SA44B — 4.4 GHz Spectrum Analyzer

The Signal Hound SA44B is a Software Defined Receiver (SDR) optimized as a narrow-band real-time RF spectrum analyzer. It is a compact, simple to use, effective troubleshooting tool for the general lab user, engineering students, and ham radio enthusiast.


Features

  • RF Frequency Range: 1 Hz to 4.4 GHz
    • Low noise amplifier available above 500 KHz
  • Wide dynamic range: -151 dBm to +10 dBm
  • Resolution bandwidths (RBW) of 0.1 Hz to 250 KHz and 5 MHz
  • Includes a High Dynamic Range Measuring Receiver
    • 0.25 dB relative accuracy
    • 0 dBm to -125 dBm, 150 KHz to 1 GHz
    • 0 dBm to -115 dBm, 1 GHz to 4.4 GHz
    • Adjustable digital audio filters
    • Accurate AM and FM measurements
  • No external power supply needed – draws power from USB
  • Powerful Digital Signal Processing happens on the PC
  • Software and Hardware included for one low price
  • Additional Third-Party Software Packages are available
  • Write your own software with our free Application Programming Interface (API)
    • I/Q Data up to a 240 KHz bandwidth
    • Frequency Sweeps up to 140 MHz per second
  • Compatible with Windows 7/8/10 32-bit and 64-bit operating systems.
  • AM and FM Demodulation Measurements
  • USB 2.0 communications at 480 MBPS
  • Demodulates AM/FM/SSB/CW audio in real-time
  • Automation capability using our API
  • Measures 8 inches long
  • Weighs 10 ounces

ModeSA44B
Frequency Range1 Hz to 4.4 GHz
Resolution Bandwidth

0.1 Hz to 250 kHz and 5 MHz

Displayed Average
Noise Level (DANL)
Input Frequency Range              RF Preamp Off          RF Preamp On
• 10 Hz                                         -124 dBm                   N/A
• 10 Hz to 10 kHz                        -135 dBm                   N/A
• 10 kHz to 500 kHz                    -142 dBm                   N/A
• 500 kHz to 10 MHz                  -142 dBm                   -153 dBm
• 10 MHz to 100 MHz                -148 dBm                   -161 dBm
• 100 MHz to 1 GHz                   -144 dBm                   -158 dBm
• 1 GHz to 2.6 GHz                     -139 dBm                   -151 dBm
• 2.6 GHz to 3.3 GHz                  -135 dBm                   -151 dBm
• 3.3 GHz to 4.4 GHz                  -128 dBm                   -134 dBm
Internal Frequency
Reference Accuracy
± 1 ppm (standard); 0.1 ppm (option-1)
Counter Accuracy

± (1Hz + timebase error)

Amplitude
Range: + 10 dBm to Dispalyed Average Noise Level (DANL)
Absolute Accuracy
• ±1.5 dB (0 dBm to DANL)
• ±2.0 dB (+10dBm to >0 dBm)
Measuring receiver
• Operating Frequency: 150 kHz to 4.4 GHz
• FM Accuracy ± 1% typical
• AM Accuracy ± 1% typical
• Synchronous Level Detector ± 0.25 dBc (0 dBm to -125 dBm)
• 150 kHz to 1 GHz
•0 dBm to -115 dBm
• 1 GHz to 4.4 GHz
Operating TemperatureStandard (passive cooling) 32°F to 158°F
Size and Weight• 7.65" x 3.18” x 1.18” (194mm x 80mm x 30mm• 74 lbs. (0.33 kg)
Power Consumption• 2 Watt (typ)
InterfaceUSB 2.0
System RequirementsWindows Operating System