2221

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60 (100) MHz portable DSO
Tektronix 2221

Produced from 1988 to (?)

Manuals
Manuals – Specifications – Links – Pictures

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

Links

Pictures