P6230: Difference between revisions
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[[File:P6230-1.jpg|thumb|right|300px|P6230 termination box]] | |||
[[File:P6230-6.jpg|thumb|right|300px|P6230 probe tip]] | |||
The '''Tektronix P6230''' is a passive ×10 (450:50 Ω) probe with 1.5 GHz bandwidth and DC offset capability, intended to minimize probe-loading effect when used on logic circuits. | The '''Tektronix P6230''' is a passive ×10 (450:50 Ω) probe with 1.5 GHz bandwidth and DC offset capability, intended to minimize probe-loading effect when used on logic circuits. | ||
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The P6230 is sometimes described as a FET probe or an active probe, however, as the circuit diagram clearly shows, this is not the case. | The P6230 is sometimes described as a FET probe or an active probe, however, as the circuit diagram clearly shows, this is not the case. | ||
The input signal runs through a 400 Ω resistor and a 1 μF capacitor, terminated in 50 Ω internally (switchable) or externally. | The input signal runs through a 400 Ω resistor and a 1 μF capacitor, terminated in 50 Ω internally (switchable) or externally. | ||
The active circuit in the P6230, a standard NE5532 dual opamp, has the function of restoring and offsetting the input signal's DC | The active circuit in the P6230, a standard NE5532 dual opamp, has the function of restoring and offsetting the input signal's | ||
low-frequency and DC components, similar to the feed-beside technique used in the [[7104]] scope and [[7A29]] amplifier. | |||
As a modular subminature probe it shares accessories with many other Tektronix | As a modular subminature probe, it shares accessories with many other Tektronix | ||
subminature probes although the input hybrid is unique. Tip color is yellow, | subminature probes although the input hybrid is unique. Tip color is yellow, | ||
connector end color is blue, part number [[206-0279-00]]. | connector end color is blue, part number [[206-0279-00]]. Its end to end | ||
resistance is 400 | resistance is 400 Ω. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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<gallery> | <gallery> | ||
File:P6230-1.jpg | |||
File:P6230-6.jpg | |||
File:P6230-2.jpg | |||
File:P6230-3.jpg | |||
File:P6230-4.jpg | |||
File:P6230-5.jpg | |||
File:P6230-circuit.jpg | P6230 circuit diagram | File:P6230-circuit.jpg | P6230 circuit diagram | ||
File:P6230-impedance.jpg | P6230 input impedance graph | File:P6230-impedance.jpg | P6230 input impedance graph | ||