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Reviews Categories | Tools & Test Equipment for the amateur radio work bench | Rigol DSA815 Spectrum Analyser Help

Reviews Summary for Rigol DSA815 Spectrum Analyser
Rigol DSA815 Spectrum Analyser Reviews: 4 Average rating: 5.0/5 MSRP: $1295
Description: 9 KHz to 1.5 GHz Spectrum Analyser, additional (at extra cost) options include: carry case, tracking generator, VSWR measuring and advance measuring kit.
Product is in production.
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KU3X Rating: 5/5 Jan 21, 2017 07:24 Send this review to a friend
You get a lot for your money  Time owned: 0 to 3 months
Iíve only owned the Rigol DSA815-TG for a little over three weeks and I think itís really great.
You canít go wrong with the price and quality of this unit. The adds says RBW goes down to 100 hz. There must have been a firmware update since mine goes down to 10 hz RBW.
After watching numerous YouTube videos about the DSA815, I was ready to use mine as soon as it arrived. Learning from the videos, I would never get this unit without the tracking generator. I am so glad I watched the videos first so I knew what I was getting into.
Iíve tested my home brew amps, LPFís, coax cables, antenna switches and so many other items laying around the shack.
I am very pleased with the unit and would buy it again in a heartbeat if I had it to do over.
The one downside is the manual. I do not think itís user friendly at all.
Barry, KU3X
N4UE Rating: 5/5 Nov 26, 2016 08:06 Send this review to a friend
VERY useful  Time owned: 3 to 6 months
As a previous reviewer stated, not absolutely necessary, but it's a very, very useful tool.
I just completed building 2 legal limit amps and the 815 (with the Tracking Generator (TG)) really helped me design the input matching circuits.
I feel the TG is a must. It adds little cost to the SA. One can purchase the Rigol SWR accessory, but the TG option and an external, inexpensive Return Loss Bridge can do all that's necessary.
Although I have the Comet MKII analyzer, the Rigol is just superior.
Life's short, enjoy yourself.

K1PMA Rating: 5/5 Jan 30, 2015 18:24 Send this review to a friend
Not a must-have, but great fun!  Time owned: 0 to 3 months
First let me state I had zero experience with a spectrum analyzer (SA). I got the TG model as I often heard that the tracking generator option is well worth the extra cost, and I must agree. It adds tons of extra applications. First off let me say that you must be extremely careful in what/how you connect something...anything to this device. It can be damaged very is NOT like a scope! 100mW (+20dbm) is the max you can feed into the input. So you MUST get a set of attenuators (called pads) to go with this. They must be of the DC-1500mhz (or higher) variety. 1-2W will be ok for most passive measurements, but if you want to hook up any transceiver you better do your math well. You will also need an assortment of N adapters, patch cables, T connectors, etc.

So much for the basic important info. Now for the fun part. The first thing I did was use this as the world's most expensive FM Just attach any short antenna to the input jack, turn on the DEMOD (FM) function, plug in earbuds/headset and set the frequency range to about 90-120 mhz.

Next I measured the loss of all of my patch cables and connectors. Found one BNC T-connector that was flakey within minutes.

The coming week will start off with antenna testing, the main reason I got the SA for. For this you will need something called a directional coupler (I can recommend the Mini Circuits 15542 ZFDC-20-5 BNC Directional Coupler) with 20dbm attenuation. Took me a bit to figure out how to connect this to the SA. I will save you a ton of frustration: the OUT connector on the coupler goes to the TG output. The CPL connector on the coupler goes to the input of the SA and the IN on the coupler hooks up to the antenna. Some guys put a 6 or 10dbm pad on the input of the SA for extra protection, but probably not needed unless you have a strong signal source nearby. Watching how an antenna responds to mods in real time is a total eye opener! Every little extra piece of wire/connector/etc can make a difference as does holding it one way or another. Makes my MFJ269 analyzer look like a crude tool in comparison.

So if you can afford around $1,600 for the 815TG plus extras you will ask yourself how you did without it for so long.
G4AON Rating: 5/5 Jan 22, 2014 11:22 Send this review to a friend
Great value  Time owned: 0 to 3 months
At a similar price to a 10 year old, or more, analyser by the US and EU manufacturers, you can have a brand new DSA815 analyser with a 3 year warranty. It is outstanding value for money.

I have the DSA815-TG version which includes a tracking generator. The TG version is far more useful to most amateur constructors as it enables relatively easy filter measurement, both loss/frequency plots and also matching... The latter requires an easy and cheap to build return loss bridge, look up VK3DIP who has designs for these on the web.

The analyser is relatively easy to use, starts quickly and returns to the previous settings on power up. In addition programming the front panel green "Preset" button is easy and will return your analyser to a favourite setting in moments.

During the first half hour of use the analyser self calibrates every 10 minutes or so, this will reset any "normalise" settings (used with the tracking generator), in addition it will clear the screen of any trace you are trying to store to a USB memory stick. However, this is only a minor irritation.

There is some cooling fan noise, but not loud enough to be an issue.

Overall, the analyser is delightful to use and hasn't had any software glitches, or other issues, during several hours of use.

Some of the options are very expensive, for example the VSWR kit at $459 does nothing you can't do for $20 with a home made bridge. The VSWR measuring software is enabled for a trial period and doesn't even plot SWR on a graph, you can easily convert return loss plots to SWR yourself for nothing.

In my opinion, the supplied software on CD doesn't add any value, not even the trial version of Ultraspectrum (the full version costs $260).

You can easily find a carry case in the $15 - $20 range, I use a cool bag from a fishing tackle shop. No need to buy the Rigol one for $125.

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