Operation Using The Output Terminals Marked Load; Operation Using The Built-In Output Attenuator; Frequency Modulation - BRUEL & KJAER 1013 Instructions And Applications

should occur at some point between 3 and 5 on the FREQUENCY SCALE
ALIGNMENT "Fine".
B. Operation Using the Output Terminals Marked "Load".
Apply the following procedure:-
1. Set-up and calibrate the oscillator as described in A.
2. Place the MATCHING IMPEDANCE switch in a suitable position for
the application.
N.B. Full deflection of the instrument meter corresponds to the voltage
indicated by the switch position.
3. Connect the load to the output terminals marked LOAD.
N.B. Right-hand terminal is grounded.
4. Turn the pointer on the main frequency dial to the desired frequency,
finally adjusting the FREQUENCY INCREMENT if necessary. (For
automatic frequency sweep, see under E).
5. Select a suitable output voltage by turning the knob marked OUTPUT
VOLTAGE.
C. Operation Using the Built-in Output Attenuator.
Apply the following procedure:-
1. Set-up and calibrate the oscillator as described in A.
2. Set the MATCHING IMPEDANCE switch in the position " Att.".
3. Select the appropriate voltage range by means of the A TTENU A TOR.
N.B. Full deflection of the instrument meter corresponds to the voltage
indicated by the switch position (m V or dB re. 1 volt}.
4. Connect the load to the screened output socket on the top of the
instrument marked ATTENUATOR OUTPUT.
5. Proceed as in B, 4 and 5.
D. Frequency Modulation.
When a frequency modulated output signal is required, the following
procedure should be adopted :-
1. Turn the knob marked MODULATION FREQUENCY to the required
frequency.
2. Turn the knob marked FREQUENCY DEVIATION to zero.
3. Be-calibrate the Oscillator as described in A.
4. Set the FREQUENCY DEVIATION knob to the required frequency
swing (bandwidth}.
5. Proceed as described in B items 2 to 5, or C items 2 to 5, dependent on
the requirement.
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