AM502: Difference between revisions

Revision as of 08:36, 21 November 2023

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

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: @@
-{{TM500 | mfg=Tektronix | type=AM502 | function=Differential Amplifier | class=amplifier | image=Tek am502 1.jpg | introduced=1974 | discontinued=(?) | manuals=
+{{TM500 | mfg=Tektronix | type=AM502 | function=differential amplifier | class=amplifier | image=Tek am502 1.jpg | introduced=1974 | discontinued=(?) | designers= | manuals=
-* [http://w140.com/smb/AM502_SM.pdf Tektronix AM502 Manual (OCR, PDF)]
+* [[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?).
-==Specifications==
+{{BeginSpecs}}
-[[Category:Specifications needed]] ''please add''
+{{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==
+* [http://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}}
 ==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]]