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General Purpose Distribution Amplifiers
These amplifiers were designed primarily for the distribution of 10MHz reference signals around the shack and workshop,
and other applications using signals up to about 100MHz. However, both of the devices presented here offer useful
frequency responses well beyond that original spec. As well as 10MHz reference distribution, other applications include:
- routing microwave IF's to multiple receivers (eg conventional and SDR),
- splitting LO outputs to drive transmit and receive converters,
- sampling LO outputs to drive PLL's and Reflocks etc,
- and providing the 'missing 3dB' that we so often need in our transmit chains!
Two DA's are offered - 2 way and 4 way. Both of these are based around the Siemens BGA616 MMIC.
Note that initial versions are available on prototype PCBS (ie handmade) and you will need to do some preparation work,
such as providing through grounding (both versions) and strapping of the DC supply (DA1-4).
Page created: 29.07.2008
Last updated: 02.08.2008