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D5BT Series

Tunable Bandpass Filter,
Low Frequency, Digitally Controlled

Overview

Product Name: D5BT Series – Tunable Bandpass Filter, Low Frequency, Digitally Controlled

Features:

Digitally Controlled
Optional Internal Filter Providing 60 dB min attenuation out to 700 MHz
High Performance Cavity Design
Octave Tuning Ranges
Drive Voltages Include 24 VDC (standard), 12 VDC and
110 VAC
Remote Interfaces Include GPIB (standard), RS-232
and RS-422

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Product Specifications

K&L Model Bandpass	Frequency Range (MHz)	Insertion Loss at F₀	3 dB BW	VSWR	Shape Factor 30 dB to 3 dB/ 50 dB to 3 dB
D5BT-2/4-5-N/N-GRI-LP	2 - 4	3.5 dB max.	5%	1.5:1	2.2:1 / 3.5:1
D5BT-4/8-5-N/N-GRI-LP	4 - 8	3.0 dB max.	5%	1.5:1	2.2:1 / 3.5:1
D5BT-8/16-5-N/N-GRI-LP	8 - 16	2.0 dB max.	5%	1.5:1	2.2:1 / 3.5:1
D5BT-16/32-5-N/N-GRI-LP	16 - 32	2.0 dB max.	5%	1.5:1	2.2:1 / 3.5:1

FIlter Type	Impedance	RF Connectors	Control Interface	Control Power
5 Section Bandpass	50 Ohms	Type N Standard, SMA / TNC / BNC Optional	GPIB Standard, RS-232 / RS-422 / BCD Optional	24 VDC Standard, 12 VDC / 110 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
• Trouble Shooting Co-location Environments
• Military Communications
• 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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