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Revision 1.0 (05/2022)

Certification

Stanford Research Systems certifies that this product met its published specifications at

the time of shipment.

Warranty

This Stanford Research Systems product is warranted against defects in materials and

workmanship for a period of one (1) year from the date of shipment.

Service

For warranty service or repair, this product must be returned to a Stanford Research

Systems authorized service facility. Contact Stanford Research Systems or an authorized

representative before returning this product for repair.

Information in this document is subject to change without notice.

Stanford Research Systems, Inc.

1290-C Reamwood Avenue

Sunnyvale, California 94089

Phone: (408) 744-9040

•

Fax: (408) 744-9049

www.thinkSRS.com • e-mail:

[email protected]

Printed in U.S.A.

Содержание SR446

Страница 1: ...SR446 DC to 400 MHz PROGRAMMABLE GAIN PREAMPLIFIER 1290 D Reamwood Avenue Sunnyvale California 94089 Phone 408 744 9040 Fax 408 744 9049 email info thinkSRS com www thinkSRS com Copyright 2022 by SRS...

Страница 2: ...warranty service or repair this product must be returned to a Stanford Research Systems authorized service facility Contact Stanford Research Systems or an authorized representative before returning...

Страница 3: ...Page 3 of 15...

Страница 4: ...Page 4 of 15 SR446 Front Panel SR446 Rear Panel...

Страница 5: ...ndby indicator shows that live AC main is connected and ready to power up the unit Operation The input impedance can be switched between 50 or 500 The 500 setting provides high transimpedance gain for...

Страница 6: ...fall time 1 ns Propagation delay 4 5 ns Gain drift Gain 1 Gain 100 0 07 0 1 C C Outputs driving 50 load Source impedance 49 50 51 Offset 1 1 mV Offset drift Gain 1 Gain 100 0 4 0 8 mV C mV C Linear op...

Страница 7: ...de Input impedance 50 Full bandwidth input signal 130mVpk pk sinusoidal wave 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 0 01 0 10 1 00 10 00 100 00 1 000 00 Gain dB Freque...

Страница 8: ...s Commands are listed in the remote interface section below For accurate calibration power on the SR446 and wait for least 20 minutes to ensure it is warm up AC gain calibration compare output signal...

Страница 9: ...meters Reset the instrument o Press Save Recall button o Press Recall Default on the screen o Press Confirm REFERENCE Amplitude 200 mV Frequency 1 0 MHz Phase 0 DC LEVEL 0 V Mode Common Source Interna...

Страница 10: ...Page 10 of 15 SR446 settings Input impedance 50 Input couple DC Gain 1 V V or 0 dB Bandwidth Full Trim pot locations R412 is on the left R512 is on the right...

Страница 11: ...Auto button LED next to the OFFSET should be energized o Verify that R value is less than 0 1 mV 4 Measure and adjust Out gain o Connect the SR865A SINE OUT to the input of SR446 o Connect the SR446 O...

Страница 12: ...Page 12 of 15 Power Supplies The unit operates from a universal input power supply The power supply can operate from AC mains with 85 264 VAC and 47 63 Hz Typical power consumption is 5 W...

Страница 13: ...Remote command list Only the host can initiate a command The SR446 can only send response to a query and it does not echo back the command sent The system will clear some error flags after respond to...

Страница 14: ...V V or Gain 2 n dB GAIN n Query voltage gain n gain index from 0 to 20 See above BNDW n None Select bandwidth index n 0 Full 1 200 MHz 2 100 MHz 3 20 MHz BNDW n Query bandwidth n 0 Full 1 200 MHz 2 10...

Страница 15: ...or BIT4 Analog board communication error BIT5 EEPROM error BIT6 Factory calibration in the EEPROM is invalid BIT7 Last calibration data in the EEPROM is invalid BIT8 Not able to set parameter BIT9 Not...

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