  
Precision Test Systems
manufacturer and supplies many different types of rubidium oscillators.
Rubidium oscillators are typically 30 - 100 times more stable than the best
crystal oscillators but often don¡¯t cost much more. Outputs can be Sinewave,
Squarewave (TTL, ECL, CMOS levels). Different frequencies like 1 pps or any
frequency to 100 MHz.
Applications
- UMTS and CDMA Base Stations
- Satellite, Communication and Navigation
Systems
- General Workshop frequency standard
- Replacement for expensive low ageing crystal
oscillators
Options
Precision Test Systems will
gladly design bespoke rubidium oscillators and rubidium frequency standards.
Some options that with have been asked for include:
- External locking input, Either 1 pps, 5 MHz or 10 MHz
with automatic switchover
- Redundant rubidium systems
- Low voltage types.
- Small size
- Different frequency output, e.g. 5 MHz, 2.048 MHz, 13 MHz, 15 MHz,
150 MHz.
- Vibration insensitive cases
Click here for a brochure on our rubidium
oscillators
Rubidium Frequency
Standards
Precision Test has many
models of rubidium frequency standards including:
RFS10C Rubidium Frequency Standard The RFS10C is a 10 MHz rubidium frequency reference
which offers excellent performance for virtually any frequency or timing
application. It is ideal for instrumentation and communication systems which
require a precise frequency reference. The RFS10C is supplied in a 19¡± rack
mount case and is powered from a 100-240 VAC power supply.
RFS10E Rubidium Frequency
Standard The RFS10E is a 1U low profile rubidium frequency
standard. The RFS10E has a 10 MHz output and can also have an optional
distribution amplifier giving up to ten outputs.
RFS10F and RFS10G Rubidium
Frequency Standards The RFS10F and RFS10G are rubidium frequency standards
with ultra low phase noise. The RFS10F has a 10 MHz output and can also have an
optional second frequency output such as 10.23 MHz (other frequencies
available). The RFS10G is a ultra low phase noise 10 MHz rubidium oscillator.
Phase noise is -110 dBc/Hz at 1 Hz and drift is 5 x 10E-11 / month. Both units
are housed in a 2U 19" rack mount case and are powered from 100 - 240 VAC
supplies.
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