SP145 — 14.5 GHz Real-time Spectrum Analyzer K0139
SP145 — 14.5 GHz Real-time Spectrum Analyzer K0139

SP145 — 14.5 GHz Real-time Spectrum Analyzer

Offering real-time analysis up to 14.5 GHz with ultra-fast sweep speeds in a portable form factor, the SP145 is your ideal RF analysis companion in the field and at the lab.


Ultra-fast, ultra-portable RF analysis up to 14.5 GHz

The SP145 is a high-performance, 14.5 GHz real-time spectrum analyzer and monitoring receiver featuring sweep speeds up to 200 GHz/sec, 40 MHz streaming bandwidth, -160 dBm displayed noise average, and an internal GPS for enhanced field measurements.


At-a-glance specs:

  • 100 kHz to 14.5 GHz frequency range
  • Sweeps at 200 GHz/sec (at ≥70 kHz RBW)
  • Calibrated Streaming I/Q: Up to 40 MHz of selectable I/Q streaming bandwidth
  • Connects to a PC for analysis (Spike spectrum analysis application included) via USB-C
  • Small form factor: 7.45″ x 4.51″ x 1.81″ (189mm x 115mm x 46mm) 1.1 lbs.(0.5 kg)
  • Extended temperature range option available
  • Compatible with Windows or Linux, x64_86 architecture

ModeSP145
Frequency Range100 kHz to 14.5GHz
Sweep Speed

Speed                            RBW
• 200 GHz/sec               ≥70 kHz
• 135 GHz/sec               30 kHz
• 90 GHz/sec                 10 kHz
• 36 GHz/sec                 3 kHz
• 13.5 GHz/sec              1 kHz

Displayed Average
Noise Level (DANL)
Frequency Range                       dBm/Hz                        Typical
• 0.1 kHz to 50 MHz                   -158 dBm                     -161 dBm
• 50 MHz to 1000 MHz              -164 dBm                     -169 dBm
• 1 GHz to 4.5 GHz                     -163 dBm                     -168 dBm
• 4.5 GHz to 12 GHz                   -161 dBm                     -167 dBm
• 12 GHz to 14.5 GHz                 -157 dBm                     -162 dBm
I/Q Acquisition Modes

Calibrated Streaming I/Q:

Up to 40 MHz of selectable I/Q streaming bandwidth

Timebase Accuracy

• +/-1ppb when locked to GPS

System Noise Figure (typ)• 8 dB over 50 MHz to 2.7 GHz
• 10 dB from 2.7 GHz to 4.5 GHz
• 12 dB from 4.7 GHz to 8.5 GHz
LinearityIP2                                                          IP3
• 100 kHz to 500 MHz     +40 dBm      • 100 kHz to 2.8 GHz       +30 dBm
• 500 GHz to 13 GHz       +30 dBm      • 2.8 GHz to 5.3 GHz        +24 dBm
• 13 GHz to 14.5 GHz      +28 dBm      • 5.3 GHz to 14.5 GHz      +22 dBm
Amplitude Accuracy
• Absolute Accuracy : ±2.0dB (Flat top window)
• Range : +10dBm to Displayed Average Noise Level (DANL)
Residual Responses
• <-103 dBm (ref Level ≤ -20dBm, 0dB Attenuation)
SSB Phase Noise at 1 GHz
Center Frequency		Offset Frequency          dBc/Hz
• 10 Hz                              -60
• 100 Hz                            -80
• 1 kHz                              -100
• 10 kHz                            -120
• 100 kHz                          -120
• 1 MHz                            -135
Lo Leakage at RF Input

• Below 5GHz : <-80dBm
• 5 GHz to 10GHz : <-47dBm
• 10GHz to 12.2GHz : <-37dBm
• 12.2GHz to 14.5GHz : <-27dBm

Spurious Mixer Responses• -40dBc (Typical)
SynchronizationExternal trigger, GPIO, Internal GPS (+/-40ns)
Operating Temperature
Standard 32°F to 113°F (0°C to +45°C)
Size and Weight • 7.45”x 4.51”x 1.81”(189mm x 115mm x 46mm)  • 1.1lbs. (0.5kg)
Power Consumption• 5 VDC • 10 Watt Maximum
InterfaceUSB Type C
System RequirementsWindows or Linux Operating System, x64_86 architecture