Instructions
Table Of Contents
- Cover PSA27021302- iss 12
- PSA2702_1302 Instruction Manual - Iss 12
- 1 Product Introduction
- 2 Basics of Operation
- 3 Quick Start Guide
- 4 Operation using the Menu System
- 4.1 Setting the Frequency Range of the Sweep
- 4.2 Sweep Time
- 4.3 Zero Span Mode (Demodulation Mode)
- 4.4 Setting the Sweep Mode and Sweep Bandwidth (RBW)
- 4.5 Setting the Level Attenuator, Amplitude Scale, and Limits
- 4.6 Controlling and Storing Traces and Images
- 4.7 Using Measurement Markers
- 4.8 Data Logging Functions (when fitted)
- 4.9 Storing and Recalling Set-ups | System Settings
- 4.10 Status Information | On-screen Help | System Utilities
- 4.11 Using Instrument Presets | Automatic Setting
- 5 File Storage for Traces, Screen Images & Set-ups
- 6 Upgrade Option U01
- 7 Further Notes on Operation
- 7.1 Signal Overload Levels and Indication
- 7.2 Operation using the Hard Keys Only
- 7.3 Setting Frequencies
- 7.4 Measuring Relative Amplitude
- 7.5 Triggered Operation
- 7.6 Level Offset and Compensation Tables
- 7.7 Limit Lines & the Limits Comparator | Creating Limit Patterns
- 7.8 The Logging Function
- 8 USB Connections | File System & Files Types
- 9 Default Settings | Power On State | Hard Reset
- 10 Firmware Updates | Upgrades | Maintenance
- 11 Safety Information
- 12 Specification
- 13 Appendix A: Optional Accessories
- 14 Appendix B: PSA-Manager and PSA-View Software
- 15 Appendix C: Factory Default Settings
- 16 Appendix D: Menu Tree Diagram
- Cover PSA27021302- iss 12

Page 57
12 Specification
PSA1302 limits, where different, are shown in square brackets [ ] after the PSA2702 limits.
12.1.1 Frequency Measurement
Frequency Span
Frequency Range:
1 MHz to 2700 MHz [1 MHz to 1300 MHz] in one range
Setting Modes:
Centre frequency plus Span, or Start frequency plus Stop frequency
Maximum Span:
2699 MHz [1299 MHz] for Normal sweep mode
Minimum Span:
270 kHz, or Zero Span with demodulation
Setting Resolution: 1 kHz at any frequency
Setting Accuracy:
Reference Frequency Accuracy for Start, Stop and Centre frequencies.
Reference Frequency Accuracy
Initial Accuracy:
Better than ± 10 ppm at 20
o
C
Stability/Ageing:
Better than ± 10 ppm over 10
o
C to 30
o
C / 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
Channel Markers (only with Option U01)
Channel markers are vertical lines on the screen based upon frequency
values within a file. They are a special case of Limit Patterns.
Number of Markers: Up to 49 markers per file. Two files can be displayed in differing colors.
Zero Span Audio Demodulation
Demod. Modes:
AM or FM
Internal Audio:
Internal loudspeaker with adjustable volume and mute
Audio Out:
30 mW into 32 Ohms mono or stereo headphones, adjustable volume,
3.5mm jack socket (auto disconnect of internal loudspeaker)
Audio Filter
Selectable low-pass filter to attenuate high frequency interference.
2 pole filter with turnover point at approximately 3 kHz.
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










