1W PLL FM transmitter overview
Here's a little overview of a 1W PLL FM transmitter driver. Hopefully it will help you with retuning, fault finding…
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Here's a little overview of a 1W PLL FM transmitter driver. Hopefully it will help you with retuning, fault finding or just to learn more about these boards. The familiar CMOS PLL section has been used in plenty of other designs and seems to work well. Output varies from 500mW to about 1.2W depending on…
Function generator project with frequency readout
For a project in the last year of my National Diploma I decided to design and prototype a function generator,…
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8W RF amplifier circuit using the 2sc1971
Here's basic RF amplifier design that will happily run all day at 8W (I even pushed it to 14W!). This…
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40W FM transmitter
Here's a 40W amplifier for band 2 FM transmitter applications (88 to 108MHz), taking an input of 0.5 to 1…
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150W RF amplifier circuit for FM transmitter
150w RF amp for 88-108MHz (band 2). The amp has 2 stages using a mosfet for the first stage (BLF244)…
View postSWR protection for RF amplifiers – the crude/simple way
There are many non-ideal conditions that can potentially blow the transmitter, or the at least the final output transistor in…
View postBuilding a 150W FM transmitter
Here are some pictures of some of the steps for building an FM transmitter into an enclosure. The transmitter is…
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10GHz X-band Microwave link setup
This post goes over how to set up a microwave link system for transmission of audio over distances of up…
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10GHz X-band Microwave receiver for Audio
This post goes over the receive side of a home made microwave link system for audio applications. For the transmitter…
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