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SPECIFICATION
Frequency Range and Resolution
Model Frequency Frequency
Number Range (GHz) Resolution
2513 0.3 to 13.5 0.5 MHz
2518 0.3 to 18 1 MHz
2520 0.3 to 20 1 MHz
2526 0.3 to 26.5 1 MHz
Switching Speed
<200 ns
Output Power
+10 dBm (50 Ů) nominal
Flatness
±2 dB (±5°C of calibration temperature)
Amplitude setting
Within 2 dB of final level <200 ns
Reference Oscillator
Internal: 100 MHz Quartz Oscillator, 5 x 10-8 per day after 30 days in
normal operating environment
External Tuning Input
±2 VDC, pull range ± 100 Hz per volt nominal at 1 GHz
Frequency and Accuracy Stability
Same as reference oscillator
Remote Programming Control Interfaces
20 bits parallel BCD 1, 2, 4, 8 (1 MHz resolution)
Optional 44 bits parallel BCD 1, 2, 4, 8 (1 Hz resolution)
IEEE-488-1978
Phase Coherence
Frequency steps of 50 MHz from 4.8 to 13.5 GHz
100 MHz steps from 13.5 GHz and 26.5 GHz (Finer steps possible as
a special option - contact factory)
Spectral Purity
Phase Noise
Absolute SSB Phase Noise in dBc/Hz (includes noise of internal reference)
Frequency Carrier Frequency (GHz)
Offset 0.5 1.0 3.0 8.0 18.0
10 Hz -86 -80 -71 -60 -55
100 Hz -105 -85 -99 -90 -84
1 kHz -110 -95 -110 -110 -102
10 kHz -130 -120 -124 -120 -113
100 kHz -140 -132 -128 -122 -115
1 MHz -142 -139 -132 -123 -116
10 MHz -143 -148 -140 -136 -130
100 MHz -143 -150 -150 -138 -132
Spurious and Harmonic Signals
Frequency Spurious Sub-Harmonics Harmonics
Range (GHz) (dBc) (dBc) (dBc)
0.3 - 2.4 -80 None -50
2.4 - 4.8 -76 None -50
4.8 - 13.5 -70 None -50
13.5 - 20 -64 -60 -50
20 - 26.5 -64 -50 -50
Operating Temperature
0°C to 50°C
Storage temperature
-20°C to 85°C
Power Requirements
18:120/220/240 VAC ±10%, 48 to 440 Hz, 320 W, 380 VA
Dimensions
16.75” W x 5.22” H x 23.88” D
(42.55 x 13.66 x 60.66)
Weight
55 lbs (24.9 kg)
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