Drake 1-A Receiver Performance Test

Drake 1-A

Drake 1-A

Band MDS Blocking Two-tone D.R.
(20 kHz) (20 kHz)
 
80 meters -130 dBm 109 dB 67 dB
40 meters -130 dBm 107 dB 67 dB
20 meters -130 dBm 107 dB 67 dB

AM Audio S/N:




AM Audio Frequency Response:

 
100 Hz 200 Hz 400 Hz 600 Hz 800 Hz 1 kHz 2 kHz 3 kHz 4 kHz 5 kHz 6 kHz
 

AM Audio Distortion:

 
Mod% 100 Hz 200 Hz 400 Hz 600 Hz 800 Hz 1 kHz 2 kHz
 
30%
50%
70%
90%
100%

Notes: AM audio S/N, frequency response and distortion were not measured on the 1-A since it is designed as an SSB only receiver. AM detection, while possible using the product detector in exhalted carrier mode, is limited by the tight i-f bandpass.