2121

Model 2121 30 MHz Analog Oscilloscope With Frequency Counter Data Sheet ■ Dual or single trace operation 5 mV/div sensitivity ■ AUTO/NORM triggered sweep operation with AC, TVH,TVV and line coupling ■Calibrated 23 step time base with x 10 magnifier ■ Compact low-profile design ■ Built-in 50 MHz frequency counter Specifications model 2121 VERTICAL AMPLIFIERS (Ch 1 and CH 2) Sensitivity Attenuator 5 mV/div to 5 V/div, 1 mV/div to 1 V/div at X5 10 steps in 1-2-5 sequence. Vernier control provides full adjustment between steps. Accuracy ±3%, ±5% at X5 Input Resistance 1 MΩ ±2% Input Capacitance 25 pF ±10pF Frequency Response 5 mV to 5 V/div: DC to 30 MHz (-3dB). X5: DC to 10 MHz (-3dB) Rise Time 12 ns (Overshoot