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The AD8304 is a monolithic logarithmic detector optimized for the measurement of low frequency signal power in fiber optic systems. It uses an advanced translinear technique to provide an exceptionally large dynamic range in a versatile and easily used form. Its wide measurement range and accuracy are achieved using proprietary design techniques and precise laser trimming. In most.......
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The circuit diagram of the power meter stands out by its simplicity, which is due to the Type AD8307 monolithic demodulating logarithmic amplifier, IC1, fr
Spectrum analyser Written by Hans Summers Friday, 02 October 2009 06:17 - Last Updated Wednesday, 08 April 2015 07:55 Introduction Spectrum Analyser theory Construction Techniques Power Supply Sweep Generator Logarithmic Amplifier 145 MHz IF Filter 1st Mixer [. ]
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The AD8306 is a complete IF limiting amplifier, providing both an accurate logarithmic (decibel) measure of the input signal (the RSSI function) over a dynamic range of 100 dB, and a programmable limiter output, useful from 5 MHz to 400 MHz.
This is an electronic stethoscope circuit diagram. The operation of the circuit is very simple. It's work is similar to general home audio system. The heartbeat sounds catched by electret microphone and then the amplifier amplify the signal. Component List:R1 = 10K 1/4WR2 = 2. 2K 1/4WR3, R9 = Not usedR4 = 47K 1/4WR5, R6, R7 = 33K 1/4WR8 56K = 1/4WR10 = 4. 7K 1/4WR11 = 2. 2K to 1.......
The TDA1013 is an integrated audio amplifier circuit with DC volume control, encapsulated in a 9-lead single in-line (SIL) plastic package. The wide supply voltage range makes this circuit ideal for applications in mains and battery-fed apparatus such as television receivers and record players. The DC volume control stage has a logarithmic control characteristic with a range of more than 80 dB; control is by means of a DC voltage variable between 2 and 6.5 V. .......
This unit is an updated version of the Wide Dynamic Range Field Strength Meter. While the basic function is the same, it has several critical differences: It uses a specialized integrated circuit, the Analog Devices AD8307. This chip is designed specifically as a logarithmic amplifier for use through 500 MHz. Using the AD8307, it has a wider dynamic range (85 dB versus 55 dB) and it has built-in temperature compensation. Because of the different nature of this type of detector - and the fac.......
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