Tektronix RFM150, Instruction Manual

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Performance Check
5–8 RFM 150 Instruction Manual
b. Use the following key sequence to select FM deviation
measurement mode: [MEAS] [F3].
c. Verify that the reading is 12 kHz
±
3.2 kHz. Record the
RFM 150 reading in your copy of Table 5–1.
d. Increase the FM deviation of the input signal to 25 kHz.
e. Verify that the reading is 25 kHz
±
4.5 kHz. Record the
RFM 150 reading in your copy of Table 5–1.
8. Verify IF filter amplitude calibration as follows:
a. Apply a +38.7 dBmV, 511.25 MHz signal.
b. With the instrument still tuned to 511.25 MHz, use the
following key sequence to select Meter mode: [LEVEL] [F5].
c. Press [F4] to set the detection mode to AVG.
d. Press [F3] to change the Resolution BW from 300 kHz to
30 kHz.
e. Verify that the amplitude reading has not changed by more
than 1 dB. Record the RFM 150 reading in your copy of
Table 5–1.
Front Panel / Backlight / Clock Operation Check
9. If the RFM 150 is already in use, proceed to step 10. Otherwise,
power up the RFM 150 as follows:
a. With the instrument turned off, plug the AC adapter into the
DC input connector.
b. Plug the AC adapter into a compatible power source.
c. Press [POWER] to turn the instrument on.
10. Press [DISP] to enter the Display menu.
a. Check that the words “DISPLAY MENU” appear in the upper
left portion of the screen.
b. Use the knob to turn the backlight off and on. Leave it set as
desired.
Performance Check
5–8 RFM 150 Instruction Manual
b. Use the following key sequence to select FM deviation
measurement mode: [MEAS] [F3].
c. Verify that the reading is 12 kHz
±
3.2 kHz. Record the
RFM 150 reading in your copy of Table 5–1.
d. Increase the FM deviation of the input signal to 25 kHz.
e. Verify that the reading is 25 kHz
±
4.5 kHz. Record the
RFM 150 reading in your copy of Table 5–1.
8. Verify IF filter amplitude calibration as follows:
a. Apply a +38.7 dBmV, 511.25 MHz signal.
b. With the instrument still tuned to 511.25 MHz, use the
following key sequence to select Meter mode: [LEVEL] [F5].
c. Press [F4] to set the detection mode to AVG.
d. Press [F3] to change the Resolution BW from 300 kHz to
30 kHz.
e. Verify that the amplitude reading has not changed by more
than 1 dB. Record the RFM 150 reading in your copy of
Table 5–1.
Front Panel / Backlight / Clock Operation Check
9. If the RFM 150 is already in use, proceed to step 10. Otherwise,
power up the RFM 150 as follows:
a. With the instrument turned off, plug the AC adapter into the
DC input connector.
b. Plug the AC adapter into a compatible power source.
c. Press [POWER] to turn the instrument on.
10. Press [DISP] to enter the Display menu.
a. Check that the words “DISPLAY MENU” appear in the upper
left portion of the screen.
b. Use the knob to turn the backlight off and on. Leave it set as
desired.