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