A Two-Emitter Transistor with a High Adjustable Alpha

Rutz, R. F.

doi:10.1109/jrproc.1955.278149

Cited by 2 publications

(2 citation statements)

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“…27 and the size of the devices and component values used in the circuit are listed in Table 5. The inductors used are from the process library provided by UMC and the required (24) FoM 1 = 10.log 10 10 Gain∕20 ⋅ 10 IIP3∕20 10 NF∕10 .P diameter, width, number of turns for achieving the inductance value is specified in Table 5. The input and output waveforms are shown in Figs.…”

Section: Resultsmentioning

confidence: 99%

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A 219-µW ultra-low power low-noise amplifier for IEEE 802.15.4 based battery powered, portable, wearable IoT applications

Gladson¹,

Narayana

Thenmozhi

et al. 2021

SN Appl. Sci.

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Due to the increased processing data rates, which is required in applications such as fifth-generation (5G) wireless networks, the battery power will discharge rapidly. Hence, there is a need for the design of novel circuit topologies to cater the demand of ultra-low voltage and low power operation. In this paper, a low-noise amplifier (LNA) operating at ultra-low voltage is proposed to address the demands of battery-powered communication devices. The LNA dual shunt peaking and has two modes of operation. In low-power mode (Mode-I), the LNA achieves a high gain ($$S21$$ S 21 ) of 18.87 dB, minimum noise figure ($${NF}_{min.}$$ NF m i n . ) of 2.5 dB in the − 3 dB frequency range of 2.3–2.9 GHz, and third-order intercept point (IIP3) of − 7.9dBm when operating at 0.6 V supply. In high-power mode (Mode-II), the achieved gain, NF, and IIP3 are 21.36 dB, 2.3 dB, and 13.78dBm respectively when operating at 1 V supply. The proposed LNA is implemented in UMC 180 nm CMOS process technology with a core area of $$0.40{\mathrm{ mm}}^{2}$$ 0.40 mm 2 and the post-layout validation is performed using Cadence SpectreRF circuit simulator.

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Section: Resultsmentioning

confidence: 99%

“…The difference between the input signal ( V in ) and the feedback signal is the error signal ( V e ). The characteristics of positive feedback in circuits and its subsequent effect on impedance and gain has been reported in [22][23][24][25][26]. In Fig.…”

Section: Proposed Low-noise Amplifier Topologymentioning

confidence: 99%