Fluke 190-062, -102, -104, -202, -204, -502, -504
Service Manual
5-36
Table 5-15. Input D LF-HF Gain Calibration Points
Cal step UUT input signal 5502A Setting
CL 0675 0.5 Vpp square wave, 1 kHz SCOPE edge, 0.5 Vpp, 1 kHz
CL 0486 0.62 Vpp sine wave, 50 kHz SCOPE levsine, 0.62 Vpp, 50 kHz
CL 0487 0.62 Vpp sine wave
Fluke 190-204: 221 MHz
Fluke 190-104: 121 MHz
SCOPE levsine, 0.62 Vpp,
221 MHz
121 MHz
Table 5-16. Input D LF-HF Gain Calibration Points (Extra steps for 190-104/204, V10.4x firmware *)
Cal step UUT input signal 5502A Setting
CL 0466 124 mVpp sine wave, 50 kHz SCOPE levsine, 124 mVpp, 50 kHz
CL 0467 124 mVpp sine wave
Fluke 190-204: 221 MHz
Fluke 190-104: 121 MHz
SCOPE levsine, 124 mVpp,
221 MHz
121 MHz
* Four channel instruments (190-104/204) with firmware V10.4x require the extra steps CL 466 and CL 467. Installed
firmware version can be checked via key sequence: USER key, F3 – VERSION & CAL, Software Version: …
Input ABCD (AB) LF-HF Gain
Note
The adjustment steps for channel C and D are only for the models
190-104 and 190-204.
To do the Input ABCD LF-HF Gain calibration:
1. Press
F2
to select the first calibration step in Table 5-17.
2. Connect the Test Tool to the 5502A as shown in Figure 5-15.
NORMAL SCOPE
FLUKE 5502A CALIBRATOR
CONNECT TO CHANNEL A, B, C, D IN PARALLEL
50 OHM TERMINATIONNO
ADC
B
PM9093
PM9092
AB
METER
P
M
9
0
9
3
PM9092
PM9091
2 CHANN. + METER
4 CHANNELS
Perf-Ver-C2.eps
Figure 5-15. Test Tool Input ABCD to 5502A SCOPE Output
3. Set the 5502A to supply a 1 kHz square wave (SCOPE, MODE volt, SCOPE
Z 1 MΩ) to the first calibration point in Table 5-17.
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