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Model 353
https://www.bestt.com.tw/yellowpage/ 貝斯科技股份有限公司

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Model 35

Model 35

The Picoprobe Model 35 has been engineered to meet the stringent demands of advanced high frequency circuit designers. This probe combines full DC capability, rise/fall times of 14 ps, and a nominal loading input impedance of 1.25 megohms shunted by 0.05 pf. Signal attenuation is 10:1 with a 50 ohm oscilloscope input. Like our other active probes, the Model 35 achieves its bandwidth using just one probe point, which greatly simplifies internal node testing without sacrificing performance. An assortment of user replaceable probe tips are available for a variety of probing needs. The Model 35 is powered by our new PS-3 power supply.

 

 Specifications

 Model 35

 Input Capacitance

 0.05pF

 Input Resistance

 1.25 megohms

 Rise/Fall Time

 14 ps (3V pulse or less)

 Frequency Response

 dc to 26GHz

 Operating Range

 -6 to +6V

 Linearity

 2% (+/-3V)

 Signal Attenuation

 10 to 1 (50ohm input)

FIGURE 2

 

 

Picoprobe Model 35

Part
Number

Tungsten Probing Wire
Shaft Diameter

Point Radius

35-1-5

5 micron

<0.1 micron

35-1-10

10 micron

<0.1 micron

35-1-22

22 micron

<1.0 micron

35-1-35

35 micron

<2.0 micron

 

FIGURE 3

 


* Requires the use of a Model 35 Picoprobe嚙� Power Supply, part # PS-3. Please specify 110V or 220V when ordering.


 

FIGURE 4

 

This plot shows the response of the Model 35 Picoprobe to a 0.25 volt, 25 picosecond rise time input pulse. Both the input pulse (Channel 2) and the Model 35 response (Channel 1) are displayed simultaneously on a dual channel 20 GHz sampling oscilloscope. The Model 35 probe tip was contacted to a 50 ohm impedance strip line that carried the input signal. The Model 35 used only a single contact and did not require a short ground connection.

pdf.jpgModel 35 Pdf

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