2247A

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The Tektronix 2247A is a 100 MHz four-channel analog oscilloscope, with a built-in 200 MHz counter/timer. (It is unknown if a 2247 non-A model was ever built.)

The 2247A is part of a nearly identical family consisting of the 2245, 2246, 2247A, and 2252.

Channels 1-2 are fully-functioned, and 3-4 are very limited, in both deflection factor and coupling for digital signals.

Key Specifications

Bandwidth	100 MHz
Deflection	CH 1&2: 2mV/div to 5V/div; CH 3&4: 0.1V/div and 0.5V/div all at +/- 2%
Vertical Operating Modes	CH1,2,3,4, CH2 Invert, Add, Alt, Chop (625 kHz)
Input Impedance	1M, 20pF
Sweep Speeds	A Time Base: 0.5s/div to 20ns/div; B Time Base: 5ms/div to 20ns/div (X10 Mag to 2ns/div)
Trigger	DC, Noise Reject, HF Reject, LF Reject, AC, TV Line, TV Field
Trigger Modes	A Mode: Auto Level, Auto, Norm, TV Line, TV Field, Single Seq. B Mode: Runs After Delay, Auto Level, Norm, TV Line (From A Source)
Trigger Source A & B	Vert, CH1, 2, 3, 4, Line
Power	100W Max, 90vac - 250vac, 48Hz - 445Hz

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