EDN

Fire Sensor Circuit

This fire sensor circuit exploits the temperature sensing property of an ordinary signal diode IN 34 to detect heat from fire. At the moment it senses heat, a loud alarm simulating that of Fire ...
EDN

Simple diode serves as a sensor for a thermal probe

This Design Idea describes a two-transistorthermal probe for diagnosingcircuit problems, such as hotcomponents and thermal runaway.Although the probe does not provide anaccurate temperature ...
Electronic Design

Sensors: Accurate and integrated temperature measurement

Most electronic engineers know that a transistor’s base-emitter voltage (V BE) has a temperature coefficient (TC) of about -2 mV/°C. However, for precision temperature sensors, “about” isn’t good ...
Business Wire

Mitsubishi Electric to Launch 80x60 pixel Thermal Diode Infrared Sensor

TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation (TOKYO: 6503) announced today that its Mitsubishi Electric Diode InfraRed (MelDIR) sensor lineup will introduce on July 1 a new thermal sensor ...
Business Wire

Mitsubishi Electric to Launch 80×60-pixel Thermal-diode Infrared Sensor with More Than Double the Field of View of Existing Sensors

TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation (TOKYO: 6503) announced today the upcoming launch of a new MelDIR-brand 80×60-pixel thermal-diode infrared sensor (MIR8060C1) with a 100°×73° ...
Electronic Design

Passive Thermal Diode Restricts Direction of Heat Flow

How a Virginia Tech research team constructed its novel thermal diode. Test results of the thermal diode. Electrical engineers are obviously very familiar and comfortable with the basic diode, a ...