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High Frequency Ceramic Solutions
1.75 GHz Low Pass Filter
Detail Specification: 07/29/08 General Specifications
Part Number Frequency (MHz) Insertion Loss Return Loss Attenuation (min.) Attenuation (min.) 1748LP18A075 1710 - 1785 0.60 dB max. 10.9 dB min. 30 dB @ 3500 MHz 20 dB @ 5240 MHz Input Power Impedance Operating Temperature Storage Temperature Reel Quanity MSL 2W max. 50 -40 to +85C
+5 ~ +35 C, 12 mos max. Humidity 45~75%RH
P/N 1748LP18A075
Page 1 of 2
3,000 2* * - 1 yr shelf life in bag; 1 week shelf life out of bag; Vacuum reseal unused reel
P/N Packaging Suffix Style
Bulk T&R
Suffix = S Suffix = E
Eg. 1748LP18A075S Eg. 1748LP18A075E
Terminal Configuration Mechanical Dimensions
In L W T a b 0.126 0.012 0.063 0.012 0.039 0.008 0.031 0.012 0.020 0.012 mm 3.20 0.30 1.60 0.30 1.00 0.20 0.80 0.30 0.50 0.30
No.
Function I/O I/O GND GND
L
Case Size: 18-2B
1 2 3 4
W a b T
3 1 4 2
Mounting Considerations
Mount these devices with brown mark facing up. Line width should be designed to provide 50 impedance matching characteristics. DC Blocking capacitor is connected in series at each In/Out Port. Units: mm 0.6 Solder Resist 0.6 1.15 Land Through-hole (o 0.35) 0.8 DC Blocking Capacitor 2.2 1.5
*
*
Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2007 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
1.75 GHz Low Pass Filter
Detail Specification: 07/29/08
P/N 1748LP18A075
Page 2 of 2
Typical Electrical Performance (T=25C)
)
)
)
)
)
)
)
)
0
Insertion/Return Loss
) ) ) )
) )
)
)
)
-10
) ) )
)
)
-20
) ) )
dB(S(2,1)) dB(S(1,1))
) ) ) ) ) ) ) ) ) ) )
) )
-30 -40
) )
)
)
-50
)
-60 1.0
)
1.5
2.0
2.5
3.0
)
3.5
)
)
4.0
)
4.5
5.0
5.5
freq, GHz
)
)
)
)
)
)
)
Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved

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