TM 9-6695-274-14
Figure 1-40. Tektronix, Type 1101, Accessory Power Supply.
Tektronix, Type 1101, Accessory Power Supply (fig. 1-40) is designed to furnish power for one to four active probes when
used with oscilloscopes that do not have a probe power supply. Type 1101 provides +15 V, -15 V, and +5 V and is short-
circuit protected.
Figure 1-41. Hewlett-Packard, Model 5345A, Electronic Counter System.
Hewlett-Packard, Model 5345A, Electronic Counter System (fig. 1-41) can provide frequency measurements from 1 Hz to
500 MHz or time interval measurements from 10 ns to 20,000 s. The frequency measurements capability is increased to
18 GHz with Hewlett-Packard, Model 5257A, Transfer Oscillator. The amplitude of extremely low signals is amplified with
Hewlett-Packard, Model 5261A, Video Amplifier.
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