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Mini-Kits Photo 2018-07-30 01:59

We have added many new products into stock in the past few weeks including Epcos / TDK Ferrite cores that are suitable for suppression of noise, and for use as chokes in power amplifiers on 137 and 472kHz. I have tried to keep the part number generic like the Fair-rite brand with T157 being a 1...

Mini-Kits Photo 2018-06-20 02:21

With recent WSPR tests on the 630m 472kHz band using only 5W into the very inefficient resonant antenna, a problem has been found with causing interference to the ADSL modem that causes erratic performance with poor and intermittent data throughput. Another Ham has also found the same issue and ha...

Gain Block & Drivers Millimeter Wave Amplifiers

Thanks To Doug Friend VK4OE for alerting me to this. Most Broadcom previously Avago and HP amplifiers and diodes have been marked as end of life and are all discontinued. This includes low noise PHEMT MMICs like the MGA86563, MGA82563 etc. There appears to be no replacements from Broadcom or other...

70cm UHF RX/TX Preamplifier - Mini-Kits 2016-10-11 04:00

The New High Performance EME221 70cm 430-450MHz masthead Pre-amplifier Kit and built products are now in stock. This is a very long awaited product that will give a very large receiver performance increase to most 70cm Multimode Transceivers allowing you to hear many more weak signals by overcoming ...

Mini-Kits Photo 2016-07-01 05:25

I am continuously developing new Kits and updating older designs, so if you have any suggestions for new Kits or products then please let me know so that I can do some research on them to see if its viable. It can be very time consuming to develop new Kits, constructing prototypes, documentat...

Mini-Kits Photo 2016-05-06 05:52

There are a number of projects currently being developed including replacement 2 and 6M band masthead amplifiers and the much anticipated 70cm and 23cm masthead amplifiers. Its been difficult to source suitable relays for the 70/23cm preamps that can handle up to 100watts SSB and also have enough...
M1 Noise Blanker Prototyping - Mini-Kits 2016-04-01 05:05

M1 Noise Blanker Prototyping - Mini-Kits 2016-04-01 05:05

M1 Noise Blanker Prototyping: Here short video of the prototype noise blanker for the M1. The design uses a separate noise receiver and fast comparator to switch a schottky diode NB gate. The powerline noise today is typical for Adelaide with the windy dry conditions making it impossible to hear...
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FarmVille Photo 2018-06-05 19:42

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