LM-NP/-LP 1000 Series - Line Matching Transformers
Part Numbers And Specifications
LM-NP LM-NP LM-NP LM-NP LM-NP LM-LP LM-LP LM-LP LM-LP LM-LP
Parameters
Unit
1001-B1 1002
1003
1004
1005
1001
1002
1003
1004
1005
Ref. Temperature Data
°C
25
25
25
25
25
25
25
25
25
25
Impedance
Primary
Ω
600
600
600
600
600
600
600
600
600
600
(min./at 1.0 kHz)
(150, 150) (150+150)
(150, 150) (150+150)
Secondary
Primary
Ω
H
H
Ω
Ω
600
2.8
2.8
66
600
600
600
600
600
2.8
2.8
90
600
600
600
600
(150,150) (150+150) (150,150) (150+150)
(150,150) (150+150) (150,150) (150+150)
Inductance
(min./at 0.2 kHz)
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
(0.7, 0.7) (0.7+0.7)
(0.7, 0.7) (0.7+0.7)
Secondary
Primary
2.8
2.8
2.8 2.8
2.8
2.8
2.8 2.8
(0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7)
(0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7)
DC-Resistance
(typical/ 10 ꢀ)
66
66
66
66
90
90
90
90
(33,33) (33+33)
(45,45) 45+45)
Secondary
66
66
66
66 66
90
90
90
90 90
(33,33) (33+33) (33,33) (33+33)
(45,45) (45+45)
(45,45) 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
one
one
both
both
one
one
both
both
Configurations
winding winding windings windings
winding winding windings windings
center
split
center
split
center
split
center
split
tapped
tapped
tapped
tapped
Insertion Loss (at 2.0 kHz)
Return Loss
dB
dB
≤ 1.5
≤ 2.0
≥ 8.0
Transformer
(0.2 - 4.0 kHz)
In Networks
≥ 10.0
≥ 21.0
9.0
≥ 20.0
9.0
Shunt Loss (typical)
kΩ
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
dB
- 45.0 to + 3.0
-80.0
- 43.0 to + 3.0
- 70.0
Longitudinal Balance
(0.3 - 4.0 kHz)
Distortion (0 dB/at 1.0 kHz)
Leakage Induction (typical)
Dielectric Strength (P/S)
Temperature Range
ꢀ
mH
kVDC
°C
≤ 0.1
14.0
≤ 0.25
14.0
6.5
6.5
Operation
Storage
-10 to +60
-20 to +70
-10 to +60
-20 to +70
°C
Specifications Met
BS 6204: Construction and flammability (UL 94 VO)
BS 6301: Isolation
CCITT: Rec. T/CD 1-1
(Sept. 1982)
BS 6305: Return loss (1982/paragraph 4.3.2.2/b)
REV. 04/05
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.