IBM 1620 Manual page 45

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7. Pre-Sense Amplifier (Force 7' s for
observation) .
----- a. Differential (between A2F28A and
A2F28C) at 50 mv / em.
--·-b. Strobe (A2F28H) at 10 volts/em.
e. Output (A2F28F) at 10 volts/em.
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8. Pre-Sense Amplifier
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Differential (between A2F28A and
A2F28C) at 50 mv / em.
Output {A2F28F} at 5 volts/em.
9. Inhibit Driver
- a .
Output (A2E08C) at 10 volts / em.
Output {A2E08C} at 100 -rr:a/ em .