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Active Hydrogen Frequency Standard

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VCH-1005 Hydrogen Frequency and Time Standard provides the highest frequency stable 5 MHz, 100 MHz and 1 Hz (time scale) output signals with the following characteristics:
Frequency accuracy (factory calibration)
±5x10-13
Frequency corrector:
resolution
range
1x10-14
1x10-10
Frequency stability (Allan variance at 25C°,
environ-mental effects are excluded)
1 s
10 s
100 s
1000 s
1 day
< 3x10-13
< 3x10-14
< 8x10-15
< 3x10-15
< 3x10-15
Phase noise (dB/Hz)
(at the 5 MHz output):
10 Hz
100 Hz
1000 Hz
< -125
< -140
< -150
Magnetic sensitiveness, (1/Oersted)
< 2x10-14
Frequency temperature coefficient, (1/°C)
< 1x10-14
Operating temperature range, (°C)
+5 to +40
Power consumption: 220 V 50 Hz AC (VA)
250
Output signal frequency (MHz): 5, 100
Voltage (rms.) at 50 Ohm load (V): 1± 0.2
Time scale - 1 Hz pulse, pulse width 20 ± 10 µs, rise time < 10ns, positive polarity TTL level at 50 Ohm load.
Manual synchronization to external 1 pps TTL signal with 50 ns accuracy.
Full data monitoring and functions control (local or remote through any network) performs by personal computer (not includes in delivery set).
Application software running under Microsoft Windows' 9x, 2000, XP, is applied.
Expecting lifetime - 10 years.

Active Hydrogen Frequency Standard

Active Hydrogen Frequency Standard

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Yes! I am interested
FOB Price : Get Price

VCH-1003A Hydrogen Frequency and Time Standard provides the highest frequency stable output signals with the following characteristics:
- Frequency (MHz) – 5; 100.
- Voltage at 50 Ohm load (Vrms) – 1 ± 0.2.
- 1 PPS pulse, pulse width 20 ± 10 µs, rise time <10 ns, positive polarity, TTL level at 50 Ohm load. Synchronization to external 1 PPS TTL signal with 50 ns accuracy.
Frequency accuracy (factory calibration)
±5x10-13
Frequency corrector:
resolution
range
1x10-14
1x10-10
Frequency instability (Allan variance) not more:
1 s
10 s
100 s
3600 s
1 day

<2x10-13
<2x10-14
<7x10-15
<2x10-15
<2x10-15
Phase noise (dB/Hz)
(at the 5 MHz output):
10 Hz
100 Hz
1000 Hz

-130
-140
-150
Magnetic sensitiveness, (1/Oersted)
<1x10-14
Frequency temperature coefficient, (1/°C)
<5x10-15
Operating temperature range, (°C)
+5 to +35
Power consumption:
220 V 50 Hz AC (VA)
150
Dimensions (mm)
Weight (kg)
550x990x550
85
Full data monitoring and functions control (local or remote through any network) are performed by personal computer (not included in delivery set).
Application software running under Microsoft Windows is applied.
Anticipated life time - 10 years.

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