Anritsu MX269018A - Page 39

2.1 Part Names
2-13
2
Preparation
Figure 2.1.2-4 shows an example of connection between the DUT and the
MS2830A-018/118 Audio Analyzer. Either “unbalanced connector” or
“balanced connector” can be used for AF input-output connector according
to the DUT.
Figure 2.1.2-4 Example of Connection Between DUT and MS2830A
DUT
MS2830
A
Unbal
50Ω/600Ω
Max30V
Unbal
100kΩ
*1： PTT terminal shows polarity for identifying terminals. It doesn’t have
polarity for a circuit.
PTT terminal has a built-in overcurrent protection circuit. If the protection
circuit operates, turn Off the MS2830A and turn it On again.
*2： R1： Termination corresponding to audio output impedance of the DUT.
SP OUT
DC cut
Unbal
50 Ω/600 Ω
Unbal
100 kΩ
Max 30 V
MIC IN
PTT
DC cut
100 kΩ
50 Ω
PTT
*
1
R1
*
2
A
F Output
A
F Input
+
–
600 Ω