2221

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The Tektronix 2221 is a portable, 60 MHz, 20 MS/s combination analog / digital storage scope, sister model of 2220 and 2230. The updated model 2221A increased bandwidth to 100 MHz and 100 MS/s.

Key Specifications

	— 2221 —
Analog bandwidth	60 MHz (50 MHz in 2 mV/Div range), 10 MHz limit switchable
Rise time (analog mode)	5.8 ns (7 ns in 2 mV/Div range)
Sampling rate	20 MS/s single channel, 10 MS/s in ALT or CHOP
	— 2221A —
Analog bandwidth	100 MHz (80 MHz in 2 mV/Div range), 20 MHz limit switchable
Rise time (analog mode)	3.5 ns (4.4 ns in 2 mV/Div range)
Sampling rate	100 MS/s single channel, 50 MS/s in ALT or CHOP
	— Common —
Memory depth	4 K samples single channel, 2 K per channel in ALT or CHOP
Resolution	8 bits
Deflection	2 mV/Div to 5 V/Div, 1-2-5
Glitch capture	> 100 ns
CRT	8 x 10 cm, P31 phosphor, 14 kV acceleration
Outputs	analog X/Y plotter output, 500 mV/Div, pen lift relay contact
Power	90-250 V, 85 W, fan-cooled
Weight	8.2 kg (18 lb.)
Features	Reference waveform memory Cursors and readout Signal averaging TV line and field trigger Variable holdoff GPIB or RS232 optional

Pictures

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