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J2140A - Picotest 衰減器 ( 阻抗 ) | 洛克Lockinc
J2140A - Picotest 衰減器 ( 阻抗 ) | 洛克Lockinc

J2140A

J2140A-Picotest Attenuator(Impedance)

產品說明
  • Integrated unit includes 40dB, 20dB and 10dB
  • Cascade for greater attenuation
  • Improve noise floor or assure small signal measurement
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功能說明

There are two common uses for attenuators when used in conjunction with the network analyzer. One is to attenuate the oscillator source signal. While this may seem odd, one of the most common errors in analyzer measurements is using a source signal that is too large. Even though the analyzer allows setting of the signal output amplitude, the lowest setting is often too high to allow an accurate small-signal measurement to be made. The correct amplitude is the smallest amplitude that exceeds the noise floor.

Attenuators are also useful for improving the dynamic range of the measurement. In some cases, as in measuring the open loop gain of an opamp as one example, the low frequency loop gain will be extremely large (100dB or more is not uncommon). Attenuating the output signal increases the effective range of the measurement.

What's included :

1. J2140A Attenuator
2. User manual
3. 1 Year Warranty

J2140A Attenuator Frequency Sweep
規格說明
Specifications
Characteristic Rating
Maximum Input Level +20dBm
Input / Output Impedance 50 ohms
3dB Frequency Range DC ~ 50MHz
Maximum VSWR 1.3
Attenuation Accuracy 0.2dB
Absolute Maximum Voltage < 50VAC and 75VDC

Caution: To avoid equipment damage and/or severe injuries or death ensure that the absolute maximum ratings are observed and not exceeded at all times.
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