455Khz If Amp For 1.5V Operation Circuit
The ZN416E can be configured as a simple 455-kHz IF amplifier....
455Khz If Amplifier Circuit
Up to 60 dB of gain at 455 kHz is available with the MC1350P. RES1 is a ceramic resonator, LC, or crystal filter....
Simple 455Khz If Amplifier Circuit
The ZN416E can be configured as a simple 455-kHz IF amplifier....
20W 1296Mhz Amplifier Module Circuit
Using a Mitsubishi M57762-amplifier module, this amplifier delivers 20-W output on 1296 MHz. ...
2M Fet Power Amplifier Circuit
Using a power MOSFET, this amplifier can boast a 2-W handie-talkie power level to around 10 W on 2 meters....
10W 10M Linear Amplifier Circuit
This linear amplifier delivers 10-W PEP output; with 1.25-W drive on 10 m. Tl, T2, and T3 are 10 turns of bifilar windings on an FT-50-43 toroidal core. The tr...
Wideband Power Amplifier Circuit
Using TRW P/N CA-815H, a 17-dB gain amplifier that delivers 100 mW over 10 to 1000 MHz can be constructed. ...
Miniature Wideband Amplifier Circuit
Except for the coupling and decoupling capacitors, IC1 is a complete wideband amplifier that has a fixed gain of 20 dB to 450 MHz. No external compensation is ...
Hf Preamplifier Circuit
This HF SW receiver preamplifier is comprised of a broadband toroidal transformer (LI-a and Ll-b), a complex LC network (comprised of a 1600- kHz, high-pass fi...
Dual Audio Amplifier Power Supply Circuit
A dual audio amplifier that will deliver 50 W per channel is shown in the schematic. It includes preamp and tone controls, and also includes a headphone amplif...
Piezo Driver Circuit
Using a PA41 from Apex Microtechnology, this monolithic amplifier is capable of 350-V operation ...
Variable Gain Amplifier Circuit
This circuit uses 1/4 of an LM3900 to build a simple variable-gain front end for an oscilloscope. R7 is the gain control. Also shown is a simple preamp...
Oscilloscope Preamplifier Circuit
An oscilloscope front-rend amplifier can be built with low-cost transistor and video amp ICs. This preamp uses a FET input and compensated attenuators, and has...
Simple Amplifier For Phototransistors Circuit
This simple amplifier will work well with just about any phototransistor. The 741, although designed to operate with a split supply, ...
Bootstrap Circuit
Bootstrapping the substrate of a JFET amplifier reduces the distortion caused by the non-linlearity of the JFET input capacitance. In the figure, a second feed...
Low-Offset Simple Video Buffer Circuit
This circuit has proved to be an effective video buffer and will easily drive a 75- load to 1.5-V p-p output. BW is better than 20 MHz and there is less than 0...
Mosfet Buffer Amplifier Circuit
A MOSFET is used as a wideband buffer amplifier. T1 is wound on a toroid of approximately /f diameter, with material suitable for frequency (usually 1- to 20-M...
Buffer Amplifiers Circuit
These two buffer/amplifiers that have been successfully used with VFOs: one (shown in A) is based on a pair of bipolar npn transistors,...
Booster Amplifier For Car Stereo Use Circuit
Only one channel of this circuit is shown. The other is practically a carbon copy.The input to the circuit, taken from your car radio`s speaker output, is divi...
Alc (Automatic Level Control) Circuit
The rectifier input is tied to the input. This makes gain inversely proportional to input level so that a 20-dB drop in input level will produce a 20-dB increa...