Bergoz MX-BPM User Manual

Multiplexed beam position monitor
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Bergoz Instrumentation
Espace Allondon Ouest
01630 Saint Genis Pouilly, France
Tel.: +33-450.426.642
Fax: +33-450.426.643
Visit our web site at
http://www.bergoz.com
Japan:
REPIC Corporation
28-3, Kita Otsuka 1-Chome
Toshima-ku, Tokyo 170-0004
Tel.: 03 - 3918 - 5326
Fax: 03 - 3918 - 5712
sales@repic.co.jp
BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643
email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich
TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B
Multiplexed
Beam Position Monitor
User's Manual
bergoz
Instrumentation
U.S.A.:
GMW Associates
955 Industrial Road
San Carlos, CA 94070
Tel.: (650) 802-8292
Fax: (650) 802-8298
sales@gmw.com
Rev. 1.5.4

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  • Page 1 BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 3: Table Of Contents

    New Generation Electronics Applied to Beam Position Monitors, Klaus B. Unser 1996 Beam Instrumentation Workshop, Argonne National Laboratory. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 4: Initial Inspection

    In exercising this warranty, Bergoz Instrumentation will repair, or at its option, replace any product returned to Bergoz Instrumentation or its local distributor within the warranty period, provided that the warrantor's examination discloses that the product is defective due to workmanship or materials and that the defect has not been caused by misuse, neglect, accident or abnormal conditions or operations.
  • Page 5: You Just Received A Bpm Position Monitor

    AC mains Place all DIP switches to the left: OFF BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 6 300 mV of demodulated signal amplitude difference BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 7 Observe the noise spectrum with an FFT or baseband spectrum analyser, at various signal levels. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 8: On-Board Attenuators Adjustment

    On-board attenuators access holes BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 9: Beam Position Monitor Board

    “Connector Pins Allocation”, this manual). SYNC frequency is 1/4 of sampling frequency. The internal clock can be overridden by an external clock. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 10: External Clock

    45° buttons Orthogonal buttons BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 11: Principle Of Operation

    BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 12: Performance

    –50 dBm input 10 µVrms /√Hz BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 13: Position (Linearity) Error

    Position error (linearity) vs. input signal strength LabVIEW data acquisition virtual instrument using NB-MIO-16XH sampler, by Karen Scott BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 14: Drift

    Max. = 25.3°C 1 mV / div. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 15: Close Orbit Operating Mode

    SYNC Synchronization pulse. TTL output. Positive-going. For oscilloscope trigger. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 16: First Turn Capability

    But don’t pull down too early, or SBS will measure peak ambiant noise ! BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 17 DIN41612 rear connector (pin c19). On the BPM chassis ref. BPM-RFC/xx, it is available from the DB15 connector (pin 2). BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 18: Single Bunch / Single Beam Operation

    20%. These variations are purely statistical and can be eliminated by averaging a series of readings. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 19 BPM module. It provides the RF signals BUTA, BUTB, BUTC, BUTD and the delayed GATE signal. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 20: And Y Gain Adjustment

    The gain potentiometers are accessible via holes bored through the Single Button Sampling (option) piggy-back board. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 21 X gain: R168 || R141 Y gain: R169 || R151 BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 22: Local Oscillator Programming

    New Generation Electronics Applied to Beam Position Monitors, K.B. Unser, page 4, Tbp.: proceedings of the 1996 Beam Instrumentation Workshop, Argonne. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 23 On request, the BPM manufacturer will send the solder bridges layout for a given LO frequency. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 24: Signals

    Reset pulse must terminate at least 1 ms before the bunch to be measured. Default value: high BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 25 Output impedance: 1kΩ Driving capability: 1 mA BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 26 Voltage range: >0...<+10V. Active only when optional signal AGCD* (AGC disable) is pulled down. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 27: Cables Layout, Installation

    ±0.01 dB up to 1 GHz BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 28: Operating Considerations

    Sampling”, page 7, this manual). For a wider range, the on-board clock can be overridden by an external clock signal (see “External Clock”, page 8, this manual). BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 29 Jim Hinkson, private communication, June 1995 BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 30: Connectors Pins Allocation

    ...c14 *Active low BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 31: Accessories

    The adjustments above cannot be made when the BPM processing unit is in the chassis. They require a BPM-KIT or a card extender BPM-XTD. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 32: Card Extender

