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Lowpass & Highpass (digital - QAM)
Lowpass & Highpass (digital - QAM)
 
Model 19128L – Lowpass Series
Model 19128H – Highpass Series
These filter series’ consist of a combination of “brickwall” channel deletion
components and lowpass (or highpass) components.
Each combination results in a “brickwall” lowpass (or highpass) filter assembly
for adjacent QAM channel operation.

The primary application is to delete an existing group of contiguous channel
programs for the purpose of reinserting new programming (i.e. – cameras,
educational programming, etc.), while preserving adjacent QAM channel
programming.
Specifications:
Available Channels: .................................. CATV Channels 2 - 158
Passband Loss:.......................................... 4 - 6 dB Approx @ Passband Edge Channel
1 - 3 dB Typ in Remainder of Passband
Passband Flatness: .................................... 3 dB Typ @ Passband Edge Channel
Group Delay Variation: ............................. 500 nS Typ @ Passband Edge Channel
Stopband Attenuation:............................... 40 dB Min @ Stopband Edge Channel
50 dB Typ in Remainder of Stopband
Operating Temperature Range: ................. +13ºC to +33ºC
Impedance:................................................ 75 ohms
Connectors: ............................................... F-female
Rack Panel (or Rack Chassis) Mounted for Indoor Use
Ordering Information:
Lowpass
19128L-XX/YY where
XX = Passband Edge Channel
YY = Stopband Edge Channel
Highpass
19128H-XX/YY where
XX = Stopband Edge Channel
YY = Passband Edge Channel


Product Code: TULLPHPQAM
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Description
 
Model 19128L – Lowpass Series & Model 19128H – Highpass Series These filter series’ consist of a combination of “brickwall” channel deletion components and lowpass (or highpass) components.

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