| Frequency Setting |
| Frequency ranges |
DC to 62.5 MHz (BNC output, all models) |
| SG382 |
950 kHz to 2.025 GHz (N-type output) |
| SG384 |
950 kHz to 4.05 GHz (N-type output)
4.05 GHz to 8.1 GHz (w/ Opt. 02) |
| SG386 |
950 kHz to 6.075 GHz (N-type output)
6.075 GHz to 8.1 GHz (w/ Opt. 02) |
| Frequency stability |
<1×10-11 (1 s Allan variance) |
| Frequency resolution |
1 µHz at any frequency |
| Switching speed |
<8 ms (to within 1 ppm) |
| Frequency error |
<(10–18 + timebase error) × fC |
| Front-Panel BNC Output |
| Frequency range |
DC to 62.5 MHz |
| Amplitude |
1.00 to 0.001 Vrms |
| Offset |
±1.5 VDC |
| Offset resolution |
5 mV |
| Max. excursion |
1.817 V (amplitude + offset) |
| Amplitude resolution |
<1 % |
| Amplitude accuracy |
±5 % |
| Harmonics |
<-40 dBc |
| Spurious |
<-75 dBc |
| Output coupling |
DC, 50 Ω ±2 % |
| User load |
50 Ω |
| Reverse protection |
±5 VDC |
| Front-Panel N-Type Output |
| Frequency range |
| SG382 |
950 kHz to 2.025 GHz |
| SG384 |
950 kHz to 4.05 GHz |
| SG386 |
950 kHz to 6.075 GHz |
| Power output |
| SG382 |
+16.5 dBm to -110 dBm |
| SG384 |
+16.5 dBm to -110 dBm (<3 GHz) |
| SG386 |
+16.5 dBm to -110 dBm (<4 GHz) |
| Voltage output |
| SG382 |
1.5 Vrms to 0.7 µVrms |
| SG384 |
1.5 Vrms to 0.7 µVrms (<3 GHz) |
| SG386 |
1.5 Vrms to 0.7 µVrms (<4 GHz) |
| Power resolution |
0.01 dBm |
| Power accuracy |
±1 dB (±2 dB above 4 GHz and above +5 dBm or below -100 dBm) |
| Output coupling |
AC, 50 Ω |
| User load |
50 Ω |
| VSWR |
<1.6 |
| Reverse protection |
30 VDC, +25 dBm RF |
| Spectral Purity of the RF Output Referenced to 1 GHz* |
| Sub harmonics |
none (No doubler used below 4 GHz) |
| Harmonics |
<-25 dBc (<+7 dBm on N-type output) |
| Spurious |
| <10 kHz offset |
<-65 dBc |
| >10 kHz offset |
<-75 dBc |
| Phase noise (typ.) |
| 10 Hz offset |
-80 dBc/Hz |
| 1 kHz offset |
-102 dBc/Hz |
| 20 kHz offset |
-116 dBc/Hz (SG382 & SG384), -114 dBc/Hz (SG386) |
| 1 MHz offset |
-130 dBc/Hz (SG382 & SG384), -124 dBc/Hz (SG386) |
| Residual FM (typ.) |
1 Hz rms (300 Hz to 3 kHz bandwidth) |
| Residual AM (typ.) |
0.006 % rms (300 Hz to 3 kHz bandwidth) |
| * Spurs, phase noise and residual FM scale by 6 dB/octave to other carrier frequencies |