7A18: Difference between revisions
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{{Plugin Sidebar| | {{Plugin Sidebar 2| | ||
title=Tektronix 7A18| | title=Tektronix 7A18| | ||
summary=75 MHz dual channel amplifier| | summary=75 MHz dual channel amplifier| | ||
image=Tek 7a18 front.jpg | | image=Tek 7a18 front.jpg | | ||
caption=7A18 front view| | caption=7A18 front view| | ||
introduced=(?) | | |||
discontinued=(?) | | |||
series=[[7000-series scopes]]| | series=[[7000-series scopes]]| | ||
manuals= | manuals= |
Revision as of 02:26, 20 August 2014
The Tektronix 7A18 is a general-purpose 75 MHz dual-trace vertical plug-in for 7000-series scopes.
Model 7A18N is identical except it omits the readout circuits.
Specifications
- Input impedance: 1 MΩ in parallel with 20 pF
- Deflection factors: 5 mV/div to 5 V/div in 1–2–5 sequence, 2%
- Bandwidth: 0 – 75 MHz (DC), 10 Hz – 75 MHz (AC)
- Noise: < 300 μV in 5mV/Div
- Mode: CH1 only, CH2 only, Add CH1+CH2, Alternating, Chopped. CH2 can be inverted.
- Input sockets with contact ring for probe ×10 / identify information
- No bandwidth limiter switch
- Weight: 1.4 kg
Pictures
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7A18A Front
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7A18A left side. The step attenuators can be seen on the left, the amplifier board on the right.
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7A18A right side. The circuit boards on top carry the readout circuitry.
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7A18 attenuator opened. One of the attenuation R/C modules has been unplugged to reveal the switch contacts.