The Tektronix CFG253 is a stand-alone 3 MHz function generator.
It appears to be Tek-rebranded OEM unit, similar to a Kenwood FG-272.
|Frequency||0.3 Hz to 3 MHz in 7 ranges|
|Amplitude||0 to 2 Vp-p or 0 to 20 Vp-p into high impedance (0-1/0-10 V into 50 Ω), ±10 (5) V offset|
|Signal types||Sine, Square, or Sawtooth, additional TTL output|
|Sine distortion||<1% from 10 Hz to 100 kHz|
|Sweep||1:1 to 100:1, 0.5 Hz to 50 Hz|
|Symmetry control||5:1 change|