Circuits & Schematics: www.aaroncake.net - 7

61. Wireless Power Demo Circuit
    Circuits Power
    .. to optimise the power amplifier design, but an L or Pi network and standard antenna matching techniques can be used. vk2zay.net
    11-11-2011

62. Precision ±15V regulator for pre-amp or headphone amplifier
    Circuits Audio Supply Power
    .. is a precision 15V regulator on a single side PCB. The circuit is based on EB-802 with design by zerosoft on www.headphoneamp.co.kr . I have replaced some components that easy to find in the market and design a new PCB that look ...
    13-10-2011

63. Car Battery Monitor 12 Volt
    Circuits Automotive Measurement Supply
    .. step, the highest LED (D10) will remain on. If the voltage is lower than the bottom step, all of the LEDs will stay off. www.electroschematics.com
    09-10-2011
64. TRC104 2.4 GHz Transceiver Reference Design
    Circuits Wireless RFM TRC104
    RF Monolithics, AN0901 Introduction This application note presents a PCB reference design for RFM ’s TRC104 2.4 GHz transceiver IC. The reference design, including a PCB antenna, easily fits on one square inch of circuit board. Two RF ...
    19-05-2011
65. Short-Circuit Protection in DC Low-Voltage Systems
    Circuits Power
    .. connect the mains power cord to feed 230V AC to the transformer. Connect LED1 and LED2 for visual indication. pecworld.zxq.net
    28-03-2011
66. Automotive 12V to +-20V converter (for audio amplifier)
    Circuits Auto-Audio Supply Power
    .. battery to converter. Transformer design The transformer must be of correct size in order to carry the power needed, on the net there are many charts showing the power in function of frequency and core size for a given topology. My transformer ...
    14-01-2011
67. 5 volt charger adapter using LNK616PG controller
    Circuits Supply Power Power Integrations LNK616PG
    .. , from 85 VAC up to 265 VAC and will provide a fixed 5 volt DC output at a maximum output current of 1 ampere. electroniq.net
    14-01-2011
68. Car NiCad Charger
    Circuits Power
    .. 12 ohms/0.5W D 1500mA 12 ohms/0.5W D 4000mA 3.3 ohms/2W (High Capacity) R4 value at 14hrrate Pin Configuration freecircuits.net
    09-01-2011
69. Wind Generator Dump Load
    Circuits Wind Energy Power
    .. onto the cabling. There are 15V zenners across each MOSFET to stop the gate-source voltage getting to dangerous levels. qsl.net
    13-12-2010
70. Mains Slave Switcher
    Circuits Power
    .. insulated and the circuit enclosed in a box to make it inaccessible to fingers etc. when it is in use. extremecircuits.net
    11-12-2010

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