Model 5261A
Section III
Figure 3-2
1. Apply power to Counter and Video Amplifier by
5. Set Video Amplifier SENSITIVITY to 100 MV.
turning SAMPLE RATE control slightly clock-
wise from POWER OFF position.
6. Connect signal to be measured to INPUT con-
2. Set Counter SENSITIVITY to PLUG IN.
nector on Video Amplifier. DO NOT EXCEED
5 V rms.
3. Set TIME BASE to 10 ms.*
4. Set FUNCTION to FREQUENCY.
7. Vary SENSITIVITY control until OUTPUT
LEVEL meter reads in green portion of scale.
*TIME BASE setting may vary depending upon de-
sired resolution of INPUT signal frequency (Table
8. Observe frequency of INPUT signal as displayed
3-1).
by Counter.
05261-A-3
FIGURE 3-3. Frequency Measurement with Model 5261A
3-3/3-4
Summary of Contents for AM-4380/U 5261A
Page 2: ...A ...
Page 7: ...Model 5261A Section I Figure 1 1 FIGURE 1 1 Model 5261A 1 0 ...
Page 19: ...Model 5261A Section V Figure 5 1 FIGURE 5 1 Schematic Diagram Notes 5 5 ...
Page 20: ...Model 5261A Section V Figure 5 2 FIGURE 5 2 Top View Component Location 5 6 ...
Page 21: ...Model 5261A FIGURE 5 3 Bottom View Component Location 5 7 ...
Page 22: ...Model 5261A Section V Figure 5 3 and 5 4 FIGURE 5 4 Video Amplifier Schematic 5 7 5 8 ...
Page 31: ...TM 11 6625 2906 14 P APPENIDIX C Additional Authorization List Not Applicable C 1 ...
Page 39: ...Model 5261A Appendix E FIGURE A 1 Top View Component Location E 3 ...
Page 40: ...Model 5261A Appendix E FIGURE A 2 Bottom View Component Location E 4 ...
Page 41: ...Model 5261A Appendix E FIGURE A 3 Video Amplifier Schematic E 5 ...
Page 42: ...Model 5261A Appendix E FIGURE A 4 A1 Preamplifier Component Location E 6 ...
Page 43: ...Model 5261A Appendix E FIGURE A 5 Video Amplifier Schematic E 7 ...
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Page 48: ...PIN 046855 000 ...
