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Articles 1 - 6 of 6
Full-Text Articles in VLSI and Circuits, Embedded and Hardware Systems
Synthesis Of Translinear Analog Signal Processing Systems, Eric Mcdonald, Bradley Minch
Synthesis Of Translinear Analog Signal Processing Systems, Eric Mcdonald, Bradley Minch
Bradley Minch
In this paper, we describe a structured methodology for synthesizing translinear analog signal-processing systems from high-level descriptions in the time domain. The circuits are implemented from elements called multiple-input translinear elements (MITEs). We illustrate the synthesis methodology with the simple example ofan RMS-DC converter.
Synthesis Of Static And Dynamic Multiple-Input Translinear Element Networks, Bradley Minch
Synthesis Of Static And Dynamic Multiple-Input Translinear Element Networks, Bradley Minch
Bradley Minch
In this paper, we discuss the process of synthesizing static and dynamic multiple-input translinear element (MITE) networks systematically from high-level descriptions given in the time domain, in terms of static polynomial constraints and algebraic differential equations. We provide several examples, illustrating the process for both static and dynamic system constraints. Although our examples will all involve MITE networks, the early steps of the synthesis process are equally applicable to the synthesis of static and dynamic translinear-loop circuits.
A Low-Voltage Mos Cascode Current Mirror For All Current Levels, Bradley Minch
A Low-Voltage Mos Cascode Current Mirror For All Current Levels, Bradley Minch
Bradley Minch
In this paper, we describe a simple low-voltage MOS cascode current mirror that functions well at all current levels, ranging from weak inversion to strong inversion. The circuit features a wide output voltage swing and requires an input voltage of approximately one diode drop plus a saturation voltage. We present experimental results from a version of the current mirror that was fabricated in a 0.5 μm CMOS process along with a comparison with several other current mirrors with respect both to required input voltage and to output compliance voltage.
A Fully Programmable Log-Domain Bandpass Filter Using Multiple-Input Translinear Elements, Ravi Chawla, Haw-Jing Lo, Arindam Basu, Paul Hasler, Bradley Minch
A Fully Programmable Log-Domain Bandpass Filter Using Multiple-Input Translinear Elements, Ravi Chawla, Haw-Jing Lo, Arindam Basu, Paul Hasler, Bradley Minch
Bradley Minch
In this paper a second order log-domain bandpass filter using multiple input translinear elements (MITEs) operating at a 3V supply. We enhance the capabilities of the filter by utilizing programmable MITE structures as well as programmable current sources, which are covered in this paper. The synthesized bandpass filter is implemented and fabricated using these programmable translinear devices (MITEs). Experimental results are shown from circuit fabricated on a 0.5μm nwell CMOS process available through MOSIS.
Highly Linear, Wide-Dynamic-Range Multiple-Input Translinear Element Networks, Kofi Odame, Eric Mcdonald, Bradley Minch
Highly Linear, Wide-Dynamic-Range Multiple-Input Translinear Element Networks, Kofi Odame, Eric Mcdonald, Bradley Minch
Bradley Minch
In this paper, we propose a modification to the class of circuits known as multiple input translinear element (MITE) networks. Our proposed modification leads to a MITE network that is free from certain nonidealities encountered in previous implementations. Further, the new MITE network described here readily accommodates the use of bipolar junction transistors in the input and output stages, thus implying a significantly wider dynamic range than we can achieve using subthreshold MOSFETs.
A Programmable Floating-Gate Bump Circuit With Variable Width, Sheng-Yu Peng, Bradley Minch, Paul Hasler
A Programmable Floating-Gate Bump Circuit With Variable Width, Sheng-Yu Peng, Bradley Minch, Paul Hasler
Bradley Minch
We propose a new programmable bump circuit using floating-gate transistors with a simple topology. The center and the width of this bump circuit are orthogonally tunable and programmable. The input signal range is rail to rail and the power consumption does not change dramatically while varying the width. Therefore, this circuit is suitable for low power applications. We use a vector-quantizer as an example to illustrate how this circuit fits into a large scale network.