Digitale USB PC Oszilloskope - DScope

[tthorsten]

wollte da ne Info geben

http://www.pdamusician.com/dpscope/overview_se.html

sieht gut aus ist ein Bausatz und kostet nur 35euro.

specs

Many people who do electronics as a hobby or in education (where funds are notoriously tight) don't need
Certain features I consider key parameters for such an instrument, which gave a baseline for this effort:

Two input channels; many of the low-end scopes on the market have only a single channel which
makes them little more than a toy - too often you need to display one signal with respect to an other
(e.g. clock vs. data) and or trigger on a signal different to the one you want to look at.

Triggering on either channel, rising or falling edge (selectable), or free running.

Pre-trigger capability to see what happened before and at the trigger event.

Datalogger mode (roll mode) to visualize and record slower changing signals.

Covers the typical applications in a hobby environment - things like audio (0 - 20 kHz), ultrasound
(< 200 kHz) and infrared (38 kHz), servo motor control (a few kHz), common data transmission
protocols (RS-232, CAN, I2C, SPI, one-wire), requiring an analog bandwidth of at least 1 MHz. This
clearly precludes any sound-card based solution.

Spectrum Analyzer functionality (real-time Fast Fourier Transformation) so one can look at things
like distortion in an audio amplifier.

Sample rate up to 20 million samples/sec - the sample rate must be about 10x the analog
bandwidth to allow meaningful display without very advanced filtering.

Fast and smooth acquisition - shows the signals "as they happen", with a screen update rate up to
40 frames/sec.

Wide input range (from Millivolts to several 10 Volts).

Low-cost and easy to assemble, so any moderately skilled hobbyist can build his/her own.

Small and easy to use so even a user without much experience with oscilloscope gets a quick
start, and compact so it doesn't use much desk space.

Uses USB to connect to a computer as well as for power supply.

Edit Floh: Themeneigenschaft "Erfahrungsbericht" entfernt, da kein Erfahrungsbericht vorliegt.

[Fio]

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[tthorsten]

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[Fio]

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[tthorsten]

du bist einfach ein nörgler - früher hat doch so nen olles 2kanalige Hameg der kleinsten serie auch aus gereicht.

[Gast]

So oll ist ein "olles 2 Kanal Hameg" aus den 80ern auch heute noch nicht.
Selbst die kleinsten messen bereits bis 20MHz (nicht kHz...) ohne Probleme.
Hinzu kommt die praktische Unzerstörbarkeit.
Noch dazu der überaus günstige Gebrauchtpreis von unter 200€ für Top Geräte.
Würde ich jedem digitalen Oszi unter 1k€ jederzeit vorziehen.

[tthorsten]

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[Musik_Mattes]

Hmm, dafür ist mir mein Handy zu teuer, als dass ich da mit nem Tastkopf an 2kV gehe

[Fio]

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[tthorsten]

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[tthorsten]

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[tthorsten]

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[tthorsten]

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