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The Simplified Receiver is strictly an audio output device. It is just
as sensitive as the Complete Receiver but has no provision for measuring
signal strength. The unit shown has jacks wired to activate both
elements of stereo headphones in parallel. It is better to use old
"Lo-Fi" sensitive high impedance mono headphones if you can find them.
The Audio Null pot shown is 1-turn, shunted with 2k Ohms to make tuning
less critical. With a steady Beacon signal, the audio output varies about
1.3dB in amplitude (inaudible) as the signal drifts between receiver channels.
The Complete Receiver Phase-Locks the signal into one channel to eliminate
this problem and to provide a steady DC signal strength output. |
