AM502
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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
- Tek AM502 @ amplifier.cd
- Zenwizard Studios - Tektronix AM 502 Differential Amplifier Repair and Calibration
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 |
070-2088-01.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 • SW503 • SW504 • TG501 • TR501 • TR502 |
Pictures
Components
Some Parts Used in the AM502
Part | Part Number(s) | Class | Description | Used in |
---|---|---|---|---|
151-1027-00 | 151-1027-00 | Discrete component | dual N-channel JFET | 5031 • 3A9 • AM502 |