Figure 3-4. Impedance correction chart.

TM 11-6625-255-14/TO 33A1-13-170-1

Figure 3-4. Impedance correction chart.

310. Use as Vtvm With Increased Sen-

sitivity of the spectrum analyzer is increased by a

sitivity

voltage gain of 100, or by a dB gain of 40.

When the function switch is set to SET LEVEL,

a. Connect test leads from the signal source to

the sensitivity of the spectrum analyzer is in-

be measured to the AF INPUT binding posts.

creased by a voltage gain of 10, or by a dB gain of

b. Set t h e AF-RF selector switch (TS-

+20. When this switch is set to NOISE, the sen-

723A/U) to AF.

3-6