Noise measurements allow the determination of the four Noise Parameters of a device (transistor).

Noise Parameters: These are four numbers that fully describe the noise behaviour of an active or passive device (twoport) at a given frequency. 

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Input Noise Module

wdt_ID Model s Frequency Connector Insertion Loss VSWR
1 INM-2600 up to 26.5 GHz 3.5mm 0.80 dB 1.60
2 INM-4000 up to 40 GHz 2.9mm 0.91 dB 1.80
3 INM-5000 up to 50 GHz 2.4mm 0.99 dB 1.80
4 INM-6700 up to 67 GHz 1.85mm 1.12 dB 1.90

Output Noise Module

wdt_ID Model s Frequency Connector Downconverter Minimum Gain (dB) Maximum VSWR
1 ONM-2600 up to 26.5 GHz 3.5mm 29 1.8:1
2 ONM-4000 up to 40 GHz 2.9mm 30 for ≤26.5GHz, 29 for 26-40GHz 2.1:1
3 ONM-4000-DC up to 40 GHz 2.9mm 30 for ≤26.5GHz, 29 for 26-40GHz 2.1:1
4 ONM-5000 up to 50 GHz 2.4mm 27 for ≤26.5GHz, 27 for 26-40GHz, 28 for 40-50GHz 2:1
5 ONM-5000-DC up to 50 GHz 2.4mm 27 for ≤26.5GHz, 27 for 26-40GHz, 28 for 40-50GHz 2:1
6 ONM-6700 up to 67 GHz 1.85mm 29 for ≤26.5GHz, 28.5 for 26-40GHz, 28 for 40-50GHz, 21 for 50-65GHz 3:1
7 ONM-6700-DC up to 67 GHz 1.85mm 29 for ≤26.5GHz, 28.5 for 26-40GHz, 28 for 40-50GHz, 21 for 50-65GHz 3:1

Noise Parameters

Noise Circles & Stability Regions

Noise Parameters: Minimum Noise Figure / Rn / Gamma Opt / Phase of Gamma Opt

Typical Noise Setup

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