CT-3
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The Tektronix CT-3 (017-061, 017-0061-00) is a magnetically coupled signal pickoff for sampling systems.
Key Specifications
| Rise time | ~0.4 ns |
|---|---|
| Bandwidth | 50 kHz – 875 MHz (–3 dB) at no DC current |
| Attenuation | ×10 |
| Insertion Impedance | 1 Ω shunted by 4.5 μH when terminated into 50 Ω |
| VSWR | 1.2 @ 1.5 GHz |
| Voltage rating | 25 VRMS, 1 kV pulse peak |
It uses GR-874 connectors for the signal, and a BNC connector for the trigger signal at 10% of the signal amplitude.
Links
Patents that may apply to CT-3
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3071737A | Signal energy take off device | Tat Cheong Lam | 1961-06-26 | 1963-01-01 | CT-3 |
Prices
| Year | Catalog price | In 2026 dollars |
|---|---|---|
| 1964 | $30 | ~$320 |
| 1973 | $38 | ~$290 |
| 1984 | $143 | ~$460 |
