Theory and techniques for construction of low-cost, high-accuracy light-emitting-diode program indicators will be presented. These indicators have selectable time constants for simulation of established meter characteristics. Low-cost circuits with part values are included to enable the user to build his own indicator. Alignment of the units will be discussed along with practical uses.

Authors: Yeap, Arthur K.; Tahamtan, Ali
Affiliation: ADI - Audio Developments, Palo Alto, CA
AES Convention: 55 (October 1976) Paper Number: 1188
Publication Date: October 1, 1976

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