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发表于 2021-3-28 12:33:48
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最近申请买了个这个，还有些天线，总的是1w多，如果有他介绍的好用，也还好的。
他这个频谱仪应该是俄罗斯人做的，ebay大概3k左右。
Specifications:
- Displayed frequency range: 35 — 6200 MHz
- Measured frequency range: 35 — 4500 MHz
- Dynamic range for 35-3000 MHz band: 75 dB
- Dynamic range for 3000-4500 MHz band: 70 dB
- Maximum Span: 6165 MHz
- BW: 200 kHz, fixed
- Scan speed for a viewing band of more than 100 MHz: 700 MHz/sec
- Sweep 100 MHz: < 0.25 sec
- Noise floor up to 3000 MHz: < - 90 dBm
- Noise floor 3000 - 4500 MHz: < -85 dBm
- Noise floor 4500 - 6200 MHz: < -80 dBm
- Wave impedance: 50 Ohm
- SWR at the operating frequency range: < 1,5
- Internal attenuator: 0 — 30 dB
- Error with attenuation up to 10 dB: 2 dB
- Error with attenuation from 10 to 20 dB: 5 dB
- Error with attenuation from 20 to 30 dB: 8 dB
- The output power of the tracking generator: -15...-25 dBm
- Accuracy within the dynamical range: 2,0 dB
- Maximum input power at attenuator 0 dB: 10 dBm
- Maximum input power when the attenuation is above 20 dB: +20 dBm
- Maximum input measured signal: +10 dBm
- Maximum input DC voltage: 25 Volts
- Maximum current consumption when running on battery: 450 mA
- Maximum current draw when running from USB: 500 mA (when charging)
- Battery: 2000 mAh
- Time battery life: 3 hours
- Battery charging time: ~ 5 hours |
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