1. WP02 PRR: Master Oscillator and RF Reference Distribution
Generation of 1.3 GHz signal
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2. MO Block Diagram August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

3. Generation Channel – block diagram
Primary reference
10 MHz signal generation
100 MHz synthesizer
Frequency multiplication by 10
Phase noise improvement
1.3 GHz synthesizer
Frequency multiplication by 13
High output power
Control of the output phase
Phase noise floor improvement
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

4. GPS Disciplined Oscillator (GPSDO)
Ordered from external company
off-the-shelf device
Equipped with rubidium oscillator
Most important parameters:
Long term stability: ADEV <5x10-11
Low phase noise
1st unit ordered (delivery this week)
Remaining 2 units ordered after validation
One antenna (per unit) on the roof
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

5. Ultra low phase noise integrated jitter: 52 fs (1Hz – 100kHz)
100 MHz Synthesizer
Ultra low phase noise integrated jitter: 52 fs (1Hz – 100kHz)
The device will be produced in DESY
Consists of:
PLL – to be ordered from external company
OCXO – available at DESY
TMCB (for diagnostics) – ordered
FRED (fuse board) – ordered
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

6. Frequency multiplier - ordered PLL – under design at DESY
1.3 GHz synthesizer
Frequency multiplier - ordered
PLL – under design at DESY
DRO – available at DESY
HPA – commercially available
VM – available at DESY
Supporting modules: FRED, TMCB
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

7. Ordered already for RF stations: compatible specifications
Power Supply Module
Ordered already for RF stations:
compatible specifications
no separate R&D required
dedicated order to be launched.
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT

8. Thank you for your attention!
Future plans
Evaluate delivered components
Finish the design for the 1.3 GHz PLL
Finalize the 100 MHz PLL order
Decide and order HPA
Complete mechanical and electrical assembly
Adapt DOOCS diagnostics for XFEL MO
1 GC ready by the end of this year
Thank you for your attention!
August 26th 2014, DESY
Lukasz Zembala, MSK, DESY / ISE, WUT