    Very useful, because the RF cables at the rear of the chassis are too crowded to be disconnected. BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 33: Chassis

    DB15 female BPM station output connector, one per BPM station IEC male connector for AC mains BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich...
  • Page 34: Specifications

    Model 75 SX 15-15 BERGOZ Instrumentation - 01630 Saint Genis Pouilly, France - Tel.: +33-450.426.642 - Fax: +33-450.426.643 email: bergoz@bergoz.com - http://www.bergoz.com - Registre des Métiers: Bourg-en-Bresse - Registre des ingénieurs: Zurich TVA-VAT-IVA-USt. Nº FR88414997130 - Sàrl. capital 152K - Siren 414 997 130 R.C.S. Bourg - APE 332B...
  • Page 35: Bpm Module Rear Connector

    BPM MODULE REAR CONNECTOR DIN41612M 24+8 Note: For connections, See Connector Pins Allocation, this manual. BPM chassis for 1 up to 16 BPM modules are part of Bergoz Instrumentation sales program (BPM- RFC/X) and include the necessary mating connectors (See BPM chassis, this manual).
  • Page 36: Schematics & Board Layout

    Please send me one copy of the corresponding schematics and board layout. I will use it for the instrument’s maintenance only. I will make copies only for my own use. I will inform others who need these schematics that they should request them from Bergoz Instrumentation. Signed: xxxxxxx ACKNOWLEDGEMENT Many of the important –even fundamental–...
  • Page 37 Annex I RF Connectors from Siemens Excerpt from Siemens Plug connectors data book 1992 Other references: Siemens RF connector data book, part number A23001-G22-D004-X-7400 Siemens Connector DIN41612 data book, part number A23001-G21-D012-X-7400.
  • Page 38 RF Connectors from Siemens (Cont’d) Excerpt from Siemens Plug connectors data book 1992 Other references: Siemens RF connector data book, part number A23001-G22-D004-X-7400 Siemens Connector DIN41612 data book, part number A23001-G21-D012-X-7400.
  • Page 39: Annex Ii

    Annex II...
  • Page 42 New Generation Electronics Applied to Beam Position Monitors Klaus B. Unser BERGOZ Precision Beam Instrumentation F-01170 Crozet, FRANCE Abstract: Cellular telephones and GPS (Global Positioning System) satellite receivers are examples of modern rf engineering. Taking some inspiration from those designs, a precision signal processor module for beam position monitors was developed.
  • Page 44 application was transverse feedback and beam interlock systems near insertion devices in the ALS (Advanced Synchrotron Light Source at the Lawrence Berkeley National Laboratory). Our BPM signal processor uses the same basic concept and architecture, but its centre frequency is programmable anywhere between 100 MHz and 1 GHz. It tracks input signals over a limited frequency range (±200 kHz, extension possible up to ±1 MHz).
  • Page 45 analog circuits. They use the following algorithms for a typical position pick-up (with the 4 electrodes rotated at 45˚ in respect of the vertical axis) The calibration constants Kx and Ky of the beam position pick-up are an approximation and apply only to the centre of the vacuum chamber. The basic operating principle, as described above, has been used for the first time at the NSLS storage ring (3).
  • Page 46 The requirements above are very different from the usual specifications of telecommunication equipment. It was therefore necessary to build a special amplifier with discrete transistors to cover the 100 MHz to 1 GHz frequency range and reach an acceptable compromise between conflicting demands. Local oscillator and frequency converter An active mixer is used as down converter to the 21.4 MHz intermediate frequency (if).
  • Page 47 Synchronous detection of the if signal requires a reference frequency. This reference is generated by a voltage controlled oscillator (VCO). A phase detector compares the reference with a filtered sample of the carrier frequency and controls the VCO in a phase locked loop (PLL).
  • Page 48 • All other input and output connections have low pass filters to keep the interference outside and limit the frequency response to what is absolutely necessary. • All control inputs have 10-ms LP-filter time constants. • Each circuit function on the board is specifically designed to be insensitive to frequencies outside its normal operating range.
  • Page 49 generator (Marconi Instruments 2022D) as a signal source. A precision 4-way power splitter and 4 specially designed precision attenuators with remote switching control prepare the 4 input signals. A Macintosh computer with a 16-bit ADC, multiplexer and control interface (National instruments NB-MIO-16X) runs a specially developed LabVIEW application program (6).

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