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Summary of Contents for Signal Hound USB-SA44B
- Page 1 USB-SA44B Spectrum Analyzer User Manual...
- Page 2 Signal Hound USB-SA44B User Manual 2016, Signal Hound, Inc. 35707 NE 86th Ave La Center, WA 98629 USA Phone 360.263.5006 • Fax 360.263.5007 This information is being released into the public domain in accordance with the Export Administration Regulations 15 CFR 734...
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Page 3: Table Of Contents
Contents 1 Preparing for Use ................................1 2 Getting Started .................................. 2 3 Theory of Operation ................................7 4 Troubleshooting ................................8 5 Calibration and Adjustment ............................. 9 6 Specifications .................................. 10... - Page 4 7 Warranty and Disclaimer ..............................13...
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Page 5: Preparing For Use
The Signal Hound is powered from the USB cable, eliminating the need for a separate power supply. Measuring less than 8 inches long and weighing only ten ounces, the Signal Hound can be used virtually anywhere! 1.1 INITIAL INSPECTION Check your package for shipping damage before opening. -
Page 6: Getting Started
2 Getting Started Learn about the features of your USB-SA44B Signal Hound Spectrum Analyzer 2.1 FRONT & REAR PANELS The front panel includes a 50Ω SMA RF input. Do not exceed +20 dBm or damage may occur. - Page 7 Getting Started | Front & Rear Panels...
- Page 8 Measurement Capabilities 2.2 MEASUREMENT CAPABILITIES The Signal Hound is capable of making a wide range of measurements, with resolution bandwidths from less than 1 Hz to 250 kHz. The internal I/Q demodulator captures up to 2 Megabytes of information each second, with a hardware-limited bandwidth of 250 KHz.
- Page 9 2.2.4 Attenuator, Preamplifier, Intermediate Frequency and Gain, and ADC Clock Settings The Signal Hound switches between two intermediate frequencies, four attenuator settings, two preamplifier settings, two ADC clock frequencies, and three IF gain settings when measuring signals and performing image suppression. Unless you explicitly disable the automatic settings, the best settings for your reference level, center frequency, and span will be automatically selected.
- Page 10 2.3.6 Using Sync Out / Trigger In A 3.3V CMOS output may be used to synchronize the USB-SA44B to the TG44A or TG124A tracking generator. Legacy software allowed some additional triggering options available for a very limited range of applications, but these have been removed to enhance the stability of our new platform. Consult the appropriate manual for additional details.
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Page 11: Theory Of Operation
Learn about the internal blocks that make up the Signal Hound The Signal Hound is built around a narrow-band IF-to-bits receiver with a maximum bandwidth of 250 KHz. It receives up to 2 Megabytes of I/Q data each second, which it processes into a trace. To bring you a low cost, compact spectrum analyzer, we used high-level RF integrated circuits. -
Page 12: Troubleshooting
or trigger cables from the Signal Hound and wait 5 seconds. Plug the USB cable back in. Check that both ends of the USB cable are firmly seated and the Signal Hound LED is green. Launch the Spike Software. Try your sweep again. -
Page 13: Calibration And Adjustment
5) You receive a specific error code Error 1: Your Signal hound was not found on a USB port. Plug in your Signal Hound if it isn’t already. If it is already plugged in, unplug it, reboot, re-install the USB driver, and/or try a different USB port. -
Page 14: Specifications
Specifications | Frequency 6 Specifications Unless otherwise stated, specifications are valid for an ambient temperature range of 0 to 70°C (or -40 to +85°C for option 1), image rejection on, amplitude of signal applied less than the reference level, and a supplied USB voltage to the device above 4.39V. - Page 15 Specifications | Sweep Frequency RF Preamp Off RF Preamp On 10Hz -124 dBm 100Hz to 10KHz -130 dBm 10KHz to 500KHz -142 dBm 500KHz to 10MHz -142 dBm -153 dBm 10MHz to 100MHz -148 dBm -161 dBm 100MHz to 1GHz -144 dBm -158 dBm 1GHz to 2.6GHz...
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Page 16: Inputs And Outputs
SMA RF Input 6.6 ENVIRONMENT Operating Temperature 0 to +70 °C (std), -40 to +85°C (option 1) 6.7 CALIBRATION Test with factory calibration software to verify that USB-SA44B is operating within tolerance. Recommended calibration interval is 1 year at 20°C to 25°C. -
Page 17: Optional Accessories
Warranty and Disclaimer | Adjustments 6.8 ADJUSTMENTS Factory adjustment software shall be used to generate new calibration constants when USB-SA44B will not pass calibration. Temperature correction data is generated only at time of manufacture. 6.9 OPTIONAL ACCESSORIES 1. 20dB Fixed Attenuator, Mini Circuits Part # VAT-20+ 2. - Page 18 Warranty and Disclaimer | Warranty Service 7.2 WARRANTY SERVICE For warranty service or repair, this product must be returned to Test Equipment Plus. The Buyer shall pay shipping charges to Test Equipment Plus and Test Equipment Plus shall pay UPS Ground, or equivalent, shipping charges to return the product to the Buyer.
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