D3TNF Series

Tunable Bandreject Filter,
Digitally Controlled

Overview

Product Name: D3TNF Series – Tunable Bandreject Filter, Digitally Controlled

Features

Digital Control allows complete automated operation via remote interface. GPIB (IEE-488) Standard Remote Interface, RS-232, RS-422, BCD and USB also available.
24 VDC Standard Drive Voltage, 12 VDC, 110 VAC, and 220 VAC also available

Product Specifications

K&L Model	Frequency Range (MHz)	Passband Insertion Loss	3 dB BW Range (MHz) (Relative)	40 dB Min. BW (KHz) (Relative)	Typ. Notch Depth (Relative)	VSWR	Passband Power Handling
D3TNF-30/76-N/N-GRI	30-76	0.5 dB Max	1-2.5	100	50 dB	1.5:1	50 Watts CW
D3TNF-50/100-N/N-GRI	50-100	0.5 dB Max	3-6	300	50 dB	1.5:1	50 Watts CW
D3TNF-100/200-N/N-GRI	100-200	0.5 dB Max	3-6	300	50 dB	1.5:1	50 Watts CW
D3TNF-200/400-N/N-GRI	200-400	0.5 dB Max	3-7	300	50 dB	1.5:1	50 Watts CW
D3TNF-250/500-N/N-GRI	250-500	0.5 dB Max	3-7	300	50 dB	1.5:1	50 Watts CW
D3TNF-500/1000-N/N-GRI	500-1000	0.5 dB Max	6-16	400	45 dB	1.5:1	50 Watts CW
D3TNF-1000/2000-N/N-GRI	1000-2000	0.5 dB Max	9-24	400	45 dB	1.5:1	50 Watts CW

*The “Frequency Range” column indicates the Passband Range as well as the Tuning Range of the filter. The passband performance
outside of that frequency range is not defined.

Filter Type	Impedance	RF Connector	Control Interface	Control Power
3 Section Notch	50 Ohms	Type N Standard, SMA/TNC/BNC Optional	GPIB Standard, RS-232 / RS-422 / BCD Optional	24 VDC Standard, 12 VDC / 110 VAC /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

ATE Labs
Wireless Communications
Military Communications

Markets

Defense Aerospace Communications GPS ATE Space

Resources

Pole/Zero ICE Product Catalog

View

BSC Filters Brochure

View

K&L Microwave Filters Product Catalog

View

Tunable Filters Brochure

View

Access Filter Wizard

Visit

Access QuEST

Visit

View All

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.

Learn More Find Products