1 Watt Universal RF Amplifier
This is a universal 1 Watt RF class C amplifier that is ideally suited for low power FM transmitters. The input should be at least 100mW to achieve a 1W output. It is recommended to enclose the amplifier in a metal case. An accurate LC Meter (Capacitance Inductance Meter) allows users to measure incredibly small inductances, making it a perfect tool for creating all types of RF coils and inductors. The LC Meter can measure inductances starting from 10nH to 1000nH, 1µH to 1000µH, 1mH to 100mH, and capacitances from 0.1pF up to 900nF. The circuit includes auto-ranging and a reset switch, producing very accurate and stable readings. A Volt Ampere Meter measures voltage from 0-70V or 0-500V with a resolution of 100mV, and current consumption from 0-10A or more with a resolution of 10mA. This meter is an excellent addition to any power supply, battery chargers, and other electronic projects where voltage and current monitoring is essential. The meter utilizes a PIC16F876A microcontroller with a 16x2 backlit LCD. A Frequency Meter/Counter measures frequency from 10Hz to 60MHz with 10Hz resolution, serving as useful bench test equipment for identifying the frequency of various devices such as oscillators, radio receivers, transmitters, function generators, and crystals. The 1Hz to 2MHz XR2206 Function Generator produces high-quality sine, square, and triangle waveforms with high stability and accuracy. The output waveforms can be both amplitude and frequency modulated, and the output can be connected directly to the 60MHz Counter for precise frequency setting. The BA1404 HI-FI Stereo FM Transmitter broadcasts high-quality stereo signals in the 88MHz to 108MHz FM band. It can be connected to any stereo audio source, such as an iPod, computer, laptop, CD player, television, or other stereo systems, to transmit stereo sound with excellent clarity throughout various environments. The USB IO Board is a compact development board featuring the PIC18F2455/PIC18F2550 microcontroller, compatible with Windows, Mac OSX, and Linux. When connected to Windows, it appears as an RS232 COM port and allows control of 16 individual microcontroller I/O pins via simple serial commands. The USB IO Board is self-powered through the USB port and can provide up to 500mA for electronic projects, and it is breadboard compatible. The RF remote control offers a long range of up to 200m (650ft) and can be used for various applications, including controlling lights, fans, AC systems, computers, printers, amplifiers, robots, garage doors, security systems, motor-driven curtains, and more. The four-button RF remote can independently turn ON/OFF four different devices, with outputs buffered by BC549 NPN transistors, capable of driving low voltage devices directly or connecting to 5V or 12V relays (or motors) for appliances using 110V/220V mains voltage. Multiple remote systems can be configured to control more than four appliances in the same location by changing the address code on the 433MHz receiver and remote, and it is also possible to use several remotes to control the same appliance.
The universal 1 Watt RF class C amplifier is designed to amplify low power signals, making it ideal for FM transmission applications. It operates efficiently with a minimum input power of 100mW, allowing for a robust output of 1W. The recommendation for enclosure in a metal case is critical to minimize electromagnetic interference and enhance performance stability.
The LC Meter, a vital tool for RF applications, provides precision measurements for inductance and capacitance, making it indispensable for engineers and hobbyists involved in coil design and RF circuit development. Its capability to measure inductances as low as 10nH enables the creation of fine-tuned RF coils, while its auto-ranging feature simplifies the measurement process.
The Volt Ampere Meter complements the LC Meter by offering essential voltage and current measurements, crucial for assessing power supply performance and ensuring the safe operation of electronic devices. The integration of the PIC16F876A microcontroller enhances the functionality and user interface of the meter, providing clear readings on a backlit LCD.
The Frequency Meter/Counter is another essential tool for testing and verifying the operational frequencies of oscillators and RF circuits. Its wide frequency range and high resolution make it suitable for a variety of applications, including troubleshooting and calibration of RF devices.
The XR2206 Function Generator is a versatile signal source that produces high-quality waveforms for testing and experimentation. Its ability to modulate output signals makes it useful for simulating various communication signals in RF applications.
The BA1404 HI-FI Stereo FM Transmitter represents a practical application of RF technology, allowing users to create their own wireless audio broadcasting systems. This device opens up possibilities for personal radio stations, enhancing the enjoyment of music and audio content.
The USB IO Board exemplifies modern microcontroller applications, providing a simple interface for controlling various electronic devices. Its compatibility with multiple operating systems and ease of use makes it a valuable tool for automation and control projects.
Finally, the RF remote control system showcases the convenience of wireless technology in everyday applications, enabling users to manage multiple devices from a distance. Its flexibility in configuration allows for tailored control solutions, enhancing the functionality of home automation systems.This is a universal 1 Watt RF class C amplifier that is ideally suited for low power FM transmitters. Input should be at least 100mW to achieve 1W output. It is recommended to enclose the amplifier in a metal case. Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors.
