NF Programmable Filter DT series

Programmable Filter

DT series

	The DT series is a programmable filter featuring frequency control by means of digital signals.
DT-212D

DT Series

Model	Characteristics	Cut-off (center) frequency range	Freq. setting	Dimensions (mm)
DT-212	2-pole (1-pole pair) 12dB/oct (LPF, HPF) 6dB/oct (BPF)	D : 160kHz max. depends on externally connected resistors DC1 : 1Hz to 1.599kHz DC2 : 100Hz to 159.9kHz	BCD 3-digit	54.4 x 33.7 x 9.4 40 pins, DIP
DT-408	2-pole (1-pole pair) cascaded 12dB/oct x 2 (LPF, HPF) 6dB/oct x 2 (BPF)	D : depends on externally connected resistors DC2 : 1kHz to 159kHz	BCD 2-digit	54.4 x 33.7 x 8.0 40 pins, DIP
DT-208	2-pole (1-pole pair) 12dB/oct x 2 (LPF, HPF) 6dB/oct x 2 (BPF)	D : depends on externally connected resistors DC3 : 10kHz to 1.59MHz	BCD 2-digit	54.4 x 33.7 x 9.4 40 pins, DIP
DT-5FL	5-pole Elliptic LPF 60dB/oct equivalent	Type1 : 10Hz to 2kHz *	3-bit binary
DT-6FL	6-pole Elliptic LPF 80dB/oct equivalent	Type2 : 10Hz to 20kHz *	3-bit binary
DT-8FL	8-pole Elliptic LPF 130dB/oct equivalent	Type1 : 20Hz to 20kHz * Type2 : 100Hz to 100kHz *	4-bit binary	76.7 x 47.2 x 8.0 60 pins, DIP

Supply voltage :	±15V *1-2-5 sequence
* Can be installed in Multichannel DT Filter 3344.

OP-102 OSCILLATOR ADAPTER

OP-102 can be combined with DT-212D series to enable implementation of sinewave oscillator with the frequency set by a 3-digit BCD input.

Oscillation frequency range

1Hz to 100kHz
Eternally connected components are necessary in 100Hz or lower