Operating The Instrument; Before Starting - Fluke 9640A Series Instruction Manual

Only to older units with firmware up to lss 2.x
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Parameter
Connector Type
Trigger Amplitude
Input Impedance
Time alignment
Parameter
Connector Type
Output Pulse
Time alignment
Parameter
Connector Type
Output Pulse
Time alignment

Operating the Instrument

This section of the manual contains operating instructions for the Instrument. Before
using these instructions, read the descriptions of the controls, indicators, and connectors
provided earlier in this chapter. These descriptions are sufficient to familiarize the user
with most of the general processes for operating the Instrument. These earlier
descriptions provide all of the information necessary to access, edit, and interpret general
screen information.

Before Starting

Before proceeding with the instructions in this section, complete the following procedure:
1. Prepare the Instrument for operation. See Chapter 2.
2. Learn the function of and how to use each of the controls, indicators, and connectors
described earlier in this chapter.
3. Account for any rear-panel connections that may be required.
4. Set the power switch to on and set the Instrument to Standby (press ).
Approximately 4 seconds after switching on power, the Instrument runs a self-test.
Details of the power-on self test are given earlier in Chapter 2.
Table 3-7. Sweep Trigger Input Specifications
Specification
BNC
TTL , +5 V pk max
10 kΩ
≤1 ms Typical
Table 3-8. Sweep Trigger Output Specifications
Specification
BNC
TTL (3 V)
+14 to +16 ms Typical
Table 3-9. Modulation Trigger Output Specifications
Specification
BNC
TTL (3 V)
±500 ns Typical
Comments
Input Referenced to RF Common (floating)
Selectable as rising or falling edge
Nominal
To start of sweep
Comments
Input Referenced to RF Common (floating)
Selectable as rising or falling.
Typical duration 250 µs
(delay ensures settled
From start of sweep
signal level at the trigger point)
Comments
Input Referenced to RF Common (floating)
Selectable as rising or falling edge
From modulation waveform zero crossing
(Sine) or positive peak (Triangle)
Local Operation

Operating the Instrument

3-25
3

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This manual is also suitable for:

9640a-lpn9640a-std

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