USB-TG44A Tracking Generator

USB-TG44A Tracking Generator

Rated 4.67 out of 5 based on 24 customer ratings
(24 customer reviews)

$599.00

The Signal Hound USB-TG44A is a 10 Hz to 4.4 GHz tracking generator which works with your USB-SA44(B) to measure filters, attenuators, amplifiers and more!

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SKU: USB-TG44A. Product category is .

Combine this tracking generator with a USB-SA44B spectrum analyzer to create a Scalar Network Analyzer and save!

The Signal Hound USB-TG44A is a 10 Hz to 4.4 GHz tracking generator which works with your USB-SA44(B) to measure filters, attenuators, amplifiers and more! It is compact, simple to use, and an effective troubleshooting tool for general lab use, engineering students, ham radio enthusiasts, and electronics hobbyists.

Features

  • RF Frequency Range: 10 Hz to 4.4 GHz
  • Amplitude range: -30 dBm to -10 dBm
  • Step sizes from 10 Hz to 10 MHz
  • Sweep up to 700 frequency points per second with the USB-SA44(B)
  • No external power supply needed – draws power from USB
  • Software and Hardware included for one low price
  • Write your own software with our
    free Application Programming Interface (API)
  • Compatible with Windows operating systems
  • Measures 8 inches long
  • Weighs 10 ounces
  • Now includes 20 dB attenuator, p/n Mini-Circuits VAT-20+

Device dimensions

Version

Weight.6 lbs (.27 kg)
Dimensions7.65" x 3.18" x 1.18" (19.4 x 8 x 3 cm)

Product-in-packaging dimensions

No in-packaging dimensions available.

24 reviews for USB-TG44A Tracking Generator

  1. Rated 5 out of 5

    Bobbie C. (verified owner)

    The package was delivered on time.

  2. Rated 5 out of 5

    Davidson S. (verified owner)

    Works great, broad capabilities – solid piece of kit for any RF workbench

  3. Rated 5 out of 5

    Kevin N. (verified owner)

    I has a few quirks getting the software going (but Signal Hound tech support was totally awesome, thanks!), after that it seems to work as advertized.

  4. Rated 5 out of 5

    Davidson S. (verified owner)

    I love it. It would be even better if there were a fiber optic interface instead of a BNC interface (you’d sell many more units if you had this)

  5. Rated 4 out of 5

    Raymond S.

    I use the TG with the SA to make a Scalar Network Analyzer. This is a great tool in a portable package (using a laptop). As a bonus, I’ve used the TG in CW mode as a Signal Source too. Combined with the SA and Spike Software, this makes an amazing kit that’s great value for the price!

  6. Rated 5 out of 5

    Dean V.

    Great for aligning and tuning duplexers.

  7. Rated 5 out of 5

    John A.

    The spectrum analyzer functioned precisely as advertised. The accompanying application was easy to use and intuitive. I recommend this product and would make another purchase if the need arises.

  8. Rated 5 out of 5

    Jason G. (verified owner)

    An excellent piece of equipment for its price. It’s invaluable for tuning and verifying filters, cable testing, and component & system insertion losses.

  9. Rated 2 out of 5

    Mark K.

    We use this product regularly and the USB connection is very unstable which causes software to crash. We do not see this problem with other brands of products that use USB communications and are similar. We also had a failure with the internal power supply and no schematics are available but I was able to fix it. I think the issue with unstable software in tracking gen sweep mode needs to still be rectified. Support still continues to blame the PC but we have the same problem on a number of windows 7 pcs.

  10. Rated 4 out of 5

    Larry R.

    This instrument proved well suited for most of our applications at a cost less than a month’s rental of a traditional instrument. Most of the on screen controls were instinctive. Good value.

    Issues: Operating with the tracking generator at narrow bandwidths was finicky. The biggest issue was the lack of ability to reduce the sweep time to longer than the automatic setting. This function is critical when measuring systems with low duty factor switched paths.

  11. Rated 5 out of 5

    Nishiyama S.

    It was purchased for filter design with SA44B. You should have TG44A as my case.

  12. Rated 5 out of 5

    Mervyn T.

    I have owned and used this Spectrum Analyser for around 6 or 7 years now. It has been my only S/A and although only used in a hobby environment by a non-professional (me) I have found it to be extremely dependable and way more accurate than what I will ever need. I have had occasions when the software hangs but that was possibly computer rather than signal hound software problems. I have the companion Tracking Generator as well and both units get top marks from this Radio Amateur user. I plan to install the software (old and new-Spike) on my Windows 10 machine and once I am set up at my new downsized QTH it will be put into use again.

    A very reliable and well engineered product.

