7A18: Difference between revisions

Revision as of 02:26, 8 May 2014

{{{manufacturer}}} Vertical Amplifier
75 MHz dual channel amplifier 7A18 front view Compatible with [[7000-series scopes]] Produced from {{{introduced}}} to {{{discontinued}}} Manuals Tektronix 7A18 Manual (PDF) Tektronix 7A18A Manual (PDF) Tektronix 7A18+7A18N Manual (OCR, PDF) Tektronix 7A18A Manual (OCR, PDF) (All manuals in PDF format unless noted otherwise) [[Category:Introduced in {{{introduced}}}]]

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.

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

7A18A left side. The step attenuators can be seen on the left, the amplifier board on the right.
7A18A right side. The circuit boards on top carry the readout circuitry.
7A18 attenuator opened. One of the attenuation R/C modules has been unplugged to reveal the switch contacts.

@@ Line 19: / Line 19: @@
 ==Specifications==
-Input impedance: 1 M&Omega; in parallel with 20 pF.
+* Input impedance: 1 M&Omega; in parallel with 20 pF
-Deflection factors: 5 mV/div to 5 V/div
+* 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 &times;10 / identify information
+* No bandwidth limiter switch
+* Weight: 1.4 kg
 ==Pictures==
 <gallery>
-Image:7a18a-left.jpg | 7A18A left side
+Image:7a18a-left.jpg | 7A18A left side.  The step attenuators can be seen on the left, the amplifier board on the right.
-Image:7a18a-right.jpg | 7A18A right side
+Image:7a18a-right.jpg | 7A18A right side.  The circuit boards on top carry the readout circuitry.
+Image:7a18-attenuator.jpg | 7A18 attenuator opened.  One of the attenuation R/C modules has been unplugged to reveal the switch contacts.
 </gallery>
 [[Category:7000 series vertical plugins]]
-[[Category:Specifications needed]]