7B51
The Tektronix 7B51 is a 100 MHz delaying timebase for 7000-series scopes. The matching non-delaying timebase is the 7B50.
The task of designing the 7B51 was inherited and completed by Murlan Kaufman.
Key Specifications
| Sweep | 5 s/Div to 50 ns/Div in 1−2−5 sequence, ×10 magnifier down to 5 ns/Div, variable down to 12.5 s/Div |
|---|---|
| Excluded portions of sweep | None in 7700-series, first 50 ns with magnifier |
| Trigger sensitivity | 0.3 Div (int) or 150 mV (ext) up to 10 MHz, 1.5 Div or 750 mV from 10 MHz to 100 MHz |
| Trigger coupling | DC, AC (>16 Hz), AC HF REJ (16 Hz to 100 kHz), AC LF REJ (>75 kHz) |
| Trigger input | 1 MΩ // 20 pF max. 500 V DC+peak AC |
| Jitter | less than 1 ns at 75 MHz |
| Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep |
| Variable time delay accuracy | 1% (0.5 ms/Div to 1 μs/Div) |
| Variable time delay multiplier Linearity | within 0.2% |
