Circuits & Schematics

Search results: 2,958 Output: 1-10
  1. Piezoelectric transducers find use in NDE (nondestructive-evaluation) applications. The PVDF (polyvinylidene-fluoride) transducer has many advantages, including a wide bandwidth and high sensitivity. These transducers require high-voltage and ...
    02-12-2022
  2. Circuits Supply Rohm BM2P129TF BM1Z102FJ
    This project provides AC voltage zero-cross timing detection and a DC voltage after diode rectification with high accuracy. Possible applications for such circuits are AC motor controllers, AC lamp controllers, AC Dimmer Controllers, Home ...
    30-11-2022
China PCB Prototype and Fabrication Manufacturer
  1. To measure a zener diode’s breakdown voltage, you need a dc voltage source whose voltage exceeds that of the zener voltage. In Figure 1, resistor R SER provides voltage drop between V IN and V ZEN . In any case, V IN should exceed V ZEN . ...
    30-11-2022
  2. You would normally use a series linear regulator or a dc/dc converter to obtain 3 V dc from a higher supply. However, when breadboarding a concept, you may be able to use a shunt regulator, especially if a series regulator of the correct voltage is ...
    29-11-2022
  1. Mechanical bounce often occurs while trying to measure current or resistance on experimental materials or from routine switch-contact action. It can be a problem if you are trying to preserve the bounce or noise phenomenon within the measurement ...
    25-11-2022
  2. Circuits Supply Texas Instruments 1P1G3157QDBVRQ1 SN74HC175
    Several years ago, I published a design idea [ 1 ] (See Figure 1: “Cancel PWM DAC ripple with analog subtraction,) showing a simple trick for the cancellation of PWM output ripple. It employs passive summation of the usual PWM signal with its ...
    24-11-2022
  3. The circuit in Figure 1 is a high-power analog of the popular TL431 programmable shunt regulator. This two-terminal circuit is convenient when the drain of the P-channel FET is grounded, since it needs no isolation from a grounded heatsink. Figure ...
    24-11-2022
  4. This Design Idea expands the capabilities of a previously published one (Reference 1). The original version featured a current transformer whose secondary winding formed part of an oscillator's tank circuit. Under normal conditions, direct ...
    23-11-2022
  5. This Design Idea describes a two-transistor thermal probe for diagnosing circuit problems, such as hot components and thermal runaway. Although the probe does not provide an accurate temperature measurement, it acts as a quick check for potential ...
    21-11-2022
  6. Figure 1 depicts a circuit that detects the opening of a miniature circuit breaker or high-rupture-capability fuse in a high-reliability telecommunications power supply. The circuit generates an alarm when a failure changes the impedance of an ...
    18-11-2022