Electronics > Beginners
My purchase list for my new lab -- budget $1000+, thoughts?
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rstofer:

--- Quote from: AnyNameWillDo on July 23, 2018, 10:55:41 pm ---
Edit: Oh, the Analog Discovery 2 is such an analyzer... now time to compare that to others... found this one: Logic 8 (Red) - Saleae 8-Channel Logic Analyzer: https://www.amazon.com/dp/B074Q2H3BF/


--- End quote ---

You need to fully appreciate the entire scope of the Analog Discovery 2.  Sure, it has 16 channels that can be either input or output.  And, yes, you can code up patterns to be transferred out.  Decoding is a given.  And all of that is a very small percentage of the capability of the AD2.  ETA:  It works as a logic analyzer as well.

It has dual power supplies.  Yes they are current limited but the  limit goes up if you feed the gadget with a wall wart instead of relying on USB power.  They are entirely adequate for breadboarding small projects like amplifiers and such.  If you need more power, use an external source.

It has a dual channel scope with 14 bit resolution compare to just 8 bits for the Rigol (and most others).  Fine, that's no big deal, it's just a scope.  Right up until you use it as a network analyzer (Bode' Plot) or Spectrum Analyzer or dual channel DMM or Impedance Analyzer.

Then there is the dual channel Arbitrary Waveform Generator.  Sure, there are frequency limits and it won't replace a $500 dedicated AWG but the features are standard equipment for the AD2.

Here's the list of capabilities:

--- Quote ---Two-channel USB digital oscilloscope (1MΩ, ±25V, differential, 14-bit, 100MS/s, 30MHz+ bandwidth - with the Analog Discovery BNC Adapter Board)
Two-channel arbitrary function generator (±5V, 14-bit, 100MS/s, 12MHz+ bandwidth - with the Analog Discovery BNC Adapter Board)
Stereo audio amplifier to drive external headphones or speakers with replicated AWG signals
16-channel digital logic analyzer (3.3V CMOS and 1.8V or 5V tolerant, 100MS/s)
16-channel pattern generator (3.3V CMOS, 100MS/s)
16-channel virtual digital I/O including buttons, switches, and LEDs – perfect for logic training applications
Two input/output digital trigger signals for linking multiple instruments (3.3V CMOS)
Single channel voltmeter (AC, DC, ±25V)
Network Analyzer – Bode, Nyquist, Nichols transfer diagrams of a circuit. Range: 1Hz to 10MHz
Spectrum Analyzer – power spectrum and spectral measurements (noise floor, SFDR, SNR, THD, etc.)
Digital Bus Analyzers (SPI, I²C, UART, Parallel)
Data Logger - Exportable data and plot functionality
Impedance Analyzer - Capacitive and Inductive Elements
Protocol Analyzer - SPI, I2C, and UART
Two programmable power supplies (0…+5V , 0…-5V). The maximum available output current and power depend on the Analog Discovery 2 powering choice:
500mW total when powered through USB. (Each supply can provide between 0mW and 500mW so long as the total does not exceed 500mW.)
2.1W max for each supply when powered by an auxiliary supply.
700mA maximum current for each supply.

--- End quote ---
nanofrog:

--- Quote from: AnyNameWillDo on July 23, 2018, 10:55:41 pm ---[Screwdrivers] are what I'm looking into now... [snip].

Edit: Nvm still need to get a bunch of leads too, oy!

--- End quote ---
Wiha makes decent screwdrivers and offer more patterns than any other precision electronic screwdriver manufacturer ATM. But there are other brands, and personal preference plays a big role (Were's grips for example).

For a starting point, you could get a Wiha 26190 (3 Philips & 4 Slotted screwdrivers + free 6.3" needle nose pliers). Then add profiles as necessary. Another way to go about it would be using their System 4 blade systems (can get into deeper recesses than 1" bits) or the Drive-Loc variants.

As per test leads, I'd suggest looking at Probemaster. Top quality stuff, but less expensive than Fluke or Pomona.
AnyNameWillDo:

--- Quote from: rstofer on July 23, 2018, 11:52:11 pm ---You need to fully appreciate the entire scope of the Analog Discovery 2.  Sure, it has 16 channels that can be either input or output.  And, yes, you can code up patterns to be transferred out.  Decoding is a given.  And all of that is a very small percentage of the capability of the AD2.  ETA:  It works as a logic analyzer as well.

It has dual power supplies.  Yes they are current limited but the  limit goes up if you feed the gadget with a wall wart instead of relying on USB power.  They are entirely adequate for breadboarding small projects like amplifiers and such.  If you need more power, use an external source.

It has a dual channel scope with 14 bit resolution compare to just 8 bits for the Rigol (and most others).  Fine, that's no big deal, it's just a scope.  Right up until you use it as a network analyzer (Bode' Plot) or Spectrum Analyzer or dual channel DMM or Impedance Analyzer.

Then there is the dual channel Arbitrary Waveform Generator.  Sure, there are frequency limits and it won't replace a $500 dedicated AWG but the features are standard equipment for the AD2.

--- End quote ---

Also came across these from the same manufacturer:

http://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm1000.html

http://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm2000.html
rstofer:

--- Quote from: AnyNameWillDo on July 24, 2018, 12:19:47 am ---
Also came across these from the same manufacturer:

http://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm1000.html

http://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm2000.html

--- End quote ---

Not exactly the same manufacturer.  Analog Devices builds the ADALM devices and Digilent builds the AD2 but the project is sponsored by Analog Devices.  There's a close relationship...  All Digilent products seem to be sponsored, Xilinx, Micron, Analog Devices, etc.  In fact, their logos are on the silkscreen of the related boards.

I can't find out very much about the User Interface for the Analog Devices gadget.  Clearly it is less money but I can't convince myself that they provide much beyond an interface to Matlab and some kind of library.  I stand to be corrected on this.

Digilent provides the Waveform software and an interface library.  The software can be downloaded and the various gadgets used in Demo mode.  Not entirely satisfactory, there is no live data, but it does provide a demonstration of all of the capabilities.

There are various options and downloading is free:
https://store.digilentinc.com/all-products/software/

All of these are targeted at students and highly subsidized when you can use the student discount (unfortunately, they don't have a retired geezer discount).  I have probably been using their FPGA boards for 12 years or so.  I like them a lot!

The AD2 is literally a lab that fits in a pocket.  Toss it in a backpack along with a laptop and you have all the diagnostic tools you are likely to need.  Certainly enough for experimenting in  a dorm room which is their target.
AnyNameWillDo:
I may be misreading things but it still seems like the AD2 has more to offer compared to the ADALM1000, ADALM2000, and the Saleae (despite the former two being newer, as far as I can tell) -- and apparently while the Saleae is quite good at analyzing logic it doesn't have all the tools the AD2 offers.
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