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Tektronix RSA503A

The RSA500A Series USB spectrum analyzers offer high performance portable spectrum analysis in a rugged battery-powered package.

Features and benefits:

◦ 9 kHz to 3.0 GHz frequency range covers a broad range of analysis needs 

◦ 40 MHz acquisition bandwidth enables real time analysis for transient capture and vector analysis 

◦ Standard GPS/GLONASS/Beidou receiver for mapping and reference oscillator accuracy enhancement 

◦ Optional tracking generator for gain/loss, antenna and cable measurements 

◦ Streaming capture can be used to record and play back long term events 

◦ Mil-Std 28800 Class 2 environmental, shock and vibration specifications for use in harsh conditions 

◦ Internal battery for extended field operations 

◦ SignalVu-PC software offers real time signal processing with DPX Spectrum/Spectrogram to minimize time spent on transient and interference hunting 

◦ 27 μsec minimum signal duration with 100% probability of intercept ensure you see problems first time, every time 
◦ Application programming interface included for development of custom programs 

◦ Accessories including tablet PC, calibration kits, adapters and phasestable cables offer a complete field solution for interference hunting and transmitter maintenance

All product specific Options and Accessories listed in datasheet are available for purchase. If purchasing Service Options or SignalVu-PC, price will be added to total after you check out and Technical Account Manager contacts you to help you choose the right options for your application.

Availability: Stock-2 weeks



◦ General purpose spectrum analysis
◦ Radio network installation and maintenance
◦ Spectrum monitoring
◦ Spectrum management
◦ Interference hunting
◦ EMI/EMC compliance testing and troubleshooting
◦ Spectrum operations
◦ Radiation hazard (RADHAZ) testing
◦ Emissions control (EMCON) monitoring
◦ Signal intelligence (SIGINT) monitoring

SignalVu-PC application-specific licenses:

Download datasheet for more information
Applications include:
◦ General-purpose modulation analysis (27 modulation types including 16/32/64/256 QAM, QPSK, O-QPSK, GMSK, FSK, APSK)
◦ EMC/EMI analysis with CISPR peak, quasi-peak, and average detectors
◦ Buetooth® analysis of Basic Rate, Low Energy, and Bluetooth 5. Some support of Enhanced Data Rate
◦ P25 analysis of phase I and phase 2 signals
◦ WLAN analysis of 802.11a/b/g/j/p, 802.11n, 802.11ac
◦ LTE™ FDD and TDD Base Station (eNB) Cell ID and RF measurements Mapping
◦ Pulse analysis
◦ AM/FM/PM/Direct Audio Measurement including SINAD, THD
◦ Playback of recorded files, including complete analysis in all domains
◦ Signal classification and survey

RF Input Impedance:

50 Ω

RF VSWR (RF Attn = 20 dB), typical:

< 1.2 (10 MHz to 3 GHz)
< 1.5 (>3 GHz to 7.5 GHz)
<1.9 (>7.5 GHz to 18 GHz)

RF VSWR preamp ON, RSA503A and RSA507A, typical:

< 1.5 (10 MHz to 6 GHz, RF ATT=10 dB, preamp on)
< 1.7 (> 6 GHz to 7.5 GHz, RF ATT=10 dB, preamp on)
<1.9 (>7.5 GHz to 18 GHz, RF ATT = 10 dB, preamp ON)

Maximum DC voltage:

±40 V (RF input)

Maximum safe input power:

+33 dBm (RF input, 10 MHz to 18.0 GHz, RF Attn ≥ 20 dB)
+13 dBm (RF input, 9 kHz to 10 MHz, RF Attn ≥ 20 dB)
+20 dBm (RF input, RF Attn < 20 dB)

Maximum safe input power (Preamp On):

+33 dBm (RF input, 10 MHz to 18.0 GHz, RF Attn ≥ 20 dB)
+13 dBm (RF input, 9 kHz to 10 MHz, RF Attn ≥ 20 dB)
+20 dBm (RF input, RF Attn < 20 dB)

Maximum measurable input power:

+30 dBm (RF input, ≥10 MHz to Fmax, RF ATT Auto)
+20 dBm (RF input, <10 MHz, RF ATT Auto)

Input RF Attenuator:

0 dB to 51 dB (1 dB step)

Frequency Range:

9 kHz-3.0 GHz

Frequency Marker Readout Accuracy:

±(RE × MF + 0.001 × Span) Hz
RE: Reference Frequency Error
MF: Marker Frequency [Hz]

Reference Frequency Accuracy:

Initial accuracy at Cal (30 min warm-up) ±1 x 10-6
First year aging, typical ±1 x 10-6 (1 year)
Cumulative error (Initial accuracy + temperature + aging), typical 3 x 10-6 (1 year)
Temperature drift ±0.9 x 10-6 (-10 to 60 °C)
External reference input BNC connector, 50 Ω nominal
External reference input frequency Every 1 MHz from 1 to 20 MHz plus the following: 1.2288 MHz, 2.048 MHz, 2.4576 MHz, 4.8 MHz, 4.9152 MHz, 9.8304 MHz, 13 MHz, and 19.6608 MHz. The spurious level on the input signal must be less than -80 dBc within 100 kHz offset to avoid on-screen spurious.
External reference input range ± 5 ppm
External reference input level -10 to +10 dBm


Accuracy, when locked to GNSS ±0.025 ppm2
GNSS Trained Accuracy, when GNSS antenna is disconnected
±0.025 ppm5
±0.08 ppm6

Minimum Event Duration for 100% POI:

15 μs


2.99 kg (6.6 lb) with battery

SFDR Typical:

70 dBc

For more information, download the product datasheet

More information on Amplitude and RF, Trigger, Noise and distortion, Phase noise, SignalVu-PC standard measurements and performance, Acquisition, Tracking generator, Input and output ports, Installation requirements, Physical characteristics, Environmental and safety, and Dynamics.

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