STEVAL-IMR002V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-IMR002V1 Datasheet

STEVAL-IMR002V1

Manufacturer Part Number

STEVAL-IMR002V1

Description

2 kW/100 V RF demonstration board for 3 T MRI based on the STAC4932B

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.STEVAL-IMR002V1.pdf (4 pages)

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Features

■

Description

The STEVAL-IMR002V1 demonstration board is

based on the new generation of high voltage

DMOS products housed in the STAC

package and capable of delivering an output

power up to 1.2 kW for industrial, scientific, and

medical applications such as 1.5 T and 3 T

magnetic resonance imaging (MRI).

This new air-cavity technology now enables lower

thermal resistance, lower weight, and reduced

cost compared to devices in ceramic packages.

The STEVAL-IMR002V1 demonstration board

implements the design of a 2 kW-100 V, 123 MHz

Class AB peak power amplifier (PPA) for 3 Tesla

MRI applications.

It uses double push-pull bolt-down devices, two

STAC4932B - N-channel MOSFETs, capable of

exceeding 2000 W @ 123 MHz with large signal

gain of 19 dB in Class AB and a drain efficiency of

60%.

It almost doubles the output power of previous

amplifiers using MOSFET transistors in standard

ceramic packages.

December 2011

For further information contact your local STMicroelectronics sales office.

Output power: 2 kW

Supply voltage: 100 V

Frequency: 123 MHz

Power gain: 19 dB

Efficiency: 60%

RoHS compliant

2 kW/100 V RF demonstration board for 3 T MRI

air cavity

Doc ID 022609 Rev 1

STEVAL-IMR002V1

based on the STAC4932B

www.st.com

Data brief

1/4

Related parts for STEVAL-IMR002V1

STEVAL-IMR002V1 Summary of contents

Page 1

... Power gain ■ Efficiency: 60% ■ RoHS compliant Description The STEVAL-IMR002V1 demonstration board is based on the new generation of high voltage DMOS products housed in the STAC package and capable of delivering an output power up to 1.2 kW for industrial, scientific, and medical applications such as 1.5 T and 3 T magnetic resonance imaging (MRI). ...

Page 2

... Schematic circuit 1 Schematic circuit Figure 1. Schematic diagram 2/4 Doc ID 022609 Rev 1 STEVAL-IMR002V1 ...

Page 3

... STEVAL-IMR002V1 2 Revision history Table 1. Document revision history Date 20-Dec-2011 Revision 1 Initial release. Doc ID 022609 Rev 1 Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 022609 Rev 1 STEVAL-IMR002V1 ...

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