Datasheet

PM measurements Carrier Power, Carrier Frequency Error, Audio Frequency, Deviation (+Peak, -Peak, Peak-Peak/2, RMS), SINAD, Modulation
Distortion, S/N, Total Harmonic Distortion, Total Non-harmonic Distortion, Hum and Noise
Audio filters Low pass, kHz: 0.3, 3, 15, 30, 80, 300, and user-entered up to 0.9 × audio bandwidth
High pass, Hz: 20, 50, 300, 400, and user-entered up to 0.9 × audio bandwidth
Standard: CCITT, C-Message
De-emphasis (μs): 25, 50, 75, 750, and user-entered
File: User-supplied .TXT or .CSV file of amplitude/frequency pairs. Maximum 1000 pairs
Performance
characteristics, typical
Conditions: Unless otherwise stated, performance is given for:
Modulation rate = 5 kHz
AM depth: 50%
PM deviation 0.628 Radians
FM AM PM Conditions
Carrier Power accuracy Refer to instrument amplitude accuracy
Carrier Frequency
accuracy
± 0.5 Hz + (transmitter
frequency × ref. freq.
error)
Refer to instrument
frequency accuracy
± 0.2 Hz + (transmitter
frequency × ref. freq.
error)
FM deviation: 1 kHz /
10 kHz
Depth of Modulation
accuracy
NA ± 0.2%+(0.01 *
measured value)
NA Rate: 1 kHz to 100kHz
Depth: 10% to 90%
Deviation accuracy ± (1% × (rate +
deviation)+50 Hz)
NA ± 100% * (0.01 +
(measured rate/1 MHz))
FM Rate: 1 kHz to
1 MHz
Rate accuracy ± 0.2 Hz ± 0.2 Hz ± 0.2 Hz FM deviation: 1 kHz to
100 kHz
Residual THD 0.10% 0.13% 0.1% FM Deviation: 5 kHz
Rate: 1 kHz to 10 kHz
Depth: 50%
Residual SINAD 43 dB 58 dB 40 dB Deviation 5 kHz
Rate: 1 kHz to 10 kHz
Depth: 50%
APCO P25 Measurements
(SV26xx-SVPC)
Measurements RF output power, operating frequency accuracy, modulation emission spectrum, unwanted emissions spurious, adjacent channel
power ratio, frequency deviation, modulation fidelity, frequency error, eye diagram, symbol table, symbol rate accuracy, transmitter
power and encoder attack time, transmitter throughput delay, frequency deviation vs. time, power vs. time, transient frequency
behavior, HCPM transmitter logical channel peak adjacent channel power ratio, HCPM transmitter logical channel off slot power,
HCPM transmitter logical channel power envelope, HCPM transmitter logical channel time alignment, cross-correlated markers
Modulation fidelity, typical CF = 460 MHz, 815 MHz
C4FM ≤ 1.0%
HCPM ≤ 0.5%
HDQPSK ≤ 0.25%
Input signal level is optimized for best modulation fidelity.
Laboratory Spectrum Analyzer
SignalVu-PC applications performance summary
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