Circuits & Schematics: detector - 4

31. AC Voltage Zero Cross Detector
    Rajkumar Sharma
    Circuits Supply Rohm BM2P129TF BM1Z102FJ
    .. V DC @ Maximum Load 100 mA PCB Dimensions 58.90 × 28.73 mm Schematic Figure 2. Schematic of the AC VOLTAGE ZERO CROSS DETECTOR. Connections Figure 3. Connections. Application circuit Figure 4. Typical application circuit. Waveforms ...
    Nov 30, 2022

32. Analog Peak Detector Frames Mechanical Bounce, Quantifies Contact Resistance
    Dave Carty
    Circuits Analogue Design Measurement Texas Instruments LF411 LM324 LM358
    .. subsided. The circuit of Figure 1 allows analysis of noise or mechanical bounce within time intervals set by a simple peak detector with an associated comparator. Switch-contact resistance then can be read automatically through the ...
    Nov 25, 2022

33. Improved current monitor delivers proportional-voltage output
    Susanne Nell
    Circuits Measurement Supply
    .. kept the circuit from oscillating until primary current flow ceased. Although the circuit acted as a power-interruption detector, when you add a few components, the operating principle lends itself to measurement applications. This ...
    Nov 23, 2022
34. Impedance Transformer Flags Failed Fuse
    Kevin Ackerley
    Circuits Supply Analog Devices AD8606
    .. into the dc bus. Capacitor C 3 couples the oscillating signal to IC 2 , a gain-of-3 amplifier, which in turn drives a peak detector formed by D 3 and C 5 . Transistor Q 1 saturates and provides a logic-low signal to an external alarm. ...
    Nov 18, 2022
35. High-speed peak detector uses ECL comparator
    Lukasz Sliwczynski Przemyslaw Krehlik
    Circuits Analogue Design Measurement Signal Processing, Filters Maxim MAX9690
    .. electronics designers often use peak-detector circuit sin such applications as amplitude measurement, automatic gain control, and data regeneration. ...
    Nov 9, 2022
36. Protect MOSFETs in heavy-duty inductive switched-mode circuits
    Marián Štofka
    Circuits Supply Power Analog Devices ADP3624
    .. of the current. You can check the peak voltage at load resistor R. D 1 and D 2 and storage capacitor C S function as a peak detector. The peak-voltage pulses at resistor R cause a dc voltage at C S of roughly the same value as the peak ...
    Oct 28, 2022
37. Simple circuit shuts off system when supply voltage is low
    Circuits Supply Microchip LM4041
    .. “SOT-23” packages. IC1 is an LM4041 adjustable voltage reference that serves here as a programmable voltage detector. It does this by operating in an unconventional configuration. Typically, the LM4041 develops a voltage ...
    Oct 13, 2022
38. Transistors tame perfidious leakage inductance
    Christophe Basso
    Circuits Supply ON Semiconductor NCP1200 MTP3N60E
    .. plateau voltage, which is the value you’d like to obtain. With the rectifying diode playing the role of an envelope detector, the result is a final level close to 24 V, far from the 13.4 V you would expect. As a result, a possibly ...
    Sep 29, 2022
39. Wideband peak detector operates over wide input-frequency range
    Jim McLucas
    Circuits Analogue Design Measurement Texas Instruments LM6171 TL084
    .. Design Idea builds on a previous one ( Reference 1 ) to realize a precision peak detector with a bandwidth of 15 to 30 MHz or more, depending on the maximum input-signal level of your ...
    Sep 14, 2022
40. Active Emulator Supports Multiple RTD Wiring, Sense Configurations
    Vardan Antonyan
    Circuits Measurement ON Semiconductor BSS138
    .. running a formal test with multiple resistance temperature detector (RTD) sensors, it is often necessary to calibrate and debug a data-acquisition system to verify basic ...
    Sep 8, 2022

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