Product Brief
CMB038B - PRELIMINARY
2575-2615 MHz Bandpass Filter
Features
. Low loss with high rejection and low ripple
. Superior power handling and reliability
. Part of the CMB family of Metro-cell TDD Bandpass Filters
. Choice for either PCB mounting with pins, or with various
connectors (SMA, SMP-Max, etc.) and mounting brackets
Estimated
Part Dimensions: 65 × 38 × 20 mm • 132g
Materials: Ag plated ceramic block
Applications
. Wireless Infrastructure applications
. High-performance carrier-grade TDD basestations up to 20W at the antenna port
. Wide-band DAS, Repeaters, or small-cells including support for WiFi co-location
Description
Ceramic waveguide bandpass filter based on ClearPlex technology supports TDD frequency bands. Provides
superior rejection, insertion loss, reliability, as well as both peak and average power handling compared to other
ceramic technologies. Performance is comparable to compact Air Cavity in dramatically smaller size.
Electrical Specifications
Frequency
Typical
Spec.
Spec. over
Parameter
(MHz)
at 25⁰C
at 25⁰C
-40⁰C to +85⁰C
Nominal Impedance
Average Input Power
Peak Input Power
-
-
-
50 ohms
-
-
-
-
-
-
32 Watt max
320 Watt max
Input-Output Response
Passband Insertion Loss (5 MHz avg)
Passband Insertion Loss (single-point)
Passband Ripple (over 5MHz)
Group Delay Variation (min-max)
Passband Return Loss
2575 - 2615
2575 - 2615
2575 - 2615
2575 - 2615
2575 - 2615
1 - 2500
2.5 dB max
3.0 dB max
1.3 dB max
20 ns max
16 dB min
72 dB min
35 dB min
Attenuation:
2500 - 2570
2620 - 2690
2690 - 4200
35 dB min
72 dB min
NOTE: Use with RLF0270A lowpass filter to assure high-frequency suppression over 4.2-12.75GHz
Note: CTS tests each unit to the critical specifications above.
Subsequent audits may deviate due to repeatability among
different test systems which shall not exceed these allowances.
Specification Allowance
Insertion Loss
Return Loss
Attenuation
0.1 dB
1.0 dB
1.0 dB
2016-07-11 Rev. A
Page 1 of 2
©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
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