Introduction (18-0015) AM-48 Test Set
0015-S011-8
Table 1-3. AM-48 Receiver (Measure) Technical Specifications
Characteristic Specification
Level/Freq Level is measured with an average responding detector.
Range is -65.0 to +10.9 dBm with 0.1 dBm resolution.
Accuracy is as follows:
±0.2 ±0.5
±0.4 ±0.8
200 Hz
+10 dBm
-40 dBm
-65 dBm
15 kHz 20 kHz
Note: Accuracy is ±0.1 dBm at 1004 Hz from -20
dBm to 0.0 dBm.
Frequency is measured from 200 Hz to 19,999 Hz with an
accuracy of ±.01% ±1 Hz, and a resolution of 1 Hz. Input
level -40 to +10 dBm.
PAR Peak-to-Average Ratio (PAR) is measured from 0 to 120
PAR units to a resolution of 1 PAR unit. Accuracy is ±2
from 30 to 110, ±4 from 0 to 120 over a signal range of -40
to 0 dBm.
PAR signal level is measured from -40 to 0 dBm, with a
resolution of 1 dBm, using an RMS detector.
Noise Noise is measured with an RMS responding detector from
10 to 99 dBrn to 1 dBrn resolution. Accuracy is ±1 dBrn
from 20 to 99 dBrn, and ±2 dBrn from 10 to 20 dBrn.
Weighting Filters are 3 kHz flat, 15 kHz flat, CMSG, and
Program filter.
Notched Noise Notched Noise is the same as noise with the addition of a
1010 Hz notch filter, minimum 50 dB deep from 995 to 1025
Hz.
S/N ratio Signal-to-Noise (S/N) ratio display the ratio of signal
(holding tone) to notched noise. The signal must be -40 to
+10 dBm. The notched noise may be 10 to 70 dBrn. The
S/N ratio may be from 10 to 50 dB. Resolution is 1 dB.
Accuracy is ±1 dB for notched noise 20 to 70 dBrn, and ±2
dB for notched noise from 10 to 20 dBrn.
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