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 Ω -40 to +85°C
+5 ~ +35 °C, 12 mos max. Humidity 45~75%RH
P/N 1748LP18A075
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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 Ω 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 (ø 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=25°C)
)
)
)
)
)
)
)
)
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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