A passive-type even harmonic quadrature mixer using simple filter configuration for direct conversion receiver

Shimozawa, Mitsuhiro; Katsura, T.; Suematsu, Noriharu; Itoh, Kenji; Isota, Yoji; Ishida, Osami

doi:10.1109/mwsym.2000.861100

Cited by 19 publications

(3 citation statements)

References 8 publications

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“…Recently, DCRs have gained much interest from RF designers [2][3][4] due to their ability to convert and demodulate the received RF signal directly to baseband. The circuit complexity reduces significantly due to the elimination of IF circuitry and associated filters and generators.…”

Section: Introductionmentioning

confidence: 99%

A QPSK direct-conversion receiver for wireless communications

Karmakar

2004

Int J RF and Microwave Comp Aid Eng

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Section: Introductionmentioning

confidence: 99%

A QPSK direct-conversion receiver for wireless communications

Karmakar

2004

Int J RF and Microwave Comp Aid Eng

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“…RF port is tuned by external matching circuits. Load resistance of 1MQ is employed for improvement of the conversion voltage gain [7]. Figure 8 shows the conversion voltage gain versus LO power of the Si-MMIC active balanced CECCTP mixer.…”

Section: Introductionmentioning

confidence: 99%

A 2GHz Band Even Harmonic Type Si-MMIC Active Balanced CECCTP Mixer

Maeda

Taniguchi

Ono

et al. 2001

31st European Microwave Conference, 2001

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A novel even harmonic type Si-MMIC active balanced mixer using Common Emitter Common Collector Transistor Pair (CECCTP) is proposed. The mixer configuration has two technical features, a low second order distortion and a low second harmonic of LO. These features are confirmed by the simulated results and the measured results. Characteristics of the direct conversion mixer are also described with an experimental approach.

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“…Table 3 shows its parameters. It is better to select high value for the load resistance to improve the conversion loss of the mixer [7]. In this circuit 1 KR load resistance is a reasonable value.…”

Section: -2 Eh-mixermentioning

confidence: 99%

A novel wideband CDMA receiver

Rezaee

Mohammadi

Abdipour

15th International Conference on Microwaves, Radar and Wireless Communications (IEEE Cat. No.04EX824)

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This paper presents an even harmonic direct conversion receiver for WCDMA applications. The receiver uses a very low noise LNA to provide the gain and low noise requirements. A subharmonic pumping mixer converts the RF signal to the baseband signal. This cost effeive mixer is well suitedfor DC Ofset and even harmonics suppression. In order fo decrease the receiver size, some techniques such as reduced size branch line coupler and Wilkinson power divider with the lumped elements are used. The simulation results show that the specifications of proposed receiver ful/y s a t i~b the requirements o f the WCDMA receiver.

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A passive-type even harmonic quadrature mixer using simple filter configuration for direct conversion receiver

Cited by 19 publications

References 8 publications

A QPSK direct-conversion receiver for wireless communications

A QPSK direct-conversion receiver for wireless communications

A 2GHz Band Even Harmonic Type Si-MMIC Active Balanced CECCTP Mixer

A novel wideband CDMA receiver

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