USING YOUR SA7 PRE-AMP
The very best way to find out what your SA7 can do, and also cannot do, is to set one up right from the beginning with the input and output connections most practical for your uses. If you are building it with no specific or "dedicated" use in mind, we suggest that you setup its connections to serve as a sort of quick- connect test instrument. Try it out in a variety of situations.
A small metal mini-box with convenient input and output connectors makes a dandy little amp to use around the shop. It is ideal for perking up your frequency counter, shortwave rig or wireless FM transmitter. Having the amplifier in a rugged box with connectors permanently attached allows easy hook-up to all sorts of equipment.
THE RAMSEY PR2: ULTIMATE BROADBAND PRE-AMP
After you find out how practical a well-built SA7 can be, you will be quite impressed with the higher gain plus the convenient AC power supply, BNC I/O connectors and LED "on-off" indicator of the Ramsey PR2. The PR2 uses an advanced microwave MMIC for signal-to-noise figures that are typically 27 db (over 4 "S-units") gain, and only 2-3 db of noise. The PR2 also features a high power output compression point of 18 dBm - almost 100 milliwatts!
SA7—9