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User Manual 3153
Specifications A-7
Channel 1 to Channel 2 or 3
±10ns maximum
Channel 2 to Channel 3
±5ns maximum
Sample Clock Synthesizer
Internal Synthesizer
Channel 1 Range
10Hz to 100MHz
Channel 2, 3 Range
10Hz to 50MHz
Resolution
9 digits
Accuracy
Same as reference
Stability
Same as reference
External Synthesizer
Description
Can be enabled for channels 1-3 using the SCLK 1/2/3 input
and for channels 2-3 only using the SCLK 2/3 input.
Level
> 0dBm, sine wave
Synthesizer Reference Source
Standard (internal)
>0.01% (100ppm) initial tolerance over a 19
°
C to 29
°
C
temperature range; 100ppm/
°
C below 19
°
C and above
29
°
C; 100ppm/year aging rate (VXIbus CLK10)
External
Connector Front Panel BNC, 10MHz Input Impedance
50
Ω
nominal, AC coupled
Level
> 0dBm, sine wave
Sine Wave Performance
Description
Sine wave performance is measured using the maximum
sample clock rate and the maximum amplitude resolution of
the DAC. The output level is 10Vpk-pk.
The Spectrum Analyzer Setting: Start Frequency=0MHz; Stop
Frequency = 1GHz.
Sine wave Total Harmonic Distortion
0.3%, measured with maximum vertical resolution and
horizontal sampling rate.
Channel 1 High Level Output
Harmonics and non-related spurious
< -55dBc for carrier frequencies < 1MHz
< -40dBc for carrier frequencies < 5 MHz
< -35dBc for carrier frequencies <10 MHz
In-band spurious and non-harmonic at 40MHz (measured with sample clock = 100MHz, 400-cycle
sine waveforms in 1000 point segment).
< -22dBc for amplitude
≤
5Vp-p
< -8dBc for amplitude
≤
10Vp-p
Two Tone inter-modulation
< -35dBc for 23.1MHz & 24.1MHz,
≤
5Vp-p
< -25dBc for 23.1MHz & 24.1MHz,
≤
10Vp-p
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