# Equipment list: microwave RX/TX station Fill in first: satellite, downlink, modulation, bandwidth, location, OS and measurement goal. | Item | Model / link | Requirement | Qty | Price checked on | |---|---|---|---|---| | SDR | | Tuning range and sample bandwidth matching the signal | 1 | | | Antenna | | Frequency, polarisation, tracking method | 1 | | | Cable | | Impedance, length and loss at the operating frequency | | | | Connectors / adapters | | Type, gender, SMA vs RP-SMA | | | | Filter | | Passband, insertion loss; optional | | | | LNA | | Band, noise figure, gain, power supply; optional | | | | Power | | USB / bias-tee / LNB inserter depending on the chain | | | | Computer | | Drivers, USB and decoder performance | 1 | | | Storage | | Sample rate x bytes per complex sample x time | | | | Mount | | Stability, sky visibility and weather resistance | | | | Rotator | | Optional; az/el and controller support | | | | Instruments | | Rent or buy depending on the measurement scope | | | ## S/X/Ku/Ka extension | Item | Parameters to request / verify | |---|---| | Reflector and mount | Diameter, f/D, surface accuracy, mass, torques, wind | | Feed / OMT / diplexer | RX/TX, polarisations, isolation, power handling, return loss | | Downconverter | RF/IF, LO, phase noise, reference, image rejection, levels | | Upconverter / BUC | IF/RF, reference, gain, linear power, power supply | | HPA / SSPA | Back-off, cooling, reflected power, control and mute | | TX filter | Loss, passband, harmonics, power handling | | Reference | Frequency, level and connector compatibility of every module | | Tracking | Encoders, backlash, speed, end stops, park, cable wrap | | RX protection | Isolation, limiter/switch as designed, max input | | Test bench | Dummy load, coupler, attenuators and meters for the range and power | | Integration | Software, controller protocols, TX interlock, logs | Size the TX for your own system or for link requirements agreed with the operator. Ask for a specification of the whole set, not just the reflector parameters.