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950H8B 数据表(PDF) 4 Page - Frequency Devices, Inc. |
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950H8B 数据表(HTML) 4 Page - Frequency Devices, Inc. |
4 / 9 page Model 950 Location of Front Panel Terminals and Controls 1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176 e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com 4 100 B A 20 OUT x100 10 0 A-B A GND OFFSET ON TUNEABLE ACTIVE FILTER FREQUENCY INPUT GAIN (dB) + x1 R 200 500 50 20 10 CORNER IN Hz 950 N E G A - Location of Front Panel Terminals and Controls C&D F E B H I FRONT PANEL A. POWER Status Lamp: This red LED indicates whether or not the power to the analog filter circuitry of a Model 950 instrument is on. B. INPUT Switch: This three position toggle configures the instrument for either differential inputs (A-B), a single- ended input (A), or input nulling (GND) which grounds both the (A) and (B) input terminals. C. & D. (A) and (B) Input Terminals: This pair of shielded, female BNC connectors accept signal inputs (A) and (B). The instrument applies a non- inverting gain to input (A) and an equal but opposite inverting gain to input (B) while the GAIN switch sets the magnitude of differential gain to 0, 10, or 20 dB. The BNC shields have been internally connected to the instrument ground. E. GAIN Switch: This three-position toggle switch selects an overall filter gain of 0, 10, or 20dB. F. OFFSET Adjust: This adjustment is intended to zero the offset that results from the instrument’s own circuitry and does not provide for wide range offset to remove dc input signals. G. CORNER FREQUENCY Selector Switch (10-500Hz): This six position rotary switch selects the digit value of the corner frequency. The switch selectable values are 10, 20, 50, 100, 200 and 500, H. MULTIPLIER Selector Switch: This two-position toggle switch multiplies by a factor of either 1 or 100x, the value set on the CORNER FREQUENCY selector switch. I. OUT Terminal: This terminal is a female BNC connector. The shield on the BNC is internally connected to the instrument ground. REAR PANEL J. IDENTIFICATION LABEL: This label identifies the date of manufacture, serial number, filter type and operating power requirements. K. POWER CONNECTION: Denotes power plug location. L. POWER ON/OFF Switch: A two- position toggle switch on the back panel Power Module that interrupts/completes the power circuit. M. Voltage Selector Module: 115V Operation The power module window shows the operating voltage (115V or 230V). At time of shipment, the voltage window will be set to the 115V position. 230V Operation For 230V operation, use a small flathead screwdriver to pry open the fuse module door. Remove the fuse cartridge, fuse clip and single fuse for 115V operation. Install two 5 X 20 mm 250V, 0.1A fuses into the fuse cartridge, rotate and insert fuse cartridge so 230V is visible in fuse module door when closed. A 115v FUSE (250V 0.1A) (250V 0.1A) NOM. FREQ. 60 Hz 50 Hz 230v APR.01 MADE IN U.S.A WARNING: Do not remove covers, no user serviceable parts inside. Contact: Frequency Devices for service, tech@freqdev.com SN: 00105 950L8L SELECT Location of Rear Panel Terminals and Controls J M L G K |
类似零件编号 - 950H8B |
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类似说明 - 950H8B |
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