The SSM2024 is a quad Class A noninverting current-controlled transconductance amplifier. Each of the four VCAs is completely independent and includes a ground referenced linear current gain control.
Datasheets by Manufacturer
SSM2020 — Solid State Micro Technology — DUAL LINEAR ANTILOG VOLTAGE CONTROLLED AMPLIFIER
SSM2022 — Unknown Manufacturer — DUAL LINEAR ANTILOG VOLTAGE CONTROLLED AMPLIFIER
SSM2020 — Unknown Manufacturer — DUAL LINEAR ANTILOG VOLTAGE CONTROLLED AMPLIFIER