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Archives for December, 2012

FM transmitter booster circuit
China tv circuit diagram – Original datasheet

China tv circuit diagram – Original datasheet China tv circuit diagram free download

27MHz CB Band Circuit

27MHz CB Band Circuit Using TR SC1675, SC828, SA564, SA715,SC1383, SC1909 and IC TA7205

USB charger battery

USB charger battery USB charger schematic diagram for li-on battery using LM3525, LM3622, DTA1432KA USB port is a great power source for charging a single cell li-on battery. … cell li-on battery charger. LM3525, LM3622, DTA1432KA is used as the controller.

How to Make 2.3 GHz Pre-Amp (Part 1)

This article is own by Grant Hodgson. . Eagle-eyed readers may have noticed the reference to an ATF-54143 in John G3XDY’s notes on the pre-amplifier testing results at the November Adastral Park round table, published in the March 2002 Newsletter. Here are some more details of this pre-amp which has some rather interesting properties :- […]

Making RF Meter 2.4 GHz Wave Antenna

RF Meter circuit 2.4 GHz Wave Antenna using  LM324 RF Field Strength Meter detects Accuracy in the FM, TV and cell tower frequency range 30 MHz – 2.4 GHz

Best Audio Active high pass filter

Best Audio Active high pass filter circuit using LM741 Best Audio Active high pass filter circuit using LM741

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