pga

Wringing out thermistor nonlinearities

Thermistor-temperature-sensing devices present a design challenge if you intend to use such a device over its entire temperature range. Typically, the thermistor is a high-impedance, resistive device that eases one of the interface issues as you convert ... ECN Asia
Passive & Discrete Components - Sensors & Actuators

PGA XMC/PMC module includes fiber-optic transceivers

PGA05F user-programmable FPGA XMC/PMC module incorporates the Virtex-5 FPGA with four front panel fiber-optic transceivers in air- or conduction-cooled versions • Ideal for demanding real-time applications such as remote sensor interfaces, data recorders,... ECN Asia
Boards & Modules - Integrated Circuits & Semiconductors

TI Introduces Zero-Drift Programmable Gain Amplifiers with MUX for Microprocessor-Based Applications

PGA11x family of zero-drift programmable gain amplifiers (PGA) with single-ended input, single-supply operation, rail-to-rail I/O and multi-channel multiplexers (MUX). The PGA112, PGA113, PGA116 and PGA117 provide a flexible, highly integrated programmable... EDN Asia
Analog ICs / Discretes

CMOS-NAND gates control sump pump

A similar circuit lets you control both the sump pump and the water level. External Source

Use an LED to sense and emit light

LEDs in portable devices often show power status, battery status, or Bluetooth-connection activity. LEDs can be major factors in determining battery life because their intensity is directly proportional to power drain. External Source

Two instrumentation amps make accurate voltage-to-current source

Many designs require precise voltage-controlled current sources, especially in the presence of variable loads. Common approaches, which use a few op amps and a handful of passive components, have inherent errors due to nonideal component characteristics, ... External Source

Simple circuit indicates health of lithium-ion batteries

A simple inexpensive circuit quickly indicates a battery pack's health. External Source

Simple method uses PSpice for Thevenin-equivalent circuits

A simple method lets you obtain the Thevenin voltage and resistance and the Norton equivalence with the aid of simulation. External Source

DAC and flip-flops form constant-current source

Using two flip flops, you can program a serial-input DAC to produce a constant 4 mA. External Source

Convert negative inputs to positive outputs

Create a 3.3V source from a –5V supply. External Source

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