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P6205: Difference between revisions
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==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
P6205_exploded.jpg | P6205_exploded.jpg | Exploded view of the probe assembly. The PCB is soldered to the shielding tube and the coax, and the tube is then crimped over the coax. | ||
P6205_%27scope_side.jpg | P6205_%27scope_side.jpg | The probe uses "lossless" 50Ohm coax, as there's amplification at the business end. The circuitry connects to the TekProbe interface to declare the probe's identity to the scope. | ||
P6205-int-1.jpg | P6205-int-1.jpg | The tip network comprises three laser-trimmed resistors and a laser-trimmed capacitor. The tip resistance measures 800kOhm, the middle resistor was on the order of 25Ohm, and the resistance to ground is 200kOhm. This makes a 1/5 divider from tip to the amplifier. | ||
P6205-int-2.jpg | P6205-int-2.jpg | ||
P6205-int-3.jpg | P6205-int-3.jpg | ||
P6205-int-4.jpg | P6205-int-4.jpg | It looks like the amplifier has two identical sections, presumably the same chip is used for differential active probes. | ||
</gallery. | </gallery. | ||
[[Category:Active Oscilloscope Probes]] | [[Category:Active Oscilloscope Probes]] | ||
[[Category:Tekprobe BNC]] | [[Category:Tekprobe BNC]] | ||