This paper presents a 20–32-GHz wideband BiCMOS mixer with an IF bandwidth of 12 GHz. The mixer utilizes an inductive peaking technique to extend the bandwidth of the downconverted IF signal. To our knowledge, the proposed mixer achieves the widest IF bandwidth using silicon-based technologies in -band. Analytical expressions for the conversion gain and output noise of the proposed mixer are pr...

A room-temperature Schottky diode-based WM-86 (WR-0.34) harmonic mixer was developed to build high-resolution spectrometers, and multipixel receivers in the terahertz (THz) region for applications such as radio astronomy, plasma diagnostics, and remote sensing. The mixer consists of a quartz-based local oscillator (LO), intermediate-frequency (IF) circuits, and a GaAs-based beam-lead THz circui...

A low transmission loss, simple mechanical structure, and broadband waveguide-to-microstrip line transducer has been developed with a polytetrafluoroethylene printed circuit board. This can fully cover the V-band, E-band, and W-band, and the transmission losses are typically 0.68 dB, 0.86 dB, and 0.78 dB, respectively, at the center frequency of each band. The transducer in the W-band was alrea...

This work presents the design of a low power upconversion mixer adapted in medical remote sensing such as wireless endoscopy application. The proposed upconversion mixer operates in ISM band of 433 MHz. With the carrier power of -5 dBm, the proposed mixer has an output inferred 1 dB compression point of -0.5 dBm with a corresponding output third-order intercept point (OIP3) of 7.1 dBm. The desi...

A CMOS low-noise amplifier (LNA) and mixer for a GPS front end is described. At 1.586Ghz the LNA minimum noise figure (NF) is 2.8dB, input third order intercept point (IIP3) is 2.45dB and forward gain is 30dB. With a 1.573Ghz local oscillator (LO) and a 1.586Ghz RF input the mixer minimum NF is 6.1dB, IIP3 is 12dB and a conversion gain of -3dB. The LNA and mixer consume 58mW of power from a 1.8...

Hybrid composites are characterized by a variety of properties that are of interest to automotive applications, including strength, mechanical, and thermal properties. In this work, palm kernel shell-filled maleated polypropylene composites and palm kernel shell/nanosilica-filled maleated polypropylene hybrid composites were produced using a Brabender Internal Mixer. The results showed that the...

In this work TiNi-based nanocrystalline alloys and composite were produced by mechanical alloying process with subsequent annealing at 750 ◦C for 0.5 h. Mechanical alloying was performed in a SPEX 8000 Mixer Mill. TiNi alloy was chemically modi ed by Ag elemental powder. Silver content equaled 5 wt%. X-ray di raction analyses revealed formation of TiNi main phase after annealing. Additionally, ...

A 2.4 GHz CMOS up-conversion mixer using novel current mirrors based on chartered 0.18 μm RF CMOS technology for 2.4 GHz wireless sensor network (WSN) application is presented in this paper. The current-reuse current-mirror and current-bleeding technique are used in the driver and switching stages of the mixer, respectively. The post-layout simulation results demonstrate that the novel up-conve...

A double balanced Gilbert-cell class-A amplifier bleeding mixer (DBGC CAAB mixer) is proposed and implemented. The injection current is utilized to amplify the local oscillator (LO) signal to improve the performance of the transconductor stage. The DBGC CAAB mixer achieves a conversion gain of 17.5 dB at −14 dBm LO power, and the noise figure is suppressed from 45 dB to 10.7 dB. It is important...

In this paper a low power CMOS sub-harmonic mixer based on the Gilbert cell for 2.4 GHz ISM band application is presented, in which the position of the switching and transconductance stages of mixer has been exchanged. A tuning out inductor has been used between the RF and LO switching stages to improve the linearity and noise figure, and also to enhance the conversion gain of the Mixer. The ut...