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DxBT-DxCTB Series

Tunable Bandpass Filter
High Selectivity, Digitally Controlled

Overview

Product Name: DxBT, DxCTB Series – Tunable Bandpass Filter, High Selectivity, Digitally Controlled

Features

Digitally Controlled
High Performance Cavity Design
Multiple Tuning Ranges Available
7 and 9 Section Options for Maximum Selectivity
Multiple Drive Voltages Available
Multiple Control Interface Options Available

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Product Specifications

K&L Model	Frequency Range (MHz)	Insertion Loss at f0 (typical)	3 dB Bandwidth (nominal)	VSWR at f0 (typical)	30 dB to 3 dB Shape Factor (typical)	50 dB to 3 dB Shape Factor (typical)
D7BT-500/1000-4-N/N-GSI	500 - 1000	1.5	4%	1.7:1	1.6:1	2.2:1
D7BT-1000/2000-2-N/N-GSI	1000 - 2000	3.0	2%	1.7:1	1.6:1	2.2:1
D7CTB-2000/4000-1-N/N-GSI	2000 - 4000	3.0	1%	1.7:1	1.6:1	2.2:1
D7CTB-4000/6000-1-N/N-GSI	4000 - 6000	4.0	1%	1.7:1	1.6:1	2.2:1
D9BT-1000/2000-2-N/N-GSI	1000 - 2000	2.5	2%	2.0:1	1.4:1	1.7:1
D9CTB-2000/4000-2-N/N-GSI	2000 - 4000	2.5	2%	2.0:1	1.4:1	1.7:1
D9CTB-4000/6000-2-N/N-GSI	4000 - 6000	3.0	2%	2.0:1	1.4:1	1.7:1

Filter Type	Impedance	RF Connector	Control Interface	Power
Tunable Bandpass	50 Ohms	Type N standard, SMA optional	GPIB standard, RS-232, RS-422, USB optional	110 VAC standard, 12 VDC, 24 VDC, 220 VAC optional

Digitally Controlled Filter Guide

Format	RS232 (serial)	RS422 (serial)	BCD (parallel)	Binary (parallel)	IEEE-488 (parallel)	ARC171	ARC234	Thumbwheel	Ethernet	USB
Code	A	B	E	F	G	H*	J*	K	L	M

* Non-standard longer lead time option

Voltage	Code
12-14 VDC	Q
24-28 VDC	R
110 VAC	S
220 VAC	T

Applications

Automated Test and Measurement Facilities
Troubleshooting Co-location Environments
Wireless Communications

Markets

Defense Aerospace Communications GPS ATE Space

Resources

Pole/Zero ICE Product Catalog

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BSC Filters Brochure

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K&L Microwave Filters Product Catalog

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Tunable Filters Brochure

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Access Filter Wizard

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Access QuEST

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Featured Brand

K&L Microwave

Since 1971, we’ve aggressively invested in innovation to deliver interference mitigation products built to even the most exacting specifications. By taking control of the internal design and production processes, K&L Microwave can work collaboratively with customers, employing our high-quality standards and industry expertise to develop custom solutions across a full line of applications.

Our line of filters, duplexer, and subassemblies includes multiple topologies, including Ceramic, Lumped Element, Cavity, Waveguide, and Tunable Filters.

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