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Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope


Tektronix TDS520B 500 MHz 4CH 1GS/s Oscilloscope w/InstaVu
This scope is InstaVu equipped. That is, when in that mode the display/display record updates at an extremely fast rate, but mostly dead time between acquisition and transfer to memory is eliminated. The probability of observing a fast transients goes from minutes/hours for a non-InstaVu scope to seconds/minutes with InstaVu.
Outside of InstaVu, this scope is about equivalent, sampling power wise to a 54XA, in one or two channel mode. If you need color, stick with a TDS544A or better, if you need to display 4 live channels a 54Xx.
A bit about the channels on this scope. This scope has ch1, ch2, aux1, and aux2. You can only display any two channels at a time. Each channel appears to be a full implementations (earlier 520 had fewer channel setting for aux1/2, as I recall). A third channel can be used for triggering. This scope has two 500 MS/s sampler. 5XXA or earlier scopes had either 2 or 4 250 MSs samplers, depending on the scope being a 52Xx or 54Xx.
This scope has Options 1M (Long Memory), 1F (floppy drive), and 2F (Advanced Math, FFT spectrum analyzer). Really, this scope is more capable than ANY TDS500A or earlier.
I also have listed a 520C, less optioned. The only apparent difference is that when you switch between standard view to InstaVu, the 520B takes a bit more time set-up wise. The TDS724A is effectively the same scope as this 520B, only in color and with a printer port. The 520C does have a faster waveform capture rate though.
Passes all power on, self tests, and self calibration routines. Minor blemishes indicative of normal lab use but not abuse. This is a nice B/W oscilloscope with 500 MHz bandwidth and 1 GS/s real time sampling on one channel, 500MS/s on two channels; equivalent time sampling rate to 100GSs on both channels. There is some marking on the top case that I was not able to remove.
Note the bezel label shows wear, see photos.
I was able to save and recall a waveform with the floppy drive.
I copied the specs of the web somewhere. Please do your own research and verify those specs that are critical to your application.
The pictures depict the scopes condition and the scopes pass status in the various menus. Blurriness is a photo effect and can be ignored; this display is very bright and clear. Also with the flash on the scope tends to look too tooth paste white, or too yellow with the flash off. The flash will also overwhelm the display and make it look near dead. Again photo effects.
A bit of TDS trivia. The early 500 series scopes were for general purpose lab or bench use, these later branched out to become 500 AND 700 series lab scopes (generally more options installed on a 700 than a standard 500). The 500/700 scopes could do advanced waveform processing such as equivalent time sampling/repetitive, InstaVu/DPO and the like. The 600 series were fast samplers (but small record size), high raw sampling rates on all channels for single shot acquisition, no sharing of samplers (interleave); you can choose to do averaging, but otherwise all acquisition is real time, all channels, and all time base settings.
Basic Specification (Copied off the Web):
Digitizing Oscilloscopes with InstaVu Acquisition
* InstaVu Acquisition (100,000 wfms/sec capture rate)
* Two and Four Input Channels
* Pulse Width, 1-ns Glitch, Runt, Pattern, and State Triggering
* 1 mV/div - 10 V/div Sensitivity
* Infinite- and Variable-Persistence Displays
* Record Lengths to 250,000 Points (one ch.) 130,000 points (dual ch.)
* 8-Bit Vertical Resolution and up to 12 Bits with Hi-Res Acquisition Mode
* 3.5-inch DOS Floppy Disk Drive
* Slew Rate, Setup, and Hold Violation Triggers, and Time-Out Triggering
* Direct Readout in "Amperes" and "Watts" (with P5200 and TCP202 Probes)



Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope Tektronix TDS520B 500 mhz 4CH 1GS/s oscilloscope