Руководство по эксплуатации Anritsu MG3681A

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MU368060A
AWGN Unit
(For MG3681A Digital Modulation Signal Generator)
Supports IMT2000 System Receiver Test

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The 3GPP and 3GPP2 recommended dynamic range test for W- Expansion units CDMA and CDMA2000 receivers requires AWGN (Additive White Gaussian Noise) to be mixed on the wanted modulated signal. When the MU368060A AWGN Unit is installed in the MG3681A Digital Modulation Signal Generator, AWGN can be generated at real time. When both the MU368040A CDMA Modulation Unit that installed MX368041B W-CDMA Software is mounted, one MG3681A can be utilized as a wanted signal source (W-CDMA modulating), an int

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Application Examples 3GPP Recommended Dynamic Range and Interference Tests • This test does not require a separate signal generator for both interfering signal and AWGN. W-CDMA wanted signal generator MG3681A Digital Modulation Signal Generator MU368040A CDMA Modulation Unit Combiner MX368041B W-CDMA Software (MA1612A, etc.) Interfering signal and AWGN generator DUT (receiver, etc.) MG3681A Digital Modulation Signal Generator MU368040A CDMA Modulation Unit MX368041B W-CDMA Software MU368060A A

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Specifications Frequency range 100 to 3000 MHz ∗1 Level range: –143 to –3 dBm (total power at W-CDMA and AWGN internal addition ) RF output Level accuracy: Within ±3.0 dB compared with CW output level. ∗ 1920 to 2170 MHz, noise bandwidth: 7.68 MHz, –3 dBm, ALC on, continuous mode: off Probability distribution: Gaussian distribution Crest factor: ≥14 dB (1920 to 2170 MHz, –3 dBm, ALC on, continuous mode: off) ∗ 2 Bandwidth: 1.5 to 16 MHz Noise Calculated bandwidth: 10% to 80% of noise bandwidth s