This is a used Tektronix model FG 507 Sweep Function
Generator. Requires 2 TM500 series slots. (power supply not included--see our
other auctions for power supply and other TM modules). It has 30 volts p-p maximum
output into a 50 ohm load. It provides log or linear sweep, manual, triggered,
freerun, and hold. It has variable duration, 3 wave forms, variable DC, and +
or - offset.