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221: Difference between revisions
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{{Spec | Bandwidth | DC to 5 MHz }} | {{Spec | Bandwidth | DC to 5 MHz }} | ||
{{Spec | Input Impedance | 1 MΩ // 29 pF }} | {{Spec | Input Impedance | 1 MΩ // 29 pF }} | ||
{{Spec | Input Voltage | max. | {{Spec | Input Voltage | max. 600 V DC + Peak AC, or 600 V<sub>p-p</sub> AC }} | ||
{{Spec | Sweep Range | 200 ms to 1 μs, 17 steps }} | {{Spec | Sweep Range | 200 ms to 1 μs, 17 steps }} | ||
{{Spec | CRT | [[154-0705-00]], 6(V) × 10(H) }} | {{Spec | CRT | [[154-0705-00]], 6 Div (V) × 10 Div (H) }} | ||
{{Spec | Operating Time on Battery | 2-3 | {{Spec | Operating Time on Battery | 2-3 hours }} | ||
{{Spec | Internal Battery | 10 | {{Spec | Internal Battery | 10 rechargeable NiCd cells }} | ||
{{Spec | Line Voltage | 90- | {{Spec | Line Voltage | 90-250 V<sub>AC</sub> @ 48−62 Hz, or 80-250 V<sub>DC</sub>}} | ||
{{Spec | Power Consumption | | {{Spec | Power Consumption | 5 W @ 250 V}} | ||
{{Spec | Dimensions | (H/W/D) 3" × 5.25" × 9" (7.6 cm | {{Spec | Dimensions | (H/W/D) 3" × 5.25" × 9" (7.6 cm × 13.2 cm × 22.8 cm) }} | ||
{{Spec | Weight | 3.5 | {{Spec | Weight | 3.5 lb (1.5 kg) }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Internals== | ==Internals== | ||
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drives the top deflection plate and the other drives the bottom plate. | drives the top deflection plate and the other drives the bottom plate. | ||
The power supply in 221 uses the [[120-0876-00]] transformer. | The power supply in the 221 uses the [[120-0876-00]] transformer. | ||
MOD 290A is found on a version made for IBM, which adds a Single Sweep function, and a "Property of IBM" engraving. | MOD 290A is found on a version made for IBM, which adds a Single Sweep function, and a "Property of IBM" engraving. | ||