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 * 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