Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications

LM-NP/-LP 1000 Series - Line Matching Transformers

REV. 05/11

Part Numbers And Specifications

Parameters

Unit

LM-NP

1001-B1L

LM-NP

1002L

LM-NP

1003L

LM-NP

1004L

LM-NP

1005L

LM-LP

1001L

LM-LP

1002L

LM-LP

1003L

LM-LP

1004L

LM-LP

1005L

Ref. Temperature Data

°C

25

25

25

25

25

25

25

25

25

25

Impedance

(min./at 1.0 kHz)

Primary

Ω

600

600

600

600

(150, 150)

600

(150+150)

600

600

600

600

(150, 150)

600

(150+150)

Secondary

Ω

600

600

(150,150)

600

(150+150)

600

(150,150)

600

(150+150)

600

600

(150,150)

600

(150+150)

600

(150,150)

600

(150+150)

Inductance

(min./at 0.2 kHz)

Primary

H

2.8

2.8

2.8

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

2.8

2.8

2.8

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

Secondary

H

2.8

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

2.8

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

2.8

(0.7, 0.7)

2.8

(0.7+0.7)

DC-Resistance

(typical/±10 %)

Primary

Ω

66

66

66

66

(33,33)

66

(33+33)

90

90

90

90

(45,45)

90

(45+45)

Secondary

Ω

66

66

(33,33)

66

(33+33)

66

(33,33)

66

(33+33)

90

90

(45,45)

90

(45+45)

90

(45,45)

90

(45+45)

Turns Ratio (

≤ ±2 %)

—

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

Winding Configurations

—

—

one

winding

center

tapped

one

winding

split

both

windings

center

tapped

both

windings

split

—

one

winding

center

tapped

one

winding

split

both

windings

center

tapped

both

windings

split

Insertion Loss (at 2.0 kHz)

dB

≤ 1.5

≤ 2.0

Return Loss

Transformer

(0.2 - 4.0 kHz)

In Networks

dB

≥ 10.0

≥ 21.0

≥ 8.0

≥ 20.0

Shunt Loss (typical)

k

Ω

9.0

9.0

Frequency Response

(typ./0.2 - 3.5 kHz)

dB

- 0.3

- 0.5

Wide Band Response

(0.2 - 10.0 kHz)

dB

-2.5

-4.5

Power Level

dBm

- 45.0 to + 3.0

- 43.0 to + 3.0

Longitudinal Balance

(0.3 - 4.0 kHz)

dB

-80.0

- 70.0

Distortion (0 dB/at 1.0 kHz)

%

≤ 0.1

≤ 0.25

Leakage Induction (typical)

mH

14.0

14.0

Dielectric Strength (P/S)

kVDC

6.5

6.5

Temperature

Range

Operation

°C

-10 to +60

-10 to +60

Storage

°C

-20 to +70

-20 to +70

Specifications Met

BS 6204: Construction and flammability (UL 94V0)

CCITT: Rec. T/CD 1-1 (Sept. 1982)

BS 6301: Isolation

BS 6305: Return loss (1982/paragraph 4.3.2.2/b)