The HF receiver is a superheterodyne receiver, which is featured of high sensitivity, wide dynamic range, and low degree of distortion. It could be widely used in the domain of HF communications.

a) Be able to comunicate through Ethernet;

b) Be able to demodulate the signal of USB, LSB, AM, CW.

 Operation frequency: 2MHz～30MHz

 IF frequency: 455KHz±9KHz

 Frequency interval: 10Hz

 Maximum gain: 45dB±3dB

 Sensitivity:

When the IF band is 6KHz, the output SNR is 12dB; when the modulating frequency is 1KHz, the AM sensitivity is -100dBm;

When the IF band is 3KHz, the output SNR is 12dB, and the SSB sensitivity is -106dBm;

When the IF band is 1KHz, the output SNR is 12dB, and the CW sensitivity is -112dBm.

 Third order intermodulation cutoff frequency: ＞10dBm

 IF rejection ratio: ＞90dB

 Image frequency rejection ratio: ＞90dB

 Reciprocal mixed frequency rejection ratio: ＞90dB

 Reverse radiation level: ＜-100dBm

 Audio distortion factor: ＜4%

 Input impendence: 50Ω

 Operation voltage: AC 220V

 Power consumption: ＜15W

 Operation temperature: -10℃～55℃

 Storage temperature: -50℃～65℃