel Networks Corporation |
RF amplifier, RF mixer and RF receiver
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1996-03-29 |
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1996-06-26 |
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1997-05-01 |
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1998-11-30 |
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1998-12-25 |
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1998-12-25 |
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可変利得回路
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1998-12-31 |
2001-03-20 |
Nokia Mobile Phones, Limited |
Active radio frequency mixer circuit with feedback
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1999-02-05 |
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周波数変換回路
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1999-03-17 |
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電力制御回路および送信機
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1999-07-22 |
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2000-02-28 |
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2000-04-06 |
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2000-09-06 |
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2000-10-16 |
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2001-07-05 |
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2001-07-11 |
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Mixer having compensation for harmonics of local oscillator signal
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2001-09-10 |
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可変利得増幅器
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2001-09-28 |
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Variable gain mixer-amplifier with fixed DC operating voltage level
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2001-10-04 |
2006-01-10 |
Sequoia Corporation |
Direct synthesis transmitter
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2001-11-14 |
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通信用半導体集積回路
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2001-11-15 |
2005-08-03 |
Hitachi Ltd |
Direct-conversion transmitting circuit and integrated transmitting/receiving circuit
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直交ミキサ回路
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Jerng Albert C. |
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2001-12-21 |
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Infineon Technologies Ag |
Sendeanordnung für zeitkontinuierliche Datenübertragung
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2002-01-28 |
2007-07-11 |
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通信用半導体集積回路および無線通信装置
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JP3822503B2
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2002-02-01 |
2006-09-20 |
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可変利得増幅器及びこれを用いた直交変調器
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JP2003298355A
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2002-03-29 |
2003-10-17 |
Kawasaki Microelectronics Kk |
ミキサおよび差動アンプ
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2002-04-22 |
2005-10-25 |
Ipr Licensing Inc. |
Tunable upconverter mixer with image rejection
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2002-06-18 |
2006-09-05 |
Broadcom, Corp. |
Single side band transmitter having reduced DC offset
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2002-06-28 |
2004-01-01 |
Ching-Lang Lin |
Harmonic boost signals in up/down direct/super heterodyne conversions for advanced receiver/transmitter architecture
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FR2844066A1
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2002-08-28 |
2004-03-05 |
St Microelectronics Sa |
Procede de controle des courants de repos d'un dispositif de transposition de frequence du type a conversion directe, et dispositif correspondant
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JP2004159221A
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2002-11-08 |
2004-06-03 |
Renesas Technology Corp |
通信用半導体集積回路および無線通信システム
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WO2004057768A1
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2002-12-20 |
2004-07-08 |
Renesas Technology Corp. |
送信回路およびそれを用いた送受信機
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2003-02-24 |
2006-04-11 |
Sami Vilhonen |
Method and apparatus providing reduction in transmitter current consumption using signal derived from rectified input signal
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EP1469590A1
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2003-04-17 |
2004-10-20 |
STMicroelectronics Belgium N.V. |
Up convertor mixer linearisation
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US7107025B2
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2003-04-25 |
2006-09-12 |
Broadcom Corporation |
High gain, highly linear mixer
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US7266357B2
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2003-05-12 |
2007-09-04 |
Broadcom Corporation |
Reduced local oscillator feedthrough quadrature image reject mixer
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JP2004343164A
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2003-05-13 |
2004-12-02 |
Renesas Technology Corp |
通信用半導体集積回路および無線通信システム
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TWI224418B
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2003-06-05 |
2004-11-21 |
Ind Tech Res Inst |
Multi-band low-noise amplifier
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2003-06-10 |
2008-01-29 |
Nokia Corporation |
Multiband mixer
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DE10351606B3
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2003-11-05 |
2005-05-25 |
Infineon Technologies Ag |
Hochfrequenz-Mischeranordnung
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2003-11-20 |
2008-09-02 |
Nokia Corporation |
Reconfigurable transmitter with direct digital to RF modulator
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KR100687706B1
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2003-12-26 |
2007-02-27 |
한국전자통신연구원 |
Dc 옵셋성분이 제거되고 비대칭성이 개선된 트랜스컨덕터
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TWI242323B
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2004-02-12 |
2005-10-21 |
Airoha Tech Corp |
Gain control circuit and gain amplifier using the same
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2004-03-29 |
2007-03-06 |
Texas Instruments Incorporated |
Current mode transmitter
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2004-05-28 |
2008-06-03 |
Matsushita Electric Industrial Co., Ltd. |
Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion method
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2004-09-03 |
2009-11-10 |
Broadcom Corporation |
System and method for reducing phase distortion in a linear transmitter
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2004-09-30 |
2006-08-29 |
Silicon Laboratories Inc. |
Multi-stage variable gain amplifier utilizing overlapping gain curves to compensate for log-linear errors
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2005-11-03 |
2005-12-14 |
Analog Devices Inc |
Modulator
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2006-01-05 |
2007-07-06 |
St Microelectronics Srl |
Apparato modulatore operante a bassa tensione di alimentazione e relativo procedimento di modulazione
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