541
The Tektronix Type 541 is a 30 MHz* oscilloscope that accepts letter-series and 1-series plug-ins. It has a distributed amplifier and is exactly like the Type 545 except it does not have the Delayed Sweep (dual timebase) feature.
It was introduced in 1955 simultaneously with the 545, and was superseded in 1959 by the 541A, which has more convenient controls.
The 541's CRT is part number 154-098, also known as the T54. The standard phosphor is P2. The 541A uses the T65 CRT.
There is also a 541-S7 version, which has single-sweep mode.
Specifications
* 33 MHz with a 50 MHz plug-in such as the Type 1A1.
Pictures
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541A
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Early 541 with square corners
