SG 9302 D – Comb-Generator with 100 MHz spectrum lines
The comb-generator SG 9302 D produces a frequency spectrum consisting of lines with 100 MHz spacing up to 18 GHz. In combination with an antenna it can be used as an emission source for testing open area test sites, anechoic chambers or GTEM cells. Single components like measuring receivers, spectrum analysers, cables and attenuators can be tested as well.
The operation is very simple and time saving because the spectrum lines are always present without any tuning procedure. The built in rechargeable battery makes it a versatile, simple and cost effective substitute for signal generators, which are still very expensive and therefore rare in the frequency range above 3,6 GHz.
The output level is relatively high for a comb-generator and the lines go well beyond 18 GHz.
A VCTCXO is used as frequency standard. This abbreviation stands for “Voltage Controlled Temperature Compensated Crystal Oscillator”.
The very good frequency stability of a crystal is made even better by a compensation circuit. Furthermore, the nominal frequency can be tuned in a narrow range using a tuning voltage. This makes it possible to compensate small frequency differences between the comb-generator and a receiver. In open area test sites collisions with environmental signals can be avoided by tuning the frequency slightly.
| Connector: | SMA-female, 50 Ohm |
| Output voltage level | see Datasheet Table Page 7 |
| Frequency error | +-1,5 x 10-6 (-20°C-+70°C) |
| Dimension | 130 x 90 x 45 mm |
| Typical operation time | 8 h |
| Power supply | 3.7 V, 3.0 Ah LiOn |
| Weight (incl. battery) | 400 g |
