Com-Power LIT-930 User Manual

Transient limiters, Description, Features

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Transient Limiters

LIT-153, 930

Description

Transient limiter LIT-153 and LIT-930 protects a spec-
trum analyzer input from high-level transients from
the line impedance stabilization networks during EMC
conducted emissions testing.

It has a combined frequency range of 9 kHz -30 MHz.
The built in high pass fi lter helps reduce 50/60 Hz line
feed through.

Typical Attenuation:

Features

Frequency Range:

9 kHz - 30 MHz

For conducted emissions testing with LISN

Protects spectrum analyzer input

Com-Power Corporation

114 Olinda Drive, Brea, California 92823

(714)-528-8800

www.com-power.com

Specifi cations

LIT-153

Frequency range: 150 kHz - 30 MHz
Insertion loss: 10 dB +1.5 / -0.5 dB*
Max. Input level: 2 Watts CW (+33 dBm average)**

DC-voltage +/- 50 V DC

VSWR:

1.5:1 better

Connectors:

N type (input and output)

Dimensions:

L 3.0” (75 mm)

W 1.25” (32 mm)

H 1.25” (32 mm)

LIT-930

Frequency range: 9 kHz - 30 MHz
Insertion loss: 10 dB +1.5 / -0.5 dB*
Max. Input level:

4 Watts CW (+36 dBm Average)**

DC-voltage +/- 50 V DC

VSWR: 1.5:1 better
Connectors:

N type (input and output)

Dimensions:

L 4.3” (100 mm)

W 2.0” (50 mm)

H 1.5” (35 mm)

Note:

* This is inband attenuation level with maximum 120
dBμV input.
** This is the maximum inband input level that will not
damage the unit.

-70

-60

-50

-40

-30

-20

-10

0

0.001

0.01

0.1

1

10

100

dB

MHz

LIT-153

-30

-25

-20

-15

-10

-5

0

0.001

0.01

0.1

1

10

100

dB

MHz

LIT 930

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