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The Tektronix CFG280 combines an 11 MHz Function Generator, which produces sine, square, and triangle waves, plus TTL signals, with a 100 MHz Frequency Counter. The onboard counter allows the operator to set the frequency output of the function generator precisely. This versatile instrument conserves both benchtop and budget by combining the two capabilities. Specifications. Waveform Outputs: Square wave, sine wave, triangle wave, TTL pulse, sweep functions for all outputs. Ranges: 0.1 Hz (calibrated) to 11 MHz in 8 ranges. Frequency Multiplier: Variable from 0.1 to 1 (uncalibrated), 1 to 11 (calibrated). Dial Accuracy: ±5% of full scale from 0.1 Hz to 10 MHz. Sine Wave Distortion: <1% (10 Hz to 100 kHz), -30 dB at all other frequencies. Square Wave Response: <= 25 ns rise/fall time, maximum output into 50 ohm load. Main Output Amplitude: 0-20 V p-p. Attenuator: 20 dB. Internal Variable Sweep Rate. 0.5 Hz to 50 Hz. Counter Specifications. Frequency Range (AC coupled): 1 Hz to 100 MHz. Sensitivity: 30 mV RMS from 1 Hz to 50 MHz; 50 mV RMS from 50 MHz to 100 MHz. Period Range/Resolution: 1 ms to 60 s / 1 ms. Frequency Accuracy: ±(time base error + 1 count). Period Accuracy: ±(time base error + 1 count trigger error). LED Display
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