Circuits & Schematics: 10 - 7

61. Enablement of Batteryless Applications with Wireless Power
    Circuits Supply Analog Devices LTC3588-1 LTC4123 LTC4124 LTC4126 LTC6992-1
    .. allowing the LC tank to connect directly to the LTC3588-1’s PZ1 and PZ2 pins. Rectification is wideband: dc to 10 MHz. Similar to the V CC pin on the LTC4123 / LTC4124 / LTC4126 , the V IN pin on the LTC3588-1 is regulated to a ...
    Jul 11, 2020

62. Simple Energy-Tripped Circuit Breaker with Automatic Delayed Retry
    Tim Regan
    Circuits Supply Linear Technology LT1999 LTC6994 LT6108
    .. to zero, the comparator high level biases the DIV pin to a higher voltage level, resulting in a longer retry delay time of 10 seconds. Conclusion The circuit shown here can be easily modified to different timing requirements with a few ...
    Jul 15, 2020

63. Inverting buck-boost converter regulates LED current
    John Betten
    Circuits Supply Light Texas Instruments TPS40200D
    .. a nonlinear, finite dead time before the output current rises. This action also reduces the minimum on-time duty cycle to 10 to 20%. In LED applications that do not require high-speed and 100% PWM dimming, this method may suffice. This ...
    Jul 5, 2020
64. Simple Fixture Determines Leakage of Capacitors and Semiconductor Switches
    Marián Štofka
    Circuits Measurement Analog Devices AD8661 ADR391
    .. are the same as those for leakage current in the equation (1), but C ADD substitutes for the CUT. A polystyrene-dielectric, 10-nF C ADD works well for low-power devices. For high-power devices, however, the value of C ADD should be at least 10 ...
    Jul 28, 2020
65. Fault-Protected Current Limiter Keeps Its Cool
    Anthony Smith
    Circuits
    .. zero. The capacitor (C1) is in the circuit to provide a degree of filtering to prevent nuisance tripping. A value of around 10 nF to 100 nF should suit most applications. Note that in the absence of a load, the circuit draws no power at all ...
    Nov 7, 2013
66. Short DC Power-Line Pulses Afford Remote Control
    Tom Hornak
    Circuits Supply Light Texas Instruments CD74HC14
    .. and low duty cycle of the activation are helpful. The 1N2976 diodes in Figure 1 are rated for continuous dissipation of 10 W. Figure 1. This circuit creates dc pulses for use with control circuitry located at the load. Figure 2 shows the ...
    Nov 3, 2022
67. "Linear" PTC Thermistors Overcome NTC Temperature-Sensing Shortcomings
    Bill Schweber
    Circuits Analogue Design Measurement Texas Instruments TMP116 TMP61 TMP63 TMP64
    .. NTC devices with what they maintain is 50% higher accuracy. For example, the TMP61 is a highly linear PTC thermistor with 10-kΩ nominal resistance at 25 C, with 1% maximum nonlinearity from 0 to 70 C and a 40 to +125 C operating range ...
    Jun 17, 2020
68. OnTime Alarm Clock
    Circuits Domestic CD4066BC
    .. a Elgin 4028 available at drugstores for around $7. 1x 100 uF / 25 V electrolytic capacitor 2x 1 k ohm 1/4 W resistors 1x 10 k ohm 1/4 Q resistor 1x 2N3904 general purpose NPN switching transistor. 1x Pin-compatible 4066 chip (such as the ...
    Dec 8, 2007
69. Driving an LED with or Without a Resistor
    Circuits Light Microcontrollers Usage
    .. Current (IF(peak)) rating in the datasheet. As an example: IF(peak) = 160 mA Condition: Pulse Width = 1 msec and Duty = 1/10 Which means, it is safe to switch the LED with 1 kHz, where the LED is on for 1 msec and off for 9 msecs. Most of the ...
    Apr 6, 2009
70. 17 Foot Wind Turbine. Part 3. Stator Fabrication.
    Circuits Wind Energy
    .. wind turbine . Again -- if you're thinking of building something like this -- read that page, read the page about the 10 foot wind turbines, and between it all you should be able to put it together. The inside dimensions (the hole in the ...
    Jan 1, 2011

Sort by: relevance / date