Description:

The University of St Andrews seeks to procure various Q-band pulse EPR spectrometry equipment, including spectrometers, resonators, microwave amplifiers, and data acquisition systems, with specific capabilities and compatibility requirements.

School of Chemistry: Electron Paramagnetic Resonance Spectroscopy.
Lot 1: Q-band pulse EPR spectrometer
Lot 2: Q-band pulse EPR resonator with high concentration sensitivity
Lot 3: Q-band pulse EPR resonator with high absolute sensitivity
Lot 4: Q-band pulse microwave amplifier
Lot 5: Radiofrequency amplifier
Q-Band Pulse EPR Spectrometer
Q-Band Pulse EPR Spectrometer
- An existing Bruker E580 X-band (~9.5 GHz) pulse EPR spectrometer operating with a Bruker ER 073 electromagnet, and a Cryogenics Cryogen Free Variable Temperature Cryostat is to be replaced, extended or upgraded to Q-band (~34 GHz).
- The current 3.6 kW magnet power supply will need to be exchanged with a 12 kW power supply (Bruker ER 83 CS) available in the laboratory.
- The current capability of generating arbitrary waveforms is to be retained.
-The current capability of ENDOR (electron nuclear double resonance) is to be retained.
- A data acquisition workstation and software licence are to be provided (Bruker Xepr license could be exchanged).
-Pulse programming allowing standard experiments and usual phase cycles (4-pulse DEER, 5-pulse RIDME, 6 Pulse DQC, 2 and 3-pulse ESEEM, HYSCORE, Mims- and Davies-ENDOR etc.). Additional information: All tenders for the University of St Andrews are administered through our eTendering System (InTend).To Express an Interest please go to our tender website at https://intendhost.co.uk/universityofstandrews
Please note that 'Notes of Interest' placed via PCS (Public Contracts Scotland) are not automatically accepted
Q-Band Pulse EPR Resonator with High Concentration Sensitivity
- Q-band resonator with large sample access for high concentration sensitivity.
- Operating temperatures from 1.8 K to 300 K.
- Compatible with Cryogenics Cryogen Free Variable Temperature Cryostat.
- Connected via WR-28 waveguides.
- Cold sample loading system. Additional information: All tenders for the University of St Andrews are administered through our eTendering System (InTend).To Express an Interest please go to our tender website at https://intendhost.co.uk/universityofstandrews
Please note that 'Notes of Interest' placed via PCS (Public Contracts Scotland) are not automatically accepted
Q-Band Pulse EPR Resonator with High Absolute Sensitivity
- Q-band resonator with small sample access for high absolute sensitivity.
- Operating temperatures from 1.8 K to 300 K.
- Compatible with Cryogenics Cryogen Free Variable Temperature Cryostat.
- Connected via WR-28 waveguides.
- Cold sample loading system.
- Typical B1 conversion factor at low Q.
- Sample access size: diameter and active length.
- Bandwidth at low Q.
- Optical access.
- Short ring down time with low Q and high-power pulses. Additional information: All tenders for the University of St Andrews are administered through our eTendering System (InTend).To Express an Interest please go to our tender website at https://intendhost.co.uk/universityofstandrews
Please note that 'Notes of Interest' placed via PCS (Public Contracts Scotland) are not automatically accepted
Q-Band Pulse Microwave Amplifier
- Q-band microwave amplifier for pulse operation.
- At least 40 W peak power (46 dB gain from 1 dBm).
- Frequency of operation.
- Peak power.
- Typical gain.
- Input and output connectors.
- Pulse rise and fall times.
- Maximum gate length and duty cycle.
- Enclosure and power supply.
- WR-28 output connection.
- 100 W or more output peak power.
- noise blanking. Additional information: All tenders for the University of St Andrews are administered through our eTendering System (InTend).To Express an Interest please go to our tender website at https://intendhost.co.uk/universityofstandrews
Please note that 'Notes of Interest' placed via PCS (Public Contracts Scotland) are not automatically accepted
Radiofrequency Amplifier
- 10 kHz – 100 MHz output.
- Peak power.
- Gain.
- Duty cycle.
- Input and output connectors.
- Enclosure and power supply.
- 150 W or more output peak power. Additional information: All tenders for the University of St Andrews are administered through our eTendering System (InTend).To Express an Interest please go to our tender website at https://intendhost.co.uk/universityofstandrews
Please note that 'Notes of Interest' placed via PCS (Public Contracts Scotland) are not automatically accepted

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The Buyer:

University of St Andrews

Additional information:

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CPV Code(s):

32343000 - Amplifiers

32343100 - Audio-frequency amplifiers

38400000 - Instruments for checking physical characteristics

38433000 - Spectrometers