Designed for Use With the TL851 in Sonar
Ranging Modules Like the SN28827
Digitally Controlled Variable-Gain
Variable-Bandwidth Amplifier
Operational Frequency Range of 20 kHz
to 90 kHz
TTL-Compatible
Operates From Power Sources of 4.5 V
to 6.8 V
Interfaces to Electrostatic or Piezoelectric
Transducers
Overall Gain Adjustable With One External
Resistor