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Transistor: Use In Rf Amp

0 Comments - in RF Amplifiers
MicroStrip 2.3 GHz (GigaHertz) RF amplifier with 1 Watt RF output power.
This audio amplifier electronic circuit uses MOSFET transistors to create more than 25 Watts output power. Uses IRF530 and IRF9530 MOSFET transistors.
0 Comments - in DC Power Supplies
A very simple variable power supply with a DC output voltage adjustable from 1-3- Volts, with a maximum DC current of 5 Amps. Uses LM338 DC voltage regulator IC.
Photo: Auto Roll 4 Channel RF Remote Control Auto Roll 4 Channel RF Remote Control
4 Channel RF Remote Control Relay Board with Auto Roll
Schematic / circuit diagram for a tunable transistor electronic organ. Easy to tune the notes that are generated.
0 Comments - in DC Power Supplies
Variable-voltage DC power supply circuit. The output DC voltage is adjustable from 0.7-24V, with current limiting range from 50mA up to 2 Amps. Main transistor is the 2N3055.
Photo: Auto Roll 2 Channel RF Remote Control Auto Roll 2 Channel RF Remote Control
4 Channel RF Remote Control Relay Board with Auto Roll
An extremely simple and cheap DC power supply with variable voltage (1.2-25 Volts) control. The circuit uses an LM317 integrated voltage regulator Ic.
Photo: Function Generator Op Amp kit Function Generator Op Amp kit
A very low cost and simple electronic circuit to generate square, pseudo-sinewave and triangular waveforms in the Audio frequency range. Uses a quad opamp LM348. Good educational kit.
0 Comments - in FM Transmitters
Simple 4-transistor transmitter electronic circuit that produces a Frequency Modulated (FM) signal at approximately 100MHz.
Photo: 3 Amp Variable DC Power Supply 3 Amp Variable DC Power Supply
Provides 3 amps current at 3-30 Volts DC. Reduces ripple voltage to almost non-existant.
Photo: Stereo Amplifier 44 Watt electronic kit Stereo Amplifier 44 Watt electronic kit
The circuit is a gem; a TDA 1554 Integrated Circuit is used to produce an amplifier that will output up to 22 watts per channel with distortion typically not in excess of 0.1% thd. Sound quality is very, very high. Originally intended for use in an automo
Photo: LM317 Variable Power Supply LM317 Variable Power Supply
A very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add a heat sink (included), you can run it as hot as 2 Amps output; otherwise about 60 mA @ 12 volts. This is a text book circuit using an LM317, which is a 3
Photo: AM Radio One Chip Educational Electronic Kit AM Radio One Chip Educational Electronic Kit
This is a complete AM radio for the standard broadcast band, most of which is on a single IC. Other components, such as coils and variable capacitor to make a finished radio are included. The IC is the RF Amp, detector and AGC circuitry. The IC's output d
Photo: Photo Sensor with Control Relay Photo Sensor with Control Relay
The most popular use for this kit is to make you own night-light. It can also be used to switch just about any appliance on or off in light or darkness. Light sensitivity is adjustable over quite a range. The relay can handle up to 10 Amps at 110VAC. Oper
Photo: Light Alarm Electronic Kit Light Alarm Electronic Kit
A sensitive photo Darlington transistor is used with a CMOS nand gate. The circuit detects light and triggers a siren. You could add your own triac or relay and switch practically anything. The kit uses the MEL12 Darlington super alpha phototransistor, ty
Photo: Led Dice with Slowdown Game Electronic Kit Led Dice with Slowdown Game Electronic Kit
This is an excellent kit for use as an introduction to electronics and circuit analysis. Seven LEDs arranged like a real die face. Push the switch and the die rolls and then slows down, stops. Ingenious circuit design used to minimize components. Uses 140
Photo: Panel Meter Counter Panel Meter Counter
This is a basic low cost counter module. Two or more may be plugged together with 6-pin sockets and harness provided. Excellent use as event counter. Has a single 3-digit display. Uses the 14553 and 14551 chips. Has count and reset switches with debounce
Photo: 40 Watt FM Power Amplifier (1 Watt Input) 40 Watt FM Power Amplifier (1 Watt Input)
This 40 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 40 Watts.
Photo: 20 Watt FM Power Amplifier (1 Watt Input) 20 Watt FM Power Amplifier (1 Watt Input)
This 20 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 20 Watts.
Photo: Digital Multimeter Kit Digital Multimeter Kit
If you are using or planning to use a digital multimeter in your training programs, you must consider this training kit. It is easy to assemble and comes with a complete training course, using sequential assembly procedures and testing. Specifications: 3.