25.5 to 76.5GHz active frequency tripler for automotive radar applications

Allen, Daniel J.; Bryant, D.; Gaiewski, W.R.

doi:10.1109/mwsym.2003.1210609

Cited by 10 publications

(2 citation statements)

References 5 publications

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“…The most notable feature in this architecture is lowering the local oscillation frequency down to 8.8 GHz by the integrated frequency triplers. [5][6][7] The circuit diagram of the frequency triplers is shown in Fig. 2.…”

Section: Architecture Of Ss Radar Systemmentioning

confidence: 99%

A 26 GHz Transceiver Chipset for Short Range Radar Using Post-Passivation Interconnection

Ujita

Kawai

Kaibara

et al. 2011

Jpn. J. Appl. Phys.

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We demonstrate a 26 GHz SiGe bipolar complementary metal oxide semiconductor (BiCMOS) transceiver chipset for short-range spread-spectrum (SS) radar system. The integrated frequency triplers lower the local oscillation frequency down to 8.8 GHz, and eliminate the carrier leak in the transmitting signal which enables high sensitivity. The on-chip balun connected to the mixer demodulating by the pseudo noise (PN) code in the receiver increases the dynamic range of the receiving signal. Low-loss transmission lines on Si substrate are fabricated by post-passivation interconnection process using thick benzocyclobutene (BCB). We have confirmed the transmitting signal having spread-spectrum with suppressing the carrier leak, the improvement of the dynamic range of the receiver, and the reduction of the transmission loss on Si substrate. We have demonstrated the operation of the 26 GHz ultra wide band (UWB) SS radar, corresponding to detecting a human located at 7 m away from the system.

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Section: Architecture Of Ss Radar Systemmentioning

confidence: 99%

A 26 GHz Transceiver Chipset for Short Range Radar Using Post-Passivation Interconnection

Ujita

Kawai

Kaibara

et al. 2011

Jpn. J. Appl. Phys.

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“…However, the performances as worse phase noise, low output power, and high dc power in the VCOs will degrade the communication quality, especially for the millimeter-wave band. To overcome the issues, the active frequency multiplier is an approach to generate a millimeter-wave signal from a lowfrequency signal with high-quality output phase noise [3][4][5][6]. For obtaining a low conversion loss and a high harmonic suppression, the harmonic current as a function of conduction angle of PHEMT device has been analyzed in [5] and [6].…”

Section: Introductionmentioning

confidence: 99%

A 20-to-60 GHz CMOS frequency tripler based on a BPSK modulator

Huang

Chen

Chang

et al. 2009

2009 Asia Pacific Microwave Conference

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A frequency tripler designed for V-band signal generation has been implemented by using CMOS 0.18 µm process. Based on the circuit topology of differential binary phase shift keying (BPSK) modulator, a function of frequency triplication can be performed under the operation modes of class-AB and class-C when choosing the proper biases on the NMOS devices. For achieving a large 60 GHz output signal, the compact impedance matching network based on the imbalanced transmission-line is also used to the output port. The tripler exhibits a measured conversion loss about 9.4 dB under a 2 dBm injected power with a dc power consumption of 16 mW from a 2 V dc supply. The output 3-dB bandwidth is around 7 GHz ranging from 56 to 63 GHz, and the maximum output power can be operated up to -7 dBm. The suppression ratios for fundamental and second harmonics are exhibited up to 17 dBc and 25 dBc, respectively. The BPSK digital modulation at 60 GHz is also demonstrated with a data rate of 1 Gbps.

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