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The Tektronix 513 is a single-channel monolithic oscilloscope with 18MHz bandwidth. | The Tektronix 513 is a single-channel monolithic oscilloscope with 18MHz bandwidth. | ||
It was introduced in 1949 or 1950. | |||
It is the first Tektronix oscilloscope to contain a [[distributed amplifier]]. | It is the first Tektronix oscilloscope to contain a [[distributed amplifier]]. | ||
Next was the [[517]] in 1951 and then the [[541]] and [[545]] in 1955. | Next was the [[517]] in 1951 and then the [[541]] and [[545]] in 1955. |