Selling here ROHDE&SCHWARZ SM300 Signal Generator 9kHz-3GHz with sweep CALIBRATED AND TESTED WITHOUT ERRORS

Principle features:

RF frequency 

 Frequency range 9 kHz to 3 GHz 

 Setting resolution 0.1 Hz 

 Setting time for an offset of <1×10–7 <10 ms 

 Reference frequency 10 MHz Aging <2 × 10–6/year 

 Temperature drift 5 °C to 45 °C <1 × 10–6 

Spectral purity 

 Spurious 

    Harmonics level ≤0 dBm, fc > 1 MHz <–30 dBc 

    Subharmonics f C > 1 MHz <–50 dBc 

    Nonharmonics >10 kHz from carrier <–50 dBc 

 Wideband noise fc = 1 GHz, carrier offset >2 MHz <–123 dBc (1 Hz) 

 Single-sideband phase noise fc = 1 GHz, carrier offset 20 kHz <–95 dBc (1 Hz) 

RF level 

 Level range –127 dBm to +13 dBm 

 Setting time to <0.3 dB deviation <200 ms 

 Setting resolution 0.1 dB 

 Level uncertainty f C >100 kHz, level >–120 dBm, 20 °C to 30 °C <1 dB

LF generator 

 Frequency range 20 Hz to 80 kHz 

 Frequency resolution 0.1 Hz 

 Frequency response 20 Hz to 20 kHz <0.2 dB 

 Total harmonic distortion 20 Hz to 20 kHz <0.1%

Modulation 

 Amplitude modulation 

  Operating modes internal, external AC/DC 

  Modulation depth the modulation depth that can be set observing the AM specifications continuously decreases from +7 dBm to +13 dBm 0% to 100% 

  Resolution 0.1% 

  Setting uncertainty fLF = 1 kHz, m <80%, level = 0 dBm <5% of setting + 0.2% 

  AM total harmonic distortion fLF = 1 kHz, m <80%, level = 0 dBm <2% 

  Modulation frequency range DC/20 Hz to 20 kHz 

 Frequency modulation 

  Operating modes internal, external AC/DC 

  Frequency deviation 20 Hz to 100 kHz 

  Resolution <1%, min. 1 Hz 

  Setting uncertainty fLF = 1 kHz <5% of setting + 300 Hz 

  FM total harmonic distortion fLF = 1 kHz, deviation = 50 kHz <1% 

  Carrier frequency deviation external <200 Hz 

  Modulation frequency range DC/20 Hz to 80 kHz 

 Phase modulation 

  Operating modes internal 

  Phase deviation fLF ≤ 10 kHz 0 to 10 rad 10 kHz < fLF ≤ 20 kHz 0 to 5 rad 

  Resolution <1%, min. 0.001 rad 

  Setting uncertainty fLF = 1 kHz <5% of setting + 0.2 rad 

  фM total harmonic distortion fLF = 1 kHz, deviation = 5 rad <1.5% 

  Modulation frequency range 300 Hz to 20 kHz 

 I/Q modulation 

  Operating modes external 

  Modulation frequency range (3 dB) DC to 40 MHz 

  Carrier suppression typ. 40 dBc 

  ACLR WCDMA 3GPP FDD (test model 1, 64 DPCHs) offset 5 MHz offset 10 MHz typ. 54 dB typ. 55 dB   

  Composite EVM WCDMA 3GPP FDD (test model 1, 64 DPCHs) typ. 3.3% 

  Phase uncertainty GSM typ 1.2 ° 

 Pulse modulation/pulse generator 

  Operating modes external, internal 

  ON/OFF ratio >60 dB Rise/fall time (10%/90%) <3 µs 

  Delay time (external) 100 µs to 1 s 

  Pulse width (internal, external) 100 µs to 1 s 

  Pulse period (internal) 200 µs to 2 s 

  Time resolution 1 µs

  Operating modes continuous sweep, single sweep, single step 

  Sweep range LF: 20 Hz to 80 kHz RF: 9 kHz to 3 GHz 

  Step width (log) 0.01% to 100% 

  Step width (lin) LF: 0.1 Hz to 80 kHz RF: 0.1 Hz to 1 GHz 

 Level sweep 

  Operating modes continuous sweep, single sweep, single step 

  Sweep range –127 dBm to +13 dBm 

  Step width 0.1 dB to 20 dB 

  Step time 10 ms to 1 s

 Display 

  Type 5.4” active colour TFT display 

  Resolution 320 × 240 pixels

In good working and cosmetic condition,see pictures