Data Filters

Signal and Sensor Lines Filters

ETS-Lindgren's LTC Series of filters are ideal for applications including communication lines entering or leaving shielded rooms, computer rooms, communication terminal rooms, and Sensitive Compartmental Information Facilities (SCIF).

ETS-Lindgren's LTC Series of filters are ideal for applications including communication lines entering or leaving shielded rooms, computer rooms, communication terminal rooms, and Sensitive Compartmental Information Facilities (SCIF).

The LTC-X640 series filters have multiple circuits to handle 2, 4, 6, 8, 10 or 12 wires, and are designed for stand-alone, individual mounting. The LTC-X640 series filters may be supplied with an optional threaded conduit pipe for penetration of a shielded enclosure.

Key Features
  • For 2 to 12 Line LTC Filters
  • Signal, Sensor & Voice Communication
  • Data Communication
  • Control Line
Physical Specifications

Model
Number of Lines
Width
LTC-2640-RS232
2
7.62 cm (3.0 in)
LTC-4640-RS232
4
15.24 cm (6.0 in)
LTC-6640-RS232
6
30.48 cm (12 in)
LTC-8640-RS232
8
30.48 cm (12 in)
LTC-10640-RS232
10
45.72 cm (18 in)
LTC-12640-RS232
1245.72 cm (18 in)
LTC-2640-RS422
2
7.62 cm (3.0 in)
LTC-4640-RS422
4
15.24 cm (6.0 in)
LTC-6640-RS422
6
30.48 cm (12 in)
LTC-8640-RS422
8
30.48 cm (12 in)
LTC-10640-RS422
10
45.72 cm (18 in)
LTC-12640-RS422
12
45.72 cm (18 in)
LTC-2640-10M
2
7.62 cm (3.0 in)
LTC-4640-10M
4
15.24 cm (6.0 in)
LTC-6640-10M
6
30.48 cm (12 in)
LTC-8640-10M
8
30.48 cm (12 in)
LTC-10640-10M
10
45.72 cm (18 in)
LTC-12640-10M
12
45.72 cm (18 in)

NOTE: For Installation on shield, filters can be ordered with penetration kit. Add "/PEN" to model numbers.


Electrical Specifications
Model
Passband Impedance
Passband Loss
Stopband Insertion Loss
Maximum Current
Maximum Voltage
LTC-X640-RS232
5000 (L-L), 2500 (L-G)
1.0 dB Maximum; 0 to 100 kHz
100 dB min @ 330 kHz to 18 GHz
0.006
30
LTC-X640-RS422
100 (L-L), 50 (L-G)
1.0 dB Maximum:
0 to 10 MHz
100 dB Minimum @ 30 MHz to 18 GHz
0.06
30
LTC-X640-10M
100 (L-L), 50 (L-G)
3.0 dB Maximum;
0 to 25 MHz
100 dB Minimum @ 85 MHz to 18 GHz
0.5
125

NOTE: For Installation on shield, filters can be ordered with penetration kit. Add "/PEN" to model numbers.