منابع مشابه
Digitally Programmable Voltage-Mode Universal Biquadratic Filter
A single input multi-output voltage mode universal biquadratic filter has been presented. The circuit incorporates digital programmability employing three plus-type differential voltage current conveyors (DVCCs), two grounded capacitors and three resistors. The circuit exhibits high input impedance realizes all the standard filter functions having orthogonal control of cut-off frequency and qua...
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A realization of the CMOS digitally programmable current follower (DP-CF) suitable for low-voltage high-frequency application is presented. To achieve very low input resistance, it is realized using a modification of a low-input resistance stage as an input stage. To achieve the precise digital control of the current gain, the current division technique is used. The proposed DP-CF can operate w...
متن کاملComparison of two digitally programmable hearing aids.
The purpose of this project was to compare the Widex Quattro and the Ensoniq Sound Selector hearing instruments as to benefits (real and perceived) and overall convenience. It is the premise of the Ensoniq designers that a high fidelity (wide band) hearing aid is adequate for all listening conditions due to its exact reproduction of sound. Conversely, it is the premise of the Quattro designers ...
متن کاملTriple DVCC based Digitally Programmable Biquadratic Filter
In this paper, a digitally programmable single input multi-output voltage mode multifunctional biquadratic filter has been presented. The circuit employs three differential voltage current conveyors (DVCC), two grounded capacitors, two grounded and two floating resistors. The digital re-configurability is obtained using a current-summing network (CSN). Cut-off frequency is controlled and varied...
متن کاملA High Frequency CMOS 4 Order digitally programmable Bandpass Filter
A high frequency fourth order CMOS continuous time Band-pass filter with programmable bandwidth and center frequency is presented in this paper. Simulations show That center frequency can be tuned from 141MHz to 603MHz for a 1.2pF capacitive load. This filter has been designed in TSMC 0.25u digital process with 2.5V power supply. The filter consumes around 105mW with a die area of 0.4 mm and -...
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ژورنال
عنوان ژورنال: Behavior Research Methods & Instrumentation
سال: 1972
ISSN: 1554-351X,1554-3528
DOI: 10.3758/bf03210013