AM502: Difference between revisions

Latest revision as of 04:52, 6 October 2024

Tektronix AM502
differential amplifier Tektronix AM502 Produced from 1974 to (?) Manuals AM502 Instruction Manual 070-1582-00 AM502 Instruction Manual 070-1582-01 AM502 Main Circuit Board Replacement Mod (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Tektronix AM502 is a differential amplifier plug-in for the TM500 system.

The differential amplifier design is a variant of the 1A7A circuit, also used with modifications in the 3A9, 7A22, 5A22N, and 5030/5031 (26A2 too?).

Key Specifications

Bandwidth	1 MHz, LF limit switchable DC, 0.1 Hz to 10 kHz in ×10 steps, HF limit switchable 100 Hz to 1 MHz in ×3/×10 steps, AC coupled > 2 Hz
Gain	×1 to ×1000 (÷ 100 mode) / ×100 to ×100,000 in 1–2–5 sequence, variable to min. ×2.5 calibrated setting
Input impedance	1 MΩ // 47 pF (either input)
Input voltage	15 V DC+peak AC up to 5 MHz, 350 V DC+peak AC up to 5 MHz in ÷ 100 mode
Common mode	±5 V, ±50 V in ÷ 100 mode
DC offset	±1 V
Noise	typ. 6 nV/√Hz above 1 kHz (Norm mode)
Output voltage	±5 V into ≥250 Ω

Links

Documents Referencing AM502

Document	Class	Title	Authors	Year	Links
Tekscope 1972 V4 N5 Sep 1972.pdf	Article	A Practical Approach to Differential Amplifiers and Measurements	Fred Beckett	1972	112 • 11A33 • 1A5 • 1A6 • 1A7 • 1A7A • 26A2 • 3A9 • 5A22N • 7A13 • 7A22 • AM502 • D • E • G • P6055 • P6046 • W • Z
Tekscope 1972 V4 N6 Nov 1972.pdf	Article	Differential Amplifiers and Measurements, Part 2	Fred Beckett	1972	112 • 11A33 • 1A5 • 1A6 • 1A7 • 1A7A • 26A2 • 3A9 • 5A22N • 7A13 • 7A22 • AM502 • D • E • G • P6055 • P6046 • W • Z
070-2088-00.pdf	Book	TM500 Series Rear Interface Data Book		1975	AF501 • AM501 • AM502 • DC501 • DC502 • DC503 • DC504 • DC505 • DC505A • DM501 • DM502 • FG501 • FG502 • FG503 • MR501 • PG501 • PG502 • PG505 • PG506 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • RG501 • SC501 • SC502 • SG502 • SG503 • TG501
070-2088-01.pdf	Book	TM500 Series Rear Interface Data Book		1976	AF501 • AM501 • AM502 • AM511 • DC501 • DC502 • DC503 • DC504 • DC505 • DC505A • DD501 • DM501 • DM502 • FG501 • FG502 • FG503 • FG504 • LA501 • MR501 • PG501 • PG502 • PG505 • PG506 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • RG501 • SC501 • SC502 • SG502 • SG503 • SG504 • SW503 • TG501 • TR501 • TR502
070-2088-04.pdf	Book	TM500 Series Rear Interface Data Book		1985	AA501 • AF501 • AM501 • AM502 • AM503 • AM511 • DC501 • DC502 • DC503 • DC503A • DC504 • DC505 • DC505A • DC508 • DC508A • DC509 • DC510 • DC5009 • DC5010 • DD501 • DL502 • DM501 • DM501A • DM502 • DM502A • DM505 • DM5010 • FG501 • FG501A • FG502 • FG503 • FG504 • FG507 • FG5010 • LA501 • LA501W • WR501 • MR501 • PG501 • PG502 • PG505 • PG506 • PG507 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • PS5010 • RG501 • SC501 • SC502 • SC503 • SC504 • SG502 • SG503 • SG504 • SG505 • SW503 • TG501 • TR501 • TR502 • MI5010 • MX5010 • SI5010

Patents that may apply to AM502

Page	Title	Inventors	Filing date	Grant date	Links
Patent US 3562464A	Cam actuated switch having movable and fixed contacts on circuit board	Howard Vollum • Willem H Verhoef • Tony Sprando	1968-10-07	1971-02-09	Cam switches • 2101 • 2701 • 2703 • 432 • 434 • 465 • 475 • 5A15N • 5A18N • 5A20N • 5A21N • 5A38 • 5A45 • 5B10N • 5B12N • 7A15 • 7A16A • 7A18 • 7A19 • 7A24 • 7A26 • 7B10 • 7B15 • 7B50 • 7B51 • 7B52 • 7B53A • 7B50A • 7B70 • 7B71 • 7B80 • 7B85 • 7B87 • 7B92 • 7B92A • 7D01 • 7D12 • 7D15 • 7J20 • 7S12 • 7T11 • 7T11A • AF501 • AM502 • AM503 • DC502 • DC503 • DC504 • DC505 • DM501 • DM502 • FG501 • FG501A • FG502 • FG503 • FG504 • FG507 • PG501 • PG502 • PG505 • PG506 • PG506A • PG508 • TG501 • SC502 • SC503 • SC504

