Digital RF Wattmeter with LCD Display [1khz ~ 1 Ghz)
Người đăng: biendt
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Ngày cập nhật: 12/10/2015 - 09:38:10
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Tác giả: Thomas Scherrer
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Nguồn:
Digital RF Wattmeter with LCD Display [1khz ~ 1 Ghz)
2264
1
Frequency coverage: 1 kHz to 500 MHz (calibrated)
1 kHz to 1000 MHz (uncalibrated, for
relative power measurements only)
Nominal input impedance: 50 Ω
Input power range: –60 dBm to +30 dBm
(1 nanowatt to 1 watt).
Input power range using 50-dB attenuator: up to 100 kwatts.
Dynamic range: 90 dB with good RF shielded case.
Resolution: 0.1 dBm (1 dBm on bar-graph)
Input return loss: @300kHz: –35dB
@100MHz: –27dB
@500MHz: –25dB
Input SWR:@ 300kHz: 1.036
@100MHz: 1.094
@500MHz: 1.12
Accuracy before calibration: ±1 dB from 1 MHz to 450 MHz.
After calibration: ±0.2 dB at each calibrated frequency.
DC Voltage Measurement: 0 to 20 volts.
DC Voltage Resolution: 20 mV
DC Voltage accuracy after calibration: ±20 mV
Power supply: 9 to 20 VDC
Current consumption: with no LCD light: 30 mA;
with normal LCD light:120 mA
Bình Luận
Cùng danh mục: English Book
Cùng người đăng: biendt
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