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.
Multi-Channel Deletion (analog)
7964 Analog (Contiguous) channel deletion network
6971 Analog (Non-Contiguous) channel deletion network
Suppress blocks of channels