Pictures

Components

Some Parts Used in the AM502

Part	Part Number(s)	Class	Description	Used in
151-0261-00	151-0261-00	Discrete component	dual PNP transistor	AM501 • AM502 • CG5001 • CG551AP • FG501 • FG502 • FG503 • OF150 • OF151 • OF152 • OF235 • OS261 • RM502A • R1140 • R5030 • R5031 • R7912 • 067-0679-00 • 067-0807-00 • 1101 • 1140A • 1141 • 1142 • 1350 • 145 • 1450 • 1480 • 1481 • 1482 • 1485 • 1501 • 1801 • 1900 • 1910 • 1980 • 213 • 26A1 • 26A2 • 2620 • 285 • 3A9 • 3A10 • 3S1 • 3S2 • 3S5 • 3S6 • 432 • 434 • 4501 • 454 • 4601 • 4602 • 4610 • 4612 • 4620 • 4632 • 4634 • 4701 • 475 • 492 • 492A • 492AP • 494 • 494P • 496 • 496P • 5A13N • 5A20N • 5A21N • 5A22N • 5A26 • 5L4N • 502A • 5030 • 5031 • 576 • 690SR • 7A22 • 7A29 • 7B51 • 7B71 • 7J20 • 7L5 • 7S11 • 7S12 • 7912AD
151-1027-00	151-1027-00	Discrete component	dual N-channel JFET	5031 • 3A9 • AM502

@@ Line 1: / Line 1: @@
-* [http://w140.com/smb/AM502_SM.pdf Tektronix AM502 Manual (OCR, PDF)]
+{{TM500 | mfg=Tektronix | type=AM502 | function=differential amplifier | class=amplifier | image=Tek am502 1.jpg | introduced=1974 | discontinued=(?) | designers= | manuals=
+* [[Media:070-1582-00.pdf | AM502 Instruction Manual 070-1582-00]]
+* [[Media:070-1582-01.pdf | AM502 Instruction Manual 070-1582-01]]
+* [[Media:050-0844-03.pdf | AM502 Main Circuit Board Replacement Mod]]
+}}
+The differential amplifier design is a variant of the [[1A7A]] circuit, also used with modifications in the [[3A9]], [[7A22]], [[5A22N]], and [[5030]]/[[5031]] ([[26A2]] too?).
+{{BeginSpecs}}
+{{Spec | Bandwidth | 1 MHz, LF limit switchable DC, 0.1 Hz to 10 kHz in ×10 steps, HF limit switchable 100 Hz to 1 MHz in ×3/×10 steps, AC coupled > 2 Hz}}
+{{Spec | Gain | ×1 to ×1000 (÷ 100 mode) / ×100 to ×100,000 in 1–2–5 sequence, variable to min. ×2.5 calibrated setting }}
+{{Spec | Input impedance | 1 MΩ // 47 pF (either input) }}
+{{Spec | Input voltage | 15 V DC+peak AC up to 5 MHz, 350 V DC+peak AC up to 5 MHz in ÷ 100 mode }}
+{{Spec | Common mode | ±5 V, ±50 V in ÷ 100 mode }}
+{{Spec | DC offset  | ±1 V }}
+{{Spec | Noise | typ. 6 nV/√Hz above 1 kHz (Norm mode) }}
+{{Spec | Output voltage | ±5 V into ≥250 Ω }}
+{{EndSpecs}}
+==Links==
+* [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/AM502/AM502.html Tek AM502 @ amplifier.cd]
+* [https://www.youtube.com/watch?v=Sg4WPtP6HX4 Zenwizard Studios - Tektronix AM 502 Differential Amplifier Repair and Calibration]
+{{Documents|Link=AM502}}
+{{PatentLinks|AM502}}
+==Pictures==
 <gallery>
-File:Tek am502 1.jpg
+Tek am502 1.jpg
-File:Tek am502 2.jpg
+Tek am502 2.jpg
-File:Tek am502 3.jpg
+Tek am502 3.jpg
-File:Tek am502 4.jpg
+Tek am502 4.jpg
 </gallery>
+==Components==
+{{Parts|AM502}}
+[[Category:Differential amplifiers]]