Model B0011E75300A00
Rev B
Typical Performance with Two External 82pF Capacitors (test/specification condition)
Insertion Loss
82pF series capacitors on Pin 4&7
0
11
-0.3
Port_3
C2
10
5
4
-0.519
Port_1
ZO=150ꢀ [=Zout/2]
C=82pF
4
7
ZO=75ꢀ [=Zin]
-0.6
-0.9
-1.2
-1.5
-1.8
-2.1
-2.4
-2.7
-3
7
3
1
3
1
R1
-1.014
-1.343
B0011E75300Axx
6
6
R=300ꢀ [Zout]
-1.108
-1.381
2
C1
C=82pF
Port_2
ZO=150ꢀ [=Zout/2]
5
12
9
Figure 1 The Balun with external capacitors on both low
impedance ports (nominal/test configuration). The two
capacitors improve the insertion loss and return loss in
the 40-200MHz range over that of the basic balun.
-3.3
-3.6
100
1000
Frequency (MHz)
Amplitude Balance
Return Loss
82pF series capacitors on Pin 4&7
82pF series capacitors on Pin 4&7
2
0
-3
1.6
1.2
-6
-9
0.8
-11.975
0.559
-12
-15
-18
-21
-24
-27
-30
-33
-36
-13.605
-14.55
0.4
0
0.255
-0.072
-18.969
-0.483
-0.76
-0.4
-0.8
-1.2
-1.6
-2
-24.202
100
1000
100
1000
Frequency (MHz)
Frequency (MHz)
Phase Balance (Delta 180)
82pF series capacitors on Pin 4&7
Common Mode Rejection
82pF series capacitors on Pin 4&7
20
16
12
8
0
-3
-6
-9
8.077
-12
-15
-18
-21
-24
-27
-30
-33
-36
4.712
4
2.293
2.118
1.891
0
-21.614
-4
-26.079
-8
-28.613
-32.109
-12
-16
-20
-35.381
100
1000
100
1000
Frequency (MHz)
Frequency (MHz)
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
Available on Tape and
Reel for Pick and Place
Manufacturing.
(800) 411-6596
+44 2392-232392
ANAREN [ ANAREN MICROWAVE ]
