Vectronics LP-30 Instruction Manual

VECTRONICS

LP-30 LOW PASS FILTER

Suppress television interference with Vectronics' new 1500 Watt,
30MHz, Low Pass Filter.

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Use between transmitter and antenna or tuner.

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Reduces television interference (TVI) radiated by transmitters

operating below 30MHz.

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Suppresses harmonics appearing in the TV bands.

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Additional attenuation to TV IF frequencies above 40MHz.

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Low loss to 30MHz, VSWR less than 1.3:1.

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Nine pole inverse Chebyshev design.

SPECIFICATIONS

Pass band:........................................0-30MHz

Cutoff Frequency:............................30MHz

Attenuation:.....................................42.17MHz (color IF), -70dB:

45.75MHz (video IF), -70dB;

55.25MHz (channel 2 video),

-70dB;
Worst case at 65MHz, -60db.

Power Capacity:..............................1500W

Impedance:......................................52S

Insertion Loss:.................................0.25dB maximum @ 30MHz