The AV-144 series accepts a TTL level input and provides a fixed level output. +10 Volt, +20 Volt and +30 Volt models are available. Models AV-144B1-PS and AV-144C1-PS provide outputs of +20 and +30 Volts with rise times of 2.5 and 10 ns, respectively. Companion models with the "2 suffix are similar but
with longer rise and fall times.