GW Instek USG-Series User Manual - Manual (Page 44)

USG Series User Manual
42
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PPENDIX
USG Specifications
The specifications apply when the USG is powered on for at least
30 minutes to warm-up to a temperature of 20˚C to 30˚C, unless
specified otherwise.
USG-LF44
Frequency Range 34.5 MHz to 4.4 GHz
Output Power -30 dBm to 0 dBm in 1 dB steps
Internal Reference 25 MHz aging ±1 ppm at first year
Frequency Accuracy ± 100 Hz at 100 MHz, 0 dBm Output
Resolution 10 kHz
Output Control On / Off
On / Off Isolation ≤ -75 dBc
Mode Control Fixed Frequency / Single Sweep / CW Sweep / Hopping
Step Dwell ≤ 1000 ms in 1* ms steps
Frequency Offset -50 kHz to 50 kHz in 10 kHz steps
Amplitude Absolute
Accuracy 0 dBm ± 1 dB typical at 2200MHz, 0 dBm Output
Output Flatness ± 3.5 dB, ref. to
2200MHz at 0 dBm Output
Phase noise < -97 dBc/Hz 10 kHz offset @ 1.0 GHz, typical
-100 dBc/Hz
< -107 dBc/Hz 100 kHz offset @ 1.0 GHz,
typical -110dBc/Hz
2nd Harmonics 0 dB Attenuation
≤ -15 dBc, typical 34.5 MHz to 2.0 GHz,
fundamental
≤ -10 dBc, typical 2.0 GHz to 3.0 GHz,
fundamental
≤ -25 dBc, typical 3.0 GHz to 4.4 GHz,
fundamental