The Ka-band 300W Power Amplifier system can realize the function of amplifying the Ka-band signal, has excellent performance, can meet the requirements of the communication system, and is one of the components of the uplink of the satellite communication microwave channel equipment. The amplifier system consists of two Ka-band 300W Power Amplifiers and a switch control part, which can realize automatic fault switching. The equipment can realize functions such as monitoring, setting working parameters, reporting equipment status information regularly, and reporting equipment status information by receiving query commands through RS485 Ethernet port.
Main parameters of Power Amplifier
| RF input interface: | 2.92-K |
| RF output interface: | BJ320 (waveguide flange) |
| power supply interface: | YGD20S1203J |
| Remote control interface: | YWB120E01S1 |
| RF sampling port: | (N-50K)(Coupling degree:45±2dB) |
| Power supply: | single-phase AC 220V (rated) |
| Power Consumption: | single Power Amplifier Power Consumption:≤ 3000W; Controller Power Consumption:≤ 20W |
| Weight: | single Power Amplifier product weight: ≤ 70kg; Controller weight: ≤ 5kg |
| Color: | ice gray GY04 |
| Size: | 1250mm × 660mm × 255mm (tolerance ± 0.5mm)(without joint size) |
Power Amplifier technical indicators
| Operating frequency: | 27.5GHz ~ 31GHz |
| Output power: | ≥ 54.78dBm(300W) |
| Gain: | ≥ 70dB |
| Gain adjustment range: | -30dB ~ 0dB, step 0.5dB |
| gain flatness | ≤ 1.0 dBp-p (within any 36MHz band); ≤ 1.5dBp-p (within any 101.88MHz band); ≤ 2.0dBp-p (within any 500MHz band); ≤ 5.0dBp-p (within 1600MHz band) |
| Spurious output: | ≤-60dBc |
| Group delay: | ≤ 1ns/101.88MHz |
| Group delay stability: | 1ns/24h |
| Third-Order Intermodulation: | ≤-25dBc (when the total power of dual carriers is 3dB lower than the rated power); ≤-29dBc (when the total power of dual carriers is lower than the rated power by 7dB) |
Waveguide switch technical indicators
| Operating frequency: | 27.5GHz ~ 31GHz |
| Insertion Loss: | ≤0.2dB |
| VSWR: | ≤1.2 |
| Isolation: | ≥60dB |
| Switching Time: | ≤50ms |
Waveguide coaxial switch technical indicators
| Operating frequency: | 27.5GHz ~ 31GHz |
| Insertion Loss: | Coaxial: 0.7dB ≤; Waveguide: ≤0.2dB |
| VSWR / Isolation: | Coaxial: ≤ 1.5:1; Waveguide: ≤ 1.2:1 |
| Isolation: | Coaxial: ≥ 50dB; Waveguide: ≥ 60dB |
| Switching Time: | ≤100ms |
Coupler technical indicators
| Passband Frequency: | 27.5GHz~31GHz |
| Insertion loss: | ≤ 0.3dB |
| VSWR: | Main line: ≤ 1.3; Sub-line: ≤ 1.5 |
| Coupling degree: | 40±1dB |
| Fluctuation: | ≤0.3dB |
| Directivity: | ≥ 18dB |
Environmental Adaptability
| Storage temperature: | -50 ℃ ~ +70 ℃ (LCD -30 ℃ ~ +60 ℃) |
| Working Temperature: | 0 ℃ ~ +45 ℃ (indoor fixed equipment); -40 ℃ ~ +55 ℃ (outdoor equipment) |
