Frequency Range: 1Hz to 1024MHz Resolution: 1Hz Settling time: < 10ms (if same range) < 60ms (range to range) Standard 10Mhz Stability (10 to 40°C): £ ± 0.5ppm Aging: £ ± 1ppm/year Option OCXO 10Mhz Stability (10 to 40°C): £ ± 5 10-8 Aging: £ ± 5 10-9/day Output reference internal: (BNC jack on back panel) Output voltage: TTL Input reference external: (BNC jack on back panel) Input frequency: 10MHz ±5ppm Input level: > 0dBm Spectral purity without modulation, level < + 10dBm Harmonic: 1Hz to 1024MHz £ -30dBc Non harmonic: 16MHz to 500MHz £ -55dBc ( > 15kHz offset) Residual FM: < 50Hz RMS to 1GHz (0,3-3kHz BW) Residual PM: <0,06rad RMS to 1GHz (0,3-3kHz BW) Residual AM: < 0,1% (50Hz to 10kHz) Phase Noise (dBc/Hz) Harmonic: 1Hz to 1024MHz £ -30dBc Non harmonic: 16MHz to 500MHz £ -55dBc ( > 15kHz offset) Residual FM: < 50Hz RMS to 1GHz (0,3-3kHz BW) Residual PM: <0,06rad RMS to 1GHz (0,3-3kHz BW) Residual AM: < 0,1% (50Hz to 10kHz)   Offset Range 1kHz 10kHz 100kHz <16MHz -82 -100 -121 16 - 256MHz -74 -84 -108 256 - 512MHz -80 -90 -115 512 - 1024MHz -74 -84 -105 Output level Range: -127dBm to +13dBm Resolution: 0,1dB Accuracy: ± 0,5dBm level ³ -57dBm ±(1dBm+0,4dBm/10dB)level < -57dBm Settling time: < 10ms (with modulation) < 60ms (without modulation) Impedance: 50 Ohm V.S.W.R.: <1,5 Modulation Source Modulation source int: 10Hz to 100kHz (40kHz in AM ) Sine 10Hz to 20kHz Sqr, Tri, Rmp+, Rmp- Resolution: 10Hz Input modulation ext: (BNC jack on front panel) Input impedance: 10k Ohm Input voltage: the modulation is calibrated with 2Vpp   Output source (int,ext): (BNC jack on front panel) Output voltage:  £ ± 2V Amplitude Modulation Level:  £ +7dBm Modulation source: internal, external AM-depth: 0 to 100% Resolution: 0,1% Accuracy (internal sine): ±4% of reading ±0,5% of value (AM-depth £ 80% , Fmod £ 1kHz) ±7% of reading ±0,5% of value (AM-depth £ 80% , Fmod > 1kHz) Bandwidth ext (1dB): 10Hz-50kHz,  AC coupled Distortion: <2% (AM-depth £ 60% to 1kHz) <6% (AM-depth £ 80% , level = +7dBm 10Hz to 20kHz) Frequency Modulation Modulation source: internal,  external Deviation: ± 200Hz to ± 150kHz (<16MHz ) ± 2kHz to ± 400kHz ( 16 - 256MHz) ± 1kHz to ± 200kHz ( 256 - 512MHz) ± 2kHz to ± 400kHz ( 512 - 1024MHz) Resolution: 100Hz Accuracy (internal sine): ±2% Fmod £ 1kHz + residual FM; ±5% Fmod > 1kHz + residual FM Bandwidth ext (1dB): DC coupled: DC- 30kHz (100kHz <16MHz) AC coupled: 10Hz- 30kHz (100kHz <16MHz) 30kHz-100kHz Distortion: < 3% for deviations ³ 10kHz Phase Modulation Modulation source: internal, external Deviation: 0 to 3,14rad ( <16MHz ), 0 to 10rad ( 16 - 1024MHz ) Resolution: 0,01rad Accuracy (internal sine): ±5% to 1kHz + residual-PM Bandwidth ext (1dB): DC coupled: DC- 30kHz (100kHz <16MHz) AC coupled: 10Hz- 30kHz (100kHz <16MHz) 30kHz-100kHz Distortion: < 3% for Fmod=1kHz, Deviation=10rad Gate Mode Gate source: external on/off Ratio: ³ 65dB (<16MHz) ³ 80dB (16MHz - 512MHz) ³ 50dB (512MHz -1024MHz) Rise/Fall time: £ 1,5µs (<16MHz ) £ 7,5µs (16MHz -1024MHz ) Delay time: £ 1,5µs (<16MHz ) £ 15µs (16MHz -1024MHz ) Input modulation: (BNC jack on back panel) Input level: TTL: 0 OFF 1 ON or 1 OFF 0 ON General Information Interfaces: optional IEEE-488 (HO88) or RS232 (HO89) IEEE-488 functions: (T6), (L4) SH1, AH1, RL1, DC1, DT0 and R0 (HO80) Set-up memory locations: 10 Dimensions: 285 x 75 x 365 (W x H x D) Weight: approx. 10kg Power consumption: approx. 70VA Operating conditions: +0°C to +40°C Humidity: 10% - 90% no condensation Warm up time: typ. 60min. for the specifications Supply voltages: 115/230V ±10%, 50-60Hz Safety: class I (IEC 1010-1/VDE 0411)