Rohde_Schwarz_SMG-SMH_Short_Form 电路图.pdf

5 12 Signal Generation211 Specifications in brief Frequency Range SMG100 kHz to 1000 MHz SMH100 kHz to 2000 MHz SMGL9 kHz to 1000 MHz Resolution1 Hz Setting time<15 ms Frequency drift f 31.25 MHz<0.5 x 109 + error of reference Reference frequencystandardOCXO oscillator Aging (after 30 days of operation)2 x 106/year<1 x 109/day Temperature effect2.5 x 106/ 0 to 50C127 dBm (SMG, SMH) 118 dBm (SMGL) 1.5 dB Frequency response at 0 dBm output level1 dB (typ. 0.3 dB) Characteristic impedance50 VSWR<1.5 for level 0 dBm (SMG, SMH) <1.5 for level 16 dBm (SMGL) Setting time<25 ms Non-interrupting level setting0 to 20 dB Overload protection (maximum permissible RF power)50 W Spectral purity Spurious signals Harmonics<30 dBc (SMGL: level 27 dBm) Subharmonics SMG, SMGLnone SMH<40 dBc (f 1 GHz) Residual AM, rms (0.03 to 20 kHz)5 kHz from carriersee line a in table below Residual FM, rms 0.3 to 3 kHz (CCITT)see line b in table below SSB phase noise, carrier offset 20 kHz, 1 Hz bandwidth, typicalsee line c in table below Amplitude modulation ModesINT, EXT AC, EXT DC, two-tone Modulation depth0 to 99% AM distortion at 1 kHz, 0 to 30% AM<1% Modulation frequency AM EXT AC (DC)10 Hz (DC) to 50 kHz AM INT40/150/300/400 Hz 1/3/6/15 kHz 3% AM INT with option SMG-B210 Hz to 100 kHz (SMG, SMH) 10 Hz to 50 kHz (SMGL) Frequency modulation ModesINT, EXT AC, EXT DC, two-tone f <31.2562.512525050010002000 MHz Max. dev. 200501002004008001600 kHz FM distortion at 1 kHz and 50% of maximum deviation<0.5% (typ. 0.1%) Modulation frequency f <31.2562.512525050010002000MHz a <70808080767064dBc b <2111248Hz c139148142136130124118dBc FM EXT AC (DC)10 Hz (DC) to100 kHz FM INT40/150/300/400 Hz/ 1/3/6/15 kHz 3% FM INT with option SMG-B210 Hz to 100 kHz Frequency drift with FM DC, carrier frequency offset when switching on FM DC for fcarrier 31.25 MHz1% of deviation + 1 x 106 x fcarrier Phase modulation ModulationINT, EXT AC, two-tone f <31.2562.512525050010002000MHz Max. dev.20510204080160rad Phase modulation distortion at 1 kHz and 50% of max. deviation70 dB (typ. 80 dB) Rise/fall time (10/90%) fc 200 MHztyp. 20 ns Pulse repetition frequency0 to10 MHz Modulation signalTTL levels AF Synthesizer (option SMG-B2) Frequency10 Hz to 100 kHz Readout3 digits Frequency drift<4 x 105 Level error at 1 kHz<3% (typ. 1%) Distortion<0.1% (typ. 0.03%) Phase-continuous frequency change, response time between setting command and frequency change<10 ms RF sweep, AF sweep (AF sweep with option SMG-B2)digital start-stop sweep in discrete steps Modesautomatic following ramp function, single-shot, manual control via spin- wheel, linear or logarithmic Sweep rangeuser-selectable over entire frequency range Step sizeuser-selectable Time per step10 ms to10 s X output (with option SMG-B3) X output0 to10 V staircase ramp, max. 1000 steps Remote controlIEC625-1 (IEEE488) General data Power supply100/120/220/240 V 10% 47 to 440 Hz Power consumptionmax. 130 VA (SMG, SMH) max. 250 VA (SMGL) Dimensions (W x H x D) SMG, SMH435 mm x 147 mm x 460 mm SMGL435 mm x 147 mm x 570 mm Weight for fully equipped unit17 kg (SMG, SMH), 22 kg (SMGL) Ordering information Signal GeneratorSMG0801.0001.52 SMH0845.4002.52 Power Signal GeneratorSMGL1020.2005.52 Options Reference Oscillator OCXOSMG-B10802.0005.02 AF SynthesizerSMG-B20802.0405.02 X Output SMG-B30801.9609.02 RadioFans.CN 收音机爱 好者资料库