User Manual

Page 51
12 Specification
12.1.1 Frequency Measurement
Frequency Span
Frequency Range:
1 MHz to 2700 MHz in one range - PSA2702
1 MHz to 1300 MHz in one range - PSA1302
Setting Modes:
Centre frequency plus Span, or Start frequency plus Stop frequency
Maximum Span:
2699 MHz (1 MHz to 2700 MHz) - PSA2702
1299 MHz (1 MHz to 1300 MHz) - PSA1302
Minimum Span:
270 kHz, or Zero Span with demodulation
Setting Resolution:
1 kHz at any frequency
Setting Accuracy:
Reference Frequency Accuracy for Start, Stop & Centre (Zero-Span)
frequencies
Reference Frequency Accuracy
Initial Accuracy:
Better than ± 10 ppm at 20
o
C
Stability:
Better than ± 10 ppm over 10
o
C to 30
o
C
Ageing:
Better than ± 3 ppm per year
Phase Noise
Phase Noise:
Typically -90dBc/Hz at 100kHz offset at 500MHz
Resolution Bandwidth
RBW:
Selectable as 1 MHz, 280 kHz or 15 kHz
Video Filtering:
Selectable On or Off
Frequency Markers
Number of Markers:
One, Two, or None
Marker Resolution:
0.1 kHz at all frequencies
Marker Accuracy:
1/270
th
of Frequency Span ± 0.1kHz + Reference Frequency Accuracy
Frequency Readout:
Display of absolute and difference frequencies for both markers
12.1.2 Amplitude Measurement (Level)
Amplitude Range
Display Range:
85 dB
Measurement Units
dBm or dBµV (dB milliwatts or dB micro volts)
Reference Level:
Selectable as -20 dBm or 0dBm (87 dBµV or 107 dBµV)
Amplitude Accuracy
Ref. Level Accuracy:
Better than ± 1 dB at 50MHz at 10dB below ref. level (20
o
C ± 5
o
C)
Level Flatness:
Better than ± 1.5 dB relative to 50MHz over 1MHz to 2700MHz
Amplitude Linearity:
Better than ± 1 dB over 50dB range down from reference level
Noise Floor
Noise Floor:
Better than -95 dBm average displayed noise floor for F > 3MHz
(reference level = –20 dBm, RBW = 15 kHz, video filter On)
Distortion and Spurii
3rd Order Intermod.:
< –60dBc for two signals(500MHz and 502MHz) at 10dB below
reference level
Harmonic:
< –60dBc at 10dB below reference level (100MHz)
1st & 2nd Image:
<– 55dBc, typically <– 60dBc
Residual Spurii:
<3dB above noise floor