Annex
1 – Evaluation of unwanted emissions in the 1 400-1 427 MHz band from
non‑GSO MSS feeder links that may operate in the 1 390-1 392 MHz and
1 430-1 432 MHz bands
1
Introduction
2
Technical characteristics of the MSS system
3
Simulation model
3.1 Approach
3.2 Verification
4
Results
Annex 2 – Results of tests and measurements pertaining to
containment of unwanted emissions
1
Transmitter architecture
2
Evaluation of unwanted emissions
2.1 Configuration 1
2.2 Configuration 2
3
Flight hardware implementation considerations
3.1 L.O. carrier
3.2 Digital
modulation
3.3 RF up-converter
3.4 Output power
amplifier
3.5 Pre- and
post-amplifier filter
3.6 Test relevance
to proposed 1 390-1 392 MHz uplink
4
Long term reliability aspects for operation in space
4.1 Analogue
components (including oscillator)
4.2 Digital
components (GMSK shaping)
4.3 RF components
(upconverter)
4.4 Power
components
Annex 3 – Filter characteristics of feeder links near 1 400
MHz