Features and Functions
• The LB1407 and LB1417 are based on dB scale and linear scale respectively.
• The input level is indicated in the form of a bar by means of 7 red/green LEDs.
• The LED current is made variable with an external resistor.
• An input amplifier is built in.
• A wide range of supply voltages is available from 5.5V to 16V.