C-band transmit test modes, C-band modulator spectrum rotation, C-band output vswr – Comtech EF Data C5 User Manual
Page 43: C-band transmit frequency change time
C5/K1/K3 Integrated Satellite Terminal System
Specifications
Rev. 0
2–9
2.1.6
C-Band Transmit Test Modes
The following transmit test modes are available to the customer. Spurious emissions in the
following test modes will be
" -30 dBc.
( CW – Outputs a single carrier at the defined frequency.
( Offset – Dual sideband signal with lower sideband and carrier
suppressed
" 30 dBc.
( Dual sideband – Suppressed carrier
" 30 dBc.
2.1.7
C-Band Modulator Spectrum Rotation
The customer can select normal or inverted spectrum of the Modulator Output.
2.1.8
C-Band Output VSWR
The VSWR into a 50
! load is " 1.5:1 for the frequency range of 5.925 to 6.425 GHz.
2.1.9
C-Band Transmit Frequency Change Time
Upon receiving a command to change the TX RF frequency, the terminal reprograms the
IDU and ODU accordingly. The transmit frequency is stable in
' 500 ms.