Product introduction and usage
S+C digital telemetry transmitter adopts the integrated design of software radio technology and is small in size. It realizes data interaction through network interface, asynchronous RS422, synchronous RS422 and other interfaces, and completes PCM encoding, carrier modulation and transmission of telemetry data.
The main technical parameters
1) Output channel: 1 channel, S-band or C-band, configurable；
2) Modulation method: PCM-FSK, PCM-BPSK, PCM-SOQPSK-TG, configurable；
3) Output frequency:S, 2200MHz~2400MHz, step 1KHz; C, 4400 MHz~4900MHz, step 1KHz; C, 5090 MHz~5250MHz, step 1KHz；
4) Output power: 0W~5W, adjustable in 1dB steps, and the output can be turned off；
5) Output standing wave ratio (VSWR): ≤1.5；
6) RF cathode resistance: 50 ohms；
7) Frequency stability and accuracy: ±1x10-6；
8) Miscellaneous harmonic suppression: not less than 50dB；
9) Modulation code rate: 100kbps~10Mbps.
Main feature
1) Collect external input PCM data, and the interface circuit is configured to adapt to the input RS422 differential and 5V/3.3VTTL interface levels;
2) Adapt to external input PCM + code synchronization and PCM + codeless synchronization modes;
3) Ability to randomize input PCM data;
4) It has multiple modulation systems of PCM-PSK, PCM-BPSK, and PCM-SOQPSK-TG;
5) It has S and C-band power amplification and transmission capabilities;
6) S+C digital telemetry transmitter configuration management software function.