EGSE – UP/Down Converter
Di seguito sono riportate le caratteritiche massime ottenibili dai nostri apparati. Tale sistema è stato realizzato in più esemplari per i segnali di Galileo.
Down-converter Type: | G-LTS-#3 |
RF-Input Frequency: | RF input: ……………….. 1.125,0 -1.615,0 MHz |
Conversion Scheme: | Single down conversion, frequency inversion |
RF-Input Characteristics: | Impedance: …………….. 50 Ω
Return Loss: ……………. >15dB RF-Connector: …………. SMA female Input Level I:……………. -65 ±10dBm Input Level II:…………… -20 ±5dBm Cross Talk:……………… Unit 1 to IF out @ unit 2: < -80 dB |
IF-Output Characteristics: | Frequency:……………… 300,0 ± 80,0 MHz
Output Level:…………… -16 ±0,5dBm Impedance: …………….. 50 Ω Return Loss: …………… > 20 dB 1dB Compression Point: .> 3 dBm IF-Connector: ………….. SMA female |
Transfer Characteristics: | Max. Conversion Gain: .. 60 dB
Attenuation Range:………0…32dB step 0,5dB Gain Accuracy: ………… ± 1 dB Level Stability: ………….. ± 0.25 dB/day (constant temperature) Amplitude Response: ….. ± 0.5 dB / 10 MHz Noise Figure: ……………… < 5,0 dB @ -65dBm input power < 24,5 dB @ -15dBm input power |
Equalizer (Gain Slope): | ± 2.5 dB / 40 MHz |
Intermodulation (3rd Order): | < -50 dBc |
Phase Noise: | 1 Hz ……………………………-20 dBc/Hz
10Hz …………………….. -30 dBc/Hz 100Hz …………………….-75 dBc/Hz 1 kHz ……………………. – 95 dBc/Hz 10 kHz ………………………. – 95 dBc/Hz 100 kHz ………………….. – 105 dBc/Hz 1MHz ……………………. -142 dBc/Hz |
Spurious Outputs: | Signal related: < – 50 dBc (Δf < 1 MHz), < -70 dBc (Δf ≥ 1 MHz) |
Reference Input: | Frequency………………. 10 MHz
Level:……………… …… -5…10 dBm Modes:…………………… internal, external Connector:………………. BNC female |
Temperature Range | 0°C to 50°C |
User Interface | Display 3,5digit, 4 functionality keys |
Power Supply | 220V AC, 50Hz, 1A max |
Dimension and Weight: | 483 x 88 x 500 mm, 2 RU (19“)
appr. 9(TBC) kg |
Programmable Down-converter Characteristic