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A-184-1 Ring Modulator / S&H/T&H / Slew Limiter Combo
A-184-1 is the combination of 3 functions which are actually already available in other modules (e.g. A-114, A-148, A-170). In many systems it's not necessary to have two ring modulators (A-114) or two S&H units (A-148) or two slew limiters (A-170) available. That's why we have compiled these function in one small 4 HP module.
The upper section is nothing but half of an A-114, i.e. a ring modulator with the usual X/Y inputs and the X*Y output.
The lower section is a Sample & Hold (S&H) / Track & Hold (T&H) unit followed by a slew limiter. An internal jumper is used to set the mode to S&H or T&H (in the final version a switch at the front panel will be added to select between S&H and T&H). In S&H mode the unit picks out a sample from the voltage at the SH input at the rising edge of the trigger signal input. In T&H mode the output follows the input voltage as long as the level of the trigger signal is high. As soon as the trigger signal turns low, the last voltage is stored. The trigger input is internally normalled to high, i.e. the unit works as a slew limiter in T&H mode when no trigger signal is applied.