Author - Jerry Steele

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Jerry Steele	Write for Electronic Design
Jerry Steele is a strategic development engineer for Texas Instruments. He has been involved in design, applications, and technical writing for over 25 years. Email address: steele_jerry@ti.com
7 results found for Jerry Steele, displaying items 1 - 7

September 15, 2003 [Ideas For Design]
Current-Shunt Monitor Modulates Fan Speed
For maximum reliability, cooling-fan speed should be based on current rather than temperature. Commonly available thermal-sensing fan-control ICs require elevated temperatures to start fans, and even higher temperatures to turn them on harder. In...

May 26, 2003 [Ideas For Design]
Extend Voltage Range Of Current-Shunt Monitor
While current-shunt-monitor ICs like the INA168 can be connected to current-shunt resistors at supply voltages of up to 60 V, the circuit shown in the figure allows current sensing at even higher voltages....

March 4, 2002 [Ideas For Design]
Read Temperature With One Digital Output And One Digital Input
Before the MAX6629/30/31/32 series of temperature sensors were available, all digital-output temperature sensors were I2C (alternatively called SMBus) sensors that had to be written to for addressing, before they were read. Prior SPI...

May 7, 2001 [Ideas For Design]
4-To-20-mA Loop Powers Temperature Sensor
Using an analog temperature sensor, an op amp, a transistor, and a low-dropout linear regulator, this circuit provides a 4-to-20-mA output over a 3.75- to 28-V compliance range (see the figure)....

September 5, 2000 [Ideas For Design]
Detect Fan Failure With A Single Transistor
In low-cost systems where inexpensive fans are used with no fan control, fan-failure detection is particularly useful. Fans running full-time use up their operating life more quickly than those...

July 10, 2000 [Ideas For Design]
Positive Feedback Terminates Cables
This Idea For Design was originally published March 6, 1995. Positive feedback along with a series output resistor can provide a controlled output impedance from an op-amp circuit, with lower losses than would result from using an...

June 26, 2000 [Ideas For Design]
Simplify Isolated Temperature Sensing With Single-Wire Sensors
Galvanic isolation of sensors, such as temperature sensors, is required since these sensors are often mounted in "mechanically inconvenient" locations. "Mechanically inconvenient" often implies an electrically noisy environment, an environment where...

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