2221: Difference between revisions
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{{Oscilloscope Sidebar |manufacturer=Tektronix | | {{Oscilloscope Sidebar | ||
model= 2221 | | |manufacturer=Tektronix | ||
summary=60 (100) MHz portable DSO | | |series=2200-series scopes | ||
image=Tek 2221 front.JPG | | |model=2221 | ||
caption=Tektronix 2221 | | |summary=60 (100) MHz portable DSO | ||
introduced=1988 | | |image=Tek 2221 front.JPG | ||
discontinued=(?) | | |caption=Tektronix 2221 | ||
manuals= | |introduced=1988 | ||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:2230_2221_2220.pdf|Tektronix 2230/2221/2220 Description (PDF, OCR, bad-OCR)]] / [http://w140.com/tek_2230_2221_2220_desc.pdf Tektronix Alt. (PDF)] | * [[Media:2230_2221_2220.pdf|Tektronix 2230/2221/2220 Description (PDF, OCR, bad-OCR)]] / [http://w140.com/tek_2230_2221_2220_desc.pdf Tektronix Alt. (PDF)] | ||
* [[Media:070-8156-02.pdf|Tektronix 2221A User Manual (PDF, OCR, bad-OCR)]] / [http://w140.com/tek_2221a_user_manual.pdf Alt.(PDF)] | * [[Media:070-8156-02.pdf|Tektronix 2221A User Manual (PDF, OCR, bad-OCR)]] / [http://w140.com/tek_2221a_user_manual.pdf Alt.(PDF)] |
Revision as of 01:40, 11 August 2021
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.
Recommended cart is the K212.
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 |
|
Links
Internals
Custom Tek chips used include 155-0274-00 (A1U130, A1U180), 155-0273-00 (A2U30, A2U80), and 155-0022-00 (A10U2101). There is also a semi-custom part (A10U9208 Display Controller, 156-2452-00).