B0011E75300A00 Datasheet, PDF (3/10 Pages) Anaren Microwave – Ultra Low Profile 1008 Balun

Model B0011E75300A00
Rev B
Typical Performance with One External 82pF Capacitor
11
4
Port_1
10
Port_3
4
0
ZO=150Ω [=Zout/2]
-0.3
ZO=75Ω [=Zin]
33
B0011E75300Axx
R1
-0.6
66
R=300Ω [Zout]
2
11
5
-0.9
C1
7
C=82pF
Port_2
-1.2
ZO=150Ω [=Zout/2]
5
-1.5
12
9
-1.8
Figure 2 The Balun with an external capacitor on the
-2.1
low impedance ground pin. This improves insertion loss ^-2.4
and return loss in the 40-200MHz range over that of the ^-2.7
basic configuration. The capacitor value can be changed ^-3
some to get a slightly different performance. A series
-3.3
capacitor with just pin 4 does NOT produce identical
-3.6
results as the one just in series with pin 7.
Amplitude Balance
82pF series capacitor on Pin 7
2
0
-3
1.6
-6
1.2
-9
0.8
0.587
-12
0.4
0.283
-15
0
-0.015
-18
-0.283
-0.4
-21
-0.614
-24
-0.8
-27
-1.2
-30
-1.6
-33
-2
100
1000
-36
Frequency (MHz)
Phase Balance (Delta 180)
82pF series capacitor on Pin 7
20
0
-3
16
-6
12
-9
8
6.305
-12
4
1.9962.147
2.108
3.206
-15
0
-18
-4
-21
-24
-8
-27
-12
-30
-16
-33
-20
100
1000
-36
Frequency (MHz)
Insertion Loss
82pF series capacitor on Pin 7
-0.497
-1.232
-1.661
100
Frequency (MHz)
Return Loss
82pF series capacitor on Pin 7
-10.9-9191.577
-18.631
100
Frequency (MHz)
Common Mode Rejection
82pF series capacitor on Pin 7
-28.399
-32.098
-34.696
100
Frequency (MHz)
-0.962
-1.308
1000
-12.417
-14.678
1000
-23.683
-29.797
1000
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