FBGI-3.84G
FILTER
PRELIMINARY
REV: 003, 05/27/04
TECHNICAL DESCRIPTION / APPLICATION
MULTI-MIX
®
FILTERS
Merrimac’s FBGI Series bandpass filters combine the features of Merrimac’s
patented Multi-Mix® multilayer fabrication technology with the ability to operate to
three times their center frequency without reentrant spurious passbands. They typi-
cally offer better overall performance than filters designed to the same specification
with conventional filter fabrication techniques.
GENERAL SPECIFICATIONS
FILTER TYPE
CENTER
FREQUENCY
1 dB OPERATING
BANDWIDTH
(MHz MIN)
INSERTION LOSS @
CENTER FREQUENCY
REJECTION
-30 dB MIN. @ 2.0 GHz
-20 dB MIN. @ 5.4 GHz
-30 dB MIN. @ 7.2 GHz
VSWR
(MAX)
BANDPASS
3.84 GHz Nominal
400
0.8 dB (MAX)
1.5:1 @ 3.84±0.1 GHz
SIZE
(INCHES)
WEIGHT
(GRAMS/OZ.)
RF
INTERFACE/CONNECTIONS
SMT or 50 Ohm, co-planar waveguide
launch with gold pads
OPERATING
TEMPERATURE
0.5 x 0.5 x 0.05
0.6 / 0.02
-55° - +85° C
PACKAGE OUTLINE
NOTES:
1. ALL DIMENSIONS ARE IN INCHES.
2. TOLERANCES: -3 PLACE DECIMALS; ±.005.
THE MULTI-MIX MICROTECHNOLOGY
®
GROUP IS ISO 9001:2000 REGISTERED
U.S. patent 6,099,677 and other patents pending.
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: MMFM@merrimacind.com / www.Multi-Mix.com
TYPICAL PERFORMANCE
FBGI-3.84G
Transmission vs. Frequency
0
-10
-20
-30
Magnitude (dB)
-40
-50
-60
-70
-80
2.00
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00
6.50
7.00
Frequency (GHz)
Return Loss and Transmission vs. Frequency
0
-10
-20
Magnitude (dB)
Return Loss (dB)
Transmission (dB)
-30
-40
-50
-60
2
2.5
3
3.5
4
4.5
Frequency (GHz)
5
5.5
6
6.5
7
Near In Transmission vs. Frequency
0
-1
Magnitude (dB)
-2
-3
-4
-5
3.3
3.4
3.5
3.6
3.7
3.8
3.9
Frequency (GHz)
4
4.1
4.2
4.3
4.4
4.5
THE MULTI-MIX MICROTECHNOLOGY
®
GROUP IS ISO 9001:2000 REGISTERED
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: MMFM@merrimacind.com / www.Multi-Mix.com
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