Atec JDSU-JD748A - Manual (Page 2)

2
JD748A CELLADVISOR SIgnAL AnALYZER
Spectrum Analyzer (Standard)
Frequency
Frequency range 100 kHz to 4 GHz
Internal 10 MHz Frequency Reference
Accuracy ±0.05 ppm + aging (0 to 50°C)
Aging ±0.5 ppm/year
Frequency Span
Range 0 Hz (zero span)
10 Hz to 4 GHz
Resolution 1 Hz
Resolution Bandwidth (RBW)
–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)
Video Bandwidth (VBW)
–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)
Single Sideband (SSB) Phase Noise
Fc 1 GHz, RBW 10 kHz, VBW 1 kHz, RMS detector
Carrier offset:
30 kHz
100 kHz
1 MHz
<–90 dBc/Hz (typical)
<–95 dBc/Hz (typical)
<–102 dBc/Hz (typical)
Measurement Range
DANL to +20 dBm
Input attenuator range 0 to 50 dB, 5 dB steps
Maximum Input Level
Average continuous power +20 dBm
DC voltage ±50 VDC
Displayed Average Noise Level (DANL)
1 Hz RBW, 1 Hz VBW, 50 Ω termination, 0 dB attenuation, RMS detector
Preamplifier Off:
10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz
–140 dBm (–146 dBm, typical)
–138 dBm (–144 dBm, typical)
–135 dBm (–140 dBm, typical)
Preamplifier On:
10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz
–155 dBm (–160 dBm, typical)
–153 dBm (–158 dBm, typical)
–150 dBm (–156 dBm, typical)
Display Range
Log scale and units
(10 divisions displayed) 1 to 20 dB/division in 1 dB steps
dBm, dBV, dBmV, dBµV
Linear scale and units
(10 divisions displayed)
V, mV, mW, W
Detectors Normal, positive peak, sample,
negative peak, RMS
Number of traces 6
Trace functions Clear/write, maximum hold,
minimum hold, capture, load
view on/off
Total Absolute Amplitude Accuracy
Preamplifier off, power level >–50 dBm, auto-coupled (20 to 30°C)
5 MHz to 4 GHz
±1.25 dB, ±0.5 dB (typical)
±1.55 dB, ±1.0 dB (typical) Attenuation <40 dB
Attenuation ≥40 dB
Reference Level
Setting range –120 to +100 dBm
Setting resolution
Log scale
Linear scale
0.1 dB
1% of reference level
Markers
Marker types Normal, delta, delta pair, noise,
frequency count marker
Number of markers 6
Marker functions Peak, next peak, peak left,
peak right, minimum search
marker to center/start/stop
RF Input VSWR
20 MHz to 4 GHz 1.5:1 (typical)
Second Harmonic Distortion
Mixer level = –25 dBm
10 MHz to 1.3 GHz
<–65 dBc (typical)
>1.3 GHz to 4 GHz <–70 dBc (typical)
Third-order Inter-modulation (Third-order Intercept: TOI)
200 MHz to 2 GHz +10 dBm (typical)
>2 GHz to 4 GHz +12 dBm (typical)