This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.
1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution.
The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD. Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.
Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground. USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller.
USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible. Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of. Four button RF remote is used to turn ON / OFF four different devices independently. Any of the four outputs can be configured to work independently in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors and can drive low voltage devices directly or be connected to either 5V or 12V relays (or motors) to control appliances that use 110V / 220V mains voltage or any voltage of your choice.
Multiple remote systems can be used independently to control more than four appliances in the same location by changing the address code on 433MHz receiver and remote. It is also possible to use several remotes to control the same appliance such as garage door. 🔗 External reference
The universal 1 Watt RF class C amplifier is designed to amplify low power signals, making it ideal for FM transmission applications. It operates efficiently with a minimum input power of 100mW, allowing for a robust output of 1W. The recommendation for enclosure in a metal case is critical to minimize electromagnetic interference and enhance performance stability.
The LC Meter, a vital tool for RF applications, provides precision measurements for inductance and capacitance, making it indispensable for engineers and hobbyists involved in coil design and RF circuit development. Its capability to measure inductances as low as 10nH enables the creation of fine-tuned RF coils, while its auto-ranging feature simplifies the measurement process.
The Volt Ampere Meter complements the LC Meter by offering essential voltage and current measurements, crucial for assessing power supply performance and ensuring the safe operation of electronic devices. The integration of the PIC16F876A microcontroller enhances the functionality and user interface of the meter, providing clear readings on a backlit LCD.
The Frequency Meter/Counter is another essential tool for testing and verifying the operational frequencies of oscillators and RF circuits. Its wide frequency range and high resolution make it suitable for a variety of applications, including troubleshooting and calibration of RF devices.
The XR2206 Function Generator is a versatile signal source that produces high-quality waveforms for testing and experimentation. Its ability to modulate output signals makes it useful for simulating various communication signals in RF applications.
The BA1404 HI-FI Stereo FM Transmitter represents a practical application of RF technology, allowing users to create their own wireless audio broadcasting systems. This device opens up possibilities for personal radio stations, enhancing the enjoyment of music and audio content.
The USB IO Board exemplifies modern microcontroller applications, providing a simple interface for controlling various electronic devices. Its compatibility with multiple operating systems and ease of use makes it a valuable tool for automation and control projects.
Finally, the RF remote control system showcases the convenience of wireless technology in everyday applications, enabling users to manage multiple devices from a distance. Its flexibility in configuration allows for tailored control solutions, enhancing the functionality of home automation systems.This is a universal 1 Watt RF class C amplifier that is ideally suited for low power FM transmitters. Input should be at least 100mW to achieve 1W output. It is recommended to enclose the amplifier in a metal case. Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors.
This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.
1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution.
The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD. Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.
Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground. USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller.
USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible. Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of. Four button RF remote is used to turn ON / OFF four different devices independently. Any of the four outputs can be configured to work independently in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors and can drive low voltage devices directly or be connected to either 5V or 12V relays (or motors) to control appliances that use 110V / 220V mains voltage or any voltage of your choice.
Multiple remote systems can be used independently to control more than four appliances in the same location by changing the address code on 433MHz receiver and remote. It is also possible to use several remotes to control the same appliance such as garage door. 🔗 External reference
Related Circuits
The LM231 and LM331 family of voltage-to-frequency converters are well-suited for use in simple, low-cost circuits designed for analog-to-digital conversion, precision frequency-to-voltage conversion, long-term integration, linear frequency modulation or demodulation, and various other applications. When utilized as a voltage-to-frequency...
Cl. C2 ARCO #462, 2 to 60 pF, trimmer capacitors Li, 3 turns of #20 AWG wire on 1/4" diameter L2, β turns of #20 AWG on 1/4" diameter Ti. Additionally, there is 1 turn of 25 Ω coax...
Preamplifiers are utilized to amplify low-level signals, such as those from microphones and tape heads, before they are sent to power amplifiers. Power amplifiers typically exhibit lower sensitivity. The frequency response can also be adjusted and optimized at the...
18W audio amplifier constructed using transistors. The 18W audio amplifier design utilizes a transistor-based configuration to achieve efficient amplification of audio signals. The circuit typically consists of several stages, including a preamplifier stage, a driver stage, and a power output...
This is a handy, easy to build general purpose 50 watt amp. The amp has an input for a radio, TV, stereo or other line level device. It also has a phono input for a record player, guitar, microphone...
Approximately one watt RMS appears to be a suitable output level, which is also the maximum power that a basic amplifier powered by 12V can deliver to an 8 Ohm speaker. A very low saturation amplifier may reach up...