MOSFET Linear Amplifier 300W/50MHz
This MOSFET Linear Amplifier has capability to deliver up to 300W for 50MHz. The circuit built based the couple of MOSFET ARF448A and ARF448B. Circuit Design:
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Transistored 10W Audio Amplifier
Build based operational amplifier NE5532 and a couple of power transistor TIP41A / TIP42A, this audio amplifier circuit has capability to deliver up to 10W audio power output into 8 ohm speaker.. Amplifier Parts list: P1 22K = Log.Potentiometer P2 = 100K Log.Potentiometer R1 = 820R R2, R4, R8 = 4K7 R3 = 500R Trimpot… Read More »
16W Bridge Amplifier using LM383
The following diagram is 16W audio amplifier circuit. The circuit built based 2 pieces of power IC LM383 in bridge connection, so this amplifier is an bridge amplifier. This is an old amplifier, LM383 is discontinued, so this LM383 might be difficult to find. You can use ECG1232, TDA2002 or TDA2003 as the replace for… Read More »
Telephone Amplifier using LM386
The following diagram is the circuit diagram of telephone amplifier, build based small amplifier IC LM386. This is a easy build telephone amplifier There is no extra electrical power supply required to power up the telephone amplifier circuit, as it draws power from the telephone line itself. The amplifier will supply fairly very good volume… Read More »
400W Power Amplifier “Safari”
This 400W power amplifier circuit often called as “safari” amplifier. The below circuit design is for single channel only, build two identical circuit for dual/stereo channels. The 400W power amplifier designed using two couples of power transistors that are TIP31 with TIP32 and 2N3055 with MJ2955. These types transistor are well known and widely used… Read More »
Load Cell Amplifier
I’ve found some interesting schematic of load cell amplifier. As we know, load cell amplifier is pretty expensive with fair price range of 100-300 USD. You may built your own load cell amplifier to get the lower cost. Here the two scheme diagram of load cell amplifier circuit: Load Cell Amplifier using AMP04: source: http://cgi.ebay.com/Load-Cell-Amplifier-Improved-Better-Stability-New-/350451149452
FM Receiver Antenna Amplifier
This is the active FM receiver antenna amplifier, used to boost the FM signal catch by the antenna, you may call circuit “FM antenna booster”. By working with only a small handfull of parts you can assembled this kind of reliable FM amplifier circuit. It runs with only 1 UHF/VHF type transistor, MFE201. This amplifier… Read More »
20W Power Tube Amplifier with EL34
The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very famous tube and great for power tube amplifier. The circuit above is complete circuit contains tube amplifier circuit diagram and power supply circuit diagram. To make the stereo channel amplifier, build the similar amplifier circuit… Read More »
Fender Bassman 5F6-A Tube Amplifier
Here the schematic diagram of Fender Bassman 5F6-A tube amplifier. This circuit is a tube powered amplifier which is used as a bass guitar amplifier. Fender Bassman was a bass amplifier introduced by Fender in 1952. Although it was originally designed for bass guitars, it is often used for normal electric guitar in rock and… Read More »