[time-nuts] New Distribution Amplifier Kit

dave powis g4hup at btinternet.com
Sun Feb 15 21:50:41 UTC 2009

Hello all,

Just to let you know that I've added a 4 way distribution amplifier kit to my products at http://g4hup.com/DA/DA1_4.htm.

I'll also openly tell you that is not intended as a high quality lab instrument, but is a simple general purpose tool intended for distribution of signals anywhere up to 1800MHz, where phase and output level accuracy variations are not very critical.  There is (deliberately) no frequency tailoring or transformer isolation provided in the unit, but details of how to achieve this externally are given in the documentation for the unit.  It is ideal for sending 10MHz to your test equipment stack for general purpose measurements, or for distributing an rf signal to a number of destinations, such as sharing an IF signal between conventional and SDR receivers.

Having run it down in the last paragraph, when driven from a nominal +10dBm source the measured phase variation between the outputs at 10MHz is less than 3 degrees, and it provides 4 +10dBm outputs within +/- 0.25dB.  There is also a variant that will provide distribution of GPS antenna signals, including providing power feed for the active GPS antenna itself.

For those who may not want to know about this, my apologies for the bandwidth!

Dave, G4HUP


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