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7A14: Difference between revisions
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The [[P6019]] and [[P6020]] also work but with reduced bandwidth flatness, and the P6019 needs an adapter (s.b.) | The [[P6019]] and [[P6020]] also work but with reduced bandwidth flatness, and the P6019 needs an adapter (s.b.) | ||
The 7A14 is one of the original plug-in modules introduced at the start of the 7000 series in 1969. | The 7A14 is one of the original plug-in modules [[introduced in 1969|introduced at the start of the 7000 series in 1969]]. | ||
{{BeginSpecs}} | |||
{{Spec | Deflection | 1 mA/Div to 1 A/Div in 1–2–5 sequence }} | |||
{{Spec | Bandwidth | P6021: 25 Hz – 50 MHz (55 MHz in [[7904|79xx]])<br />P6022: 250 Hz – 105 MHz (120 MHz in [[7904|79xx]], 80 MHz in [[7603|76xx]])}} | |||
{{EndSpecs}} | |||
==Operation== | |||
In the 7A14, the ring around the input [[BNC connector]] that is used to identify ×10/×100 probes on voltage probes serves the purpose of detecting the difference between the P6021 and P6022 probes, and switching in appropriate gain and frequency compensation. | In the 7A14, the ring around the input [[BNC connector]] that is used to identify ×10/×100 probes on voltage probes serves the purpose of detecting the difference between the P6021 and P6022 probes, and switching in appropriate gain and frequency compensation. | ||
The P6021 shorts this ring to ground, directly switching three relays connected to −15 V internally. When connecting a [[P6019]] probe, the ring must also be grounded but the probe connector does not have the matching pin. The [[131-0750-00]] adapter solves this problem. | The P6021 shorts this ring to ground, directly switching three relays connected to −15 V internally. When connecting a [[P6019]] probe, the ring must also be grounded but the probe connector does not have the matching pin. The [[131-0750-00]] adapter solves this problem. | ||
The front panel gain control screwdriver adjustment affects gain for either P6021 or P6022, i.e. swapping probes requires re-adjustment. | The front panel gain control screwdriver adjustment affects gain for either P6021 or P6022, i.e. swapping probes requires re-adjustment. | ||
==Links== | ==Links== | ||