KEI 7712 Instruction 电路图.pdf

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1、 1.888.KEITHLEY(U.S. only) AG R E A T E R M E A S U R E O F C O N F I D E N C E Use with Integra Series mainframes: 2700, 2701, 2750 DIGITAL MULTIMETERS EN61326-1. ISOLATION: Multiplexer to Multiplexer: 1G. Center to Shield: 1G, 100M. CONTACT LIFE: 5106no load, 1105rated load (resistive load). CONTA

2、CT POTENTIAL: 12V. CONTACT RESISTANCE: 0.5 (initial), 1 (end of life). RISE TIME: 200ps (guaranteed by design). SIGNAL DELAY: 1.5ns. GENERAL RELAY TYPE: High frequency electromechanical. CONTACT CONFIGURATION: Dual 14 multiplexer, single pole four throw, Channels 1 and 5 are normally closed. NOTE: O

3、ne channel in each multiplex bank is always closed to the corresponding OUT connector. CLOSE CHANNEL: ROUTe:CLOSe allows a single channel in a multiplex bank to be closed. ROUTe:MULTiple:CLOSe allows two channels (one in each bank) to be closed at one time. OPEN CHANNEL: ROUTe:OPEN:ALL closes CH1 an

4、d CH5 to OUT A and OUT B respectively. ACTUATION TIME: 10ms. FIRMWARE: Specifi ed for Model 2700 rev. B04, 2701 rev. A01, and 2750 rev. A03 or higher. CONNECTOR TYPE: Ten external rear panel SMA connectors. MATING TORQUE: 0.9 Nm (8 in-lb). ENVIRONMENTAL OPERATING ENVIRONMENT: Specifi ed for 0C to 50

5、C. Specifi ed for 80% RH at 35C. STORAGE ENVIRONMENT: 25C to 65C. WEIGHT: 0.5kg (1.1 lb). ACCESSORIES AVAILABLE 7712-SMA-1SMA Cable, male to male, 1m (3.3 ft) 7712-SMA-NFemale SMA to Male N-Type Adapter S46-SMA-0.5SMA Cable, male to male, 0.15m (0.5 ft.) S46-SMA-1SMA Cable, male to male, 0.3m (1 ft.

6、) The Model 7712 plug-in module offers a 50, dual 14 multiplexer confi guration with rear panel SMA 14 connectors. Multiple multiplex- ers can be cascaded to build scalable matrix and multiplexer systems for a large number of devices under test and RF source/measure- ment instruments. One channel in

7、 each multiplex bank is always closed to the corresponding OUT connector. The 3.5GHz RF switching capability of the Model 7712 makes it ideal for applications such as 3G telecom, wireless LAN, and Bluetooth module testing. Typical Insertion Loss 0dB 1dB 2dB 3dB 4dB 1010010004000 Frequency (MHz) Typi

8、cal VSWR 1.8 1.6 1.4 1.2 1.0 1010010004000 Frequency (MHz) AC PERFORMANCE (End of Life) For Zload= Zsource= 50 500 MHz1 GHz2.4 GHz3.5 GHz Insertion Loss0.5 dB0.65 dB1.1 dB1.3 dB MAX VSWR MAX1.151.21.4521.45 Ch-Ch Crosstalk175 dB70 dB50 dB45 dB MAX 1 Specifi cation assumes 50 termination. 2Add 0.1VSWR after 5105closures (no load). RadioFans.CN 收音机爱 好者资料库