  13. Rated 5 out of 5

    Demostenes S.

    I have bought the combo: USB-SA44B + USB-TG44A + ZHDC-16-63+(directional coupler- 6GHz) i did a master degree in microwave circuits, and those equipments were a plus on my work . i built and test everything at home before go to university for the offical measurements, it saved me a lot of time. i built some microstrip filters, small signal amplifiers , and others… not surprising the results concordance with agilent +$15000,00 equipments was awsome.

    As a bonus i did a first glance “impedance matching test”, in some trasceivers PCBs i have built using the older software and the Smith Chart app.

    Adalberto Amorim Filho – Brazil.

  14. Rated 3 out of 5

    Gerard A.

    Original failure (out of the box) of the attenuators recurred about a year, or so, later. …currently using external attn’s on my coax input line. Otherwise, like the SA and TG combo.

  15. Rated 4 out of 5

    Kevin M.

    I purchased the early SA44/TG44A Spectrum Analyser/Generator in 2010. The early software was very clunky, but with the release of the Spike software, the usability has increased. Sure the operation is a little different to the conventional analysers I use in my day job, but it sure is a useful piece of kit, for doing tests. I have used it for looking at crystals and crystal filters, low level intermodulation, noise figure and phase noise tests, as well as general spectral analysis. This early version has a few spurious around the place, but the small footprint, and the smarts in Spike, make it a very useful addition to the lab.

  16. Rated 5 out of 5

    David D.

    I purchased the SA, and then the TG. Several years out of warranty, the TG failed, and I called them about an RMA. I said I’d have to think about it, the repair cost was close to the cost of a new one. One or two days later, they called me back and said, “You know, we had some problems with those early units, and we’re replacing yours.” So they have my heartfelt thanks. I have since bought a “bricked” SA at a ham radio flea market, which they repaired for, I think, $159, Doze guys are allright!

  17. Rated 5 out of 5

    Naveendray M.

    We stopped using it after a few attempts as the measurable span was too small as we needed more than 60mhz of span.

  18. Rated 5 out of 5

    Tisha H. (verified owner)

    This is a great device to pair up with the BB60C spectrum analyzer. It actually can make cavity filter adjustments a little fun.

  19. Rated 5 out of 5

    Randy K.

    Good basic unit. The frequency is very accurate, phase noise is acceptable depending on your application. The literature correctly describes the units capabilities. The software is very straightforward and drivers loaded Windows 7, no problem.

  20. Rated 5 out of 5

    Scott S.

    I really like the USB-TG44A Tracking Generator and USB-SA44B 4.4 GHz Spectrum analyzer combo. For context, I designed low frequency spectrum analyzers for a well known company many years ago. It is truly amazing how much power one can (literally) put in one’s pocket today. Sure, pay 10x (or 100x) more, and get faster updates, wider real time bandwidth, but these are serious instruments you can take with you to get your work done.

  21. Rated 5 out of 5

    Kamran A.

    So far I have a BB60A, one SA44B and TG44A. I have been happy with all three. A few times I contacted customer service and talked to someone both knowledgable and helpful. Once I asked for TG44A control under Spike and a couple of weeks later I found that on the newest release. Looking forward to work with their newest analyzer….

    Kamran Abadi

  22. Rated 5 out of 5

    Jay S.

    The only problem I ran into was the need for a Power Amplifier for the output and Signal Amplifier on the input of the Spectrum Analyser. I suppose these Amplifiers could come from third party but it would be convenient to have a source from Signal Hound made specifically to work with my purchases.

  23. Rated 5 out of 5

    Luciano M.

    Excellent equipment, I have a TG- 44A and a SA-44B. These are wonderful tool, very good indeed. I’m looking for a USB-VNA developed by Signal Hound or the smith chart plot in Spike software.

    Strong hug.

    Luciano Mairink

  24. Rated 5 out of 5

    Lloyd S

    I have owned the Signal Hound Spectrum Analyzer/Tracking generator for the past several years. With the SPIKE software, I would give it an excellent rating. I have also used the comparably price Rigol and much prefer the Signal Hound.

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Software and Drivers

Spike software

  • Spectrum analysis software for all Signal Hound spectrum analyzers.
  • Separate USB driver download for TG devices.
  • Unzip (extract all files and run Spike Installer.msi and CDM v2.12.00 WHQL Certified.exe).
  • Includes Standalone TG44A software, found in the Spike directory after installation.

Signal Hound Software Development Kit

  • C Programming interface for Windows/Linux
  • Direct device control 

User Manuals

Legacy Software

The TG44A can be used with the legacy SA44B and SA124B software, located on the SA44B downloads page

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