Circuits & Schematics: Design - 4

31. Minimize Input-Supply Ripple Current In LED Driver Applications
    Circuits Supply Light Intersil EL7801
    .. Godil Electronic Design Consumer-based LED applications have really taken off. You now find them in home lighting, airplane cabin ...
    04-07-2020

32. Enablement of Batteryless Applications with Wireless Power
    Circuits Supply Analog Devices LTC3588-1 LTC4123 LTC4124 LTC4126 LTC6992-1
    .. side, a simple open-loop wireless transmitter based on the LTC6992 TimerBlox® silicon oscillator is used. For this design, the drive frequency is set at 216 kHz, which is below the LC tank resonant frequency of 266 kHz. The exact ...
    11-07-2020

33. Inverting buck-boost converter regulates LED current
    Circuits Supply Light Texas Instruments TPS40200D
    .. buck-boost converter. These topologies generally require a large number of components, increasing the materials cost of the design. Although most experts consider these choices acceptable, the converters provide positive output voltages. A ...
    05-07-2020
34. Fault-Protected Current Limiter Keeps Its Cool
    Circuits
    .. effective current limiting and protection for the pass transistor. Figure 1. The traditional two-terminal current limiter design (shaded area) can suffer from excessive power dissipation in case of a shorted load, but adding a few ...
    07-11-2013
35. Short DC Power-Line Pulses Afford Remote Control
    Circuits Supply Light Texas Instruments CD74HC14
    .. guarantees that the flip-flops' Reset does not release before V DD reaches its full value. Note that you can use this Design Idea in other applications. For example, if you omit the circuit in Figure 3, the transitions in V 3 and V 4 ...
    03-11-2022
36. "Linear" PTC Thermistors Overcome NTC Temperature-Sensing Shortcomings
    Circuits Analogue Design Measurement Texas Instruments TMP116 TMP61 TMP63 TMP64
    .. by eliminating the need for additional linearization circuitry or redundant NTC thermistors, these PTC thermistors simplify design, lower system cost and reduce printed-circuit-board (PCB) layout size by at least 33% when compared to NTC ...
    17-06-2020
37. Dual Controller Provides 2 μs Step Response and 92% Efficiency for 1.5 V Rails
    Circuits Supply Power Linear Technology LTC3838
    .. Shriver, Linear Technology Design Note 505 Introduction The LTC®3838 is a dual output, dual phase buck controller that employs a controlled ...
    31-10-2014
38. Gnat-power sawtooth oscillator works on low supply voltages
    Circuits Oscillators TS12011 TS12012
    .. amplitude and frequency despite the variable battery voltage. Unlike the classic op-amp astable multivibrator, this design features comparator thresholds that are set by precision reference voltages rather than the output swing of ...
    19-12-2013
39. OnTime Alarm Clock
    Circuits Domestic CD4066BC
    .. by your creation of this device. Incidentally, if you are an electrical engineer and find any significant errors in my design, please feel free to contact me.The project essentially uses the internal mat from a Dell SK-8135 keyboard, a ...
    08-12-2007
40. Convert your smartphone into a pedometer and tracking device
    Circuits Wireless Measurement
    .. configure a mobile phone to log or send the current readings from its sensors to a server for viewing and processing. This Design Idea describes a simple approach to log readings from a GPS using the Python scripting language. An advantage ...
    24-04-2013

Sort by: relevance / date