433~480MHz, Gain51dB, Psat45dBm, SMA
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Suitable for fields such as drone interference and aging testing.
| Parameters | Min | Typical | Max | Units |
|---|---|---|---|---|
| Frequency | 433 | ~ | 480 | MHz |
| Gain | 51 | dB | ||
| Gain flatness | ±1 | dB | ||
| Input VSWR | 1.4 | |||
| Psat | 44 | 45 | 46 | dBm |
| Max input power | 10 | dBm | ||
| ALC control range | 10 | dB | ||
| Gain Adjustment Range | 25 | dBc |
| Connector | SMA-K |
| Temperature protection | +85 ℃ over temperature alarm and shutdown, 65 ℃ open |
| Transmission and control interface | CMOS3.3V |
| Ripple | ≤2.5dB |
| Impedance | 50Ω |
| Working voltage | +28V |
| Working current | 4500mA |
| Operation Temp. | -40~+55℃ Design assurance |
| Gain adjustment accuracy | Attenuation of 10dB: ≤ ± 1dB; Attenuation of 20dB: ≤ ± 1dB; Attenuation of 25dB: ≤ ± 1.5dB |
| F (MHz) | Gain(dB) | Pout（SAT） | Ids（A） | IdQ（mA） |
|---|---|---|---|---|
| 420 | 48.93 | 44.55 | 2.26 | 400 |
| 430 | 49.67 | 45.31 | 2.6 | 400 |
| 440 | 50.77 | 46.21 | 3.06 | 400 |
| 450 | 51.74 | 47.33 | 3.48 | 400 |
| 460 | 52.38 | 47.08 | 3.26 | 400 |
| 470 | 52.3 | 44.85 | 2.82 | 400 |
| 480 | 51.43 | 44.53 | 2.96 | 400 |
RS485 interface
1) Settings: switch, gain;
2) Query: Module status (including amplifier status, over power alarm, over temperature alarm), amplifier temperature, amplifier ATT value, detected forward power;
3) Overpower alarm: If the power exceeds the maximum output power by+2dB, an alarm will be triggered;
4) Over temperature alarm: It is recommended to set the threshold to+85 ℃. If the temperature exceeds+85 ℃, an alarm should be triggered and the power amplifier should be turned off. When+65 ℃ is reached, the power amplifier should be turned on;
5) Temperature detection of power amplifier: The detection range is required to include but not limited to -25 ℃ to+85 ℃, and the detection accuracy is required to be ± 3 ℃;
6) Forward power detection: The detection range should be greater than 20dB, and the detection accuracy should be less than ± 1dB;
Store in an environment with a humidity of less than 25%, pay attention to dust and anti-static measures, and consider amplifier heat dissipation during installation.
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