RF Sources Ralph Pasquinelli PXIE Program Review January 16-17, - - PowerPoint PPT Presentation

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RF Sources Ralph Pasquinelli PXIE Program Review January 16-17, 2013 Outline List of RF systems for PXIE Basic Block Diagram RFQ 162.5 MHz, 2 Bruker 75 kW solid-state Coupler test stand 162.5 MHz, 10 kW Thomson solid-state amp

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RF Sources

Ralph Pasquinelli PXIE Program Review January 16-17, 2013

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Outline

List of RF systems for PXIE
Basic Block Diagram
RFQ 162.5 MHz, 2 Bruker 75 kW solid-state
Coupler test stand 162.5 MHz, 10 kW Thomson solid-state amp
Coupler test stand 325 MHz, 10 kW Bruker solid-state amp
Separator cavity at 243.75 MHz
325 MHz RF R&D at BARC, India
Milestones

PXIE Review, Ralph Pasquinelli 2

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PXIE RF Power Sources

RFQ:

2 75 kWatt solid-state 162.5 MHz

Bunchers:

3 4 kWatt solid-state 162.5 MHz

HWR:

8 4 kWatt solid-state 162.5 MHz

SSR1:

8 4 kWatt solid-state 325 MHz

Separator cavity:

1 4 kWatt solid-state 243.75 MHz

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Total of 22 Power Amplifiers PXIE Beam Current 1 mA

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Basic RF Block Diagram

LLRF

AMP Cavity

Protection

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Solid-state 75 kW RFQ amplifier Front view Rear view RFQ Amplifier

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Front view Rear view RFQ Amplifier Each RF unit Delivers approx 7 kW RF modules and Power supplies Are water cooled For enhanced reliability

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Thomson 10 kW Solid-state amp for testing HWR couplers at Argonne Refurbished 162.5 MHz VHF TV transmitter

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Solid-State Amps 10 kW 325 MHz coupler test stand solid-state amplifier

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325 MHz 10 kW Solid-state amp for coupler test stand @ MDB

Solid-State Amps

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Separator Cavity Utilizes a 243.75 MHz (1.5 x RFQ frequency) 4 kWatt Solid-state amplifier Driving a transverse deflecting cavity for Measuring extinction ratio of adjacent buckets Created by the fast MEBT bunch by bunch chopper.

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PXIE RF Distribution @CMTF

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RFSS / IADD / Physics Group / BARC/India

Four ¡RF ¡amplifier ¡modules ¡have ¡been ¡tested ¡up ¡to ¡900 ¡Wa8 ¡(max). ¡Then, ¡ ¡they ¡ are ¡operated ¡at ¡750 ¡W ¡and ¡800 ¡W, ¡combined ¡to ¡get ¡3 ¡kW ¡and ¡3.2 ¡kW ¡respecHvely. ¡

Sep05, 2012

Combined Output power (W) Efficiency (DC/RF) % Gain (dB) comments 1 3000 69.76 21.5 Short term testing 2 3200 71.27 21.5 Short term testing

325 MHz @ BARC, Mumbai India

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Milestones

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