XPT/R2G
Pag. 2
XPT-2G STL TRANSMITTER
ELECTRICAL SPECIFICATION
2.1 FREQUENCY - POWER
Frequency range------------------------------------------------------- 1300 – 2600MHZ in 30 MHZ steps
Frequency setting----------------------------------------------------------------------in 50 or 100KHz steps
Internal setting mode ------------------------------------------------------------------------------------ by keys
External setting mode by remote control------------------------------------------- ( RS232-RS485-GSM )
Frequency stability------------------------------------------------------------------------------- ±1000Hz/year
Frequency generation--------------------------------------------------------------------------PLL synthesizer
Modulation type ---------------------------------------------------------- direct VCO frequency modulation
Nominal frequency deviation---------------------------------------------------------------------------±75kHz
Deviation linearity in all frequency range ---------------------------------------------------------------±1dB
Peak detector error ----------------------------------------------------------------------------------------<0.1dB
RF output power----------------------------------------------------------------------------------------0 to 4.5W
Power resolution setting------------------------------------------------------------------------------------0.1W
Power control limit setting ---------------------------------------------------------------------------1 to 4.5W
Power control stability-----------------------------------------------------------------------------------< 0.2dB
Harmonics emission ------------------------------------------------------------------------------------<-60dBc
Spurious emission--------------------------------------------------------------------------------------- <-60dBc
Carrier reduction power ( carrier enable off ) -------------------------------------------------------->50dBc
2.2 MODULATION CAPABILITY
MONO (left and right)-------------------------------------------------------------------------- 40Hz to 15kHz
STEREO (by internal stereo generator)------------------------------------------------------ 40Hz to 53kHz
SCA (two channels)----------------------------------------------------------------------------40Hz to 100kHz
COMPOSITE ---------------------------------------------------------------------MONO or STEREO + SCA
2.3 CHARACTERISTICS IN MONO
Signal input ------------------------------------------------------------------------------------------Left + Right
Input impedance-------------------------------------------------------------------- 600 (balanced) or 10k
Unbalance rejection--------------------------------------------------------------------------------------- >40dB
Input level -------------------------------------------------------------------------------------------0 to +12dBm
Pre-emphasis-------------------------------------------------------------------------------------------75 or 50s
Audio frequency response (30Hz to 15kHz) -------------------------------------------------------- <0.15dB
Audio frequency response ( 19kHz to 100kHz)------------------------------------------------------ <-40dB
Modulation distortion------------------------------------------------------------------------------------ <0.03%
Signal to noise ratio--------------------------------------------------------------------------------------- >70dB
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