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L
W
T
a
b
c
g
p
Inches
0.126 ?.006
0.064?.006
0.034 ?.004
0.022 ?.006
0.014 ?.006
0.012 + .004/-.008   0.016 ?.004    0.039 ?nbsp .004
mm
3.2 ?0.15
1.6 ?0.15
0.85 ?0.1
0.55 ?0.15
0.35 ?0.15
0.3+0.1/-0.2
0.4 ?0.1
1.0 ?0.1
High Frequency Ceramic Solutions
www.johansontechnology.com
931 Via Alondra " Camarillo, CA 93012 " TEL 805.389.1166 FAX 805.389.1821
Input Power
Impedance
Operating Temperature Range
Reel Qty
3 Watts max
50 /200 &
-40 to +85癈
3,000
1.80 GHz Balun
P/N 1800BL18B200
Detail Specification: 02/19/2003
Page 1 of 2
Terminal Configuration
1    GND or DC Feed
4   Balanced Port (2)
2   Unbalanced Port (1)
5
NC
3    GND or DC Feed
6   Balanced Port (3)
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
Mechanical Dimensions
Part
Frequency
Impedance
Insertion
Return
Phase
Amplitude
Number
(MHz)
Unbal. / Bal.
Loss
Loss
Difference
Difference
1800BL18B200_    1700 - 1900
50/200 &
0.8 dB max.    9.5 dB min.
180氨10?/DIV>
2.0 dB max.
Mounting Considerations
With DC Feed
1.0
1.1
.35
.25
.65
.50
.90
Without DC Feed
1.1
.35
.90
.65
Mount devices with colored mark facing up.
*
Line width should be designed to
provide 50& impedance matching
characteristics.
By-pass capacitor(s) should be
connected when feeding DC power.
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