HN-TDDPA20W_840 bidirectional data transmission
Power amplifier module
TDD same frequency bidirectional data transmission power amplifier module, Dimension 50×90×14mm
- Output Power:≥20W
- Frequency Range:835～855MHz
☆ Transmission Gain:≥15dB±1dB
☆ Maximun input power:25dBm
☆ In-band flatness:≤ ±0.50dB
☆ Receive gain:≤12dB±2dB
☆ Input output interface:SMA
☆ Input standing wave ratio:≤2(Load 50Ω)
☆ Output standing wave ratio:≤1.5(Load 50Ω)
☆ Relative group delay:≤20ns
☆ RF switch switching time:Start time≤5us / breaking time ≤1us
☆ Power amplifier transmit and receive isolation:≥50dB
☆ Control level: automatic, that is automatically detect the input power to realize automatic transmission and reception, when the input power up to 10dBm, the transmission is started, when the input power below to 0dBm convert to reception (or the external "CTRL" terminal is used to achieve TTL high-level transmission and low-level reception)
CTRL 1:Amplifier transmitting status, receiving off
CTRL 0:Receive status, transmitting off
1. "T/R_IN" port is connected to the radio frequency port of the digital radio station, and the "ANTENNA" port is connected to the antenna;
2."CTRL" is the transmission enable of the digital radio station connected in non-auto mode (auto mode and enable mode, need to be set at the factory, 3.3V TTL level);
3."DC-IN" is + 12 power supply, the welding pad pressed by this through-capacitor is the negative electrode;
4“Red indicator light”, the red indicator light is on to indicate the transmitting state, and the red indicator light is off to indicate the receiving state
- Operating temperature:-20～+75℃
- Voltage:12V
- Working current:12V/5.5A@20W；
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TDD Bidirectional Data Transmission Power Amplifier 840MHz With SMA Interface 12V Voltage Images
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