| Mechanical and ele ctronic step attenuators |
opt. 2 |
| Analog Sweep |
opt. 6 |
| IF Input |
opt. 7 |
| User-Defined Modulation Waveform Software |
opt. 10 |
| FM/Phase Modulation (ext.) |
opt. 12 |
| Pulse Modulation (ext.) |
opt. 13 |
| AM (ext.) |
opt. 14 |
| LF Function Generator |
opt. 23 |
| Pulse Generator |
opt. 24 |