ii ABSTRACT High-power short electrical pulses are important for high-performance functionality integration, such as the development of microelectromechanical/nanoelectromechanical systems (MEMS/NEMS), system on chip (SoC) and lab on chip (LoC). Many of these applications need high-power (low impedance load) short electrical pulses, in addition to CMOS digital intelligence. Therefore, it is of ...

A high-speed direct-coupled discriminator utilizing emittercoupled integrated circuits is described. The threshold is continuously adjustable between -150 mV and -1.15 V, the pulse pair resolution is 10 nsec, and the maximum continuous repetition rate is 92 MHz. Two modes of operation, clipped and dc , are provided; output widths in the clipped mode are 5 nsec, 10 nsec, or 15 nsec. The use of i...

This article presents a wideband bias circuit with low parasitic inductance for high-power pulsed amplifiers. The proposed works similarly to the traditional in that it can ensure transmission of microwaves from power amplifier load while preventing supply. By making line shorter and wider than circuit, reduces its inductance. reduction parameters is critical reducing drain voltage overshoot pu...

A compact chaos generator core circuit has been designed, fabricated, and tested. It generates PWM and PPM (pulse width and phase modulation) signals that follow arbitrary nonlinear analog dynamics. The measurement results show that PWM/PPM chaotic signals are generated at 1 MHz with a calculation precision of 6.7 bits at a supply voltage of 3.3 V. The circuit can be used for large-scale integr...

An in-circuit diagnostic test structure triggered by a light pulse captures logic states on-chip with picosecond timing accuracy, and the results read out via a scan chain thus providing precise logic transition time information from deep inside the chip, greatly aiding failure analysis. The method could also make time measurement of switching events inside an IC when it is mounted in a printed...

In this paper we propose two buffer circuits for footed domino logic circuit. It minimizes redundant switching at the output node. These circuits prevent propagation of precharge pulse to the output node during precharge phase which saves power consumption. Simulation is done using 0.18μm CMOS technology. We have calculated the power consumption, delay and power delay product of proposed circui...

In this paper, a CMOS realization of the current differencing transconductance amplifier in the low voltage is presented. CDTA circuit can operate in supply rails down to ±0.75V. The low voltage CDTA performs low power consumption and tuning over a wide current range. The proposed circuit is employed in monostable multivibrator using single CDTA with a few external components. The proposed circ...

We study the limiting-amplification capability of a saturated Semiconductor Optical Amplifier (SOA) followed by an optical band-pass filter. We experimentally demonstrate that this simple optical circuit can be effectively exploited to realize a low-power optical limiter for amplitude-modulated pulse trains at multi-GHz repetition rate. We report very large amplitude-modulation-reduction factor...

This paper presents pulse-coupled two bifurcating neurons. The single neuron is represented by a spike position map and the coupled neurons can be represented by a composition of the spike position maps. Using the composite map, we can analyze basic bifurcation phenomena and can find some interesting phenomena that are caused by the pulse-coupling and are impossible in the single neuron. Presen...

This paper proposes a signal processing methodology of communication system and realized that circuits using operational transconductance amplifier (OTA). Two important classes of communication circuit, delta modulator and compander have been designed using that procedure. In the first implementation coded pulse modulation system is demonstrated which employ sampling, quantizing and coding to c...