XPT/R2G
Pag. 3
2.4 CHARACTERISTICS IN STEREO
Signal inputs ----------------------------------------------------------------------------------------Left or Right
Input impedance-------------------------------------------------------------------- 600 (balanced) or 10k
Unbalance rejection--------------------------------------------------------------------------------------- >40dB
Input level -------------------------------------------------------------------------------------------0 to +12dBm
Pre-emphasis-------------------------------------------------------------------------------------------75 or 50s
Audio frequency response (40Hz to 15kHz) -------------------------------------------------------- <0.15dB
Audio frequency response (19kHz to 100kHz) ------------------------------------------------------- <40dB
Cross-talk between left and right channel-------------------------------------------------------------- >50dB
Stereo separation between left and right channel ----------------------------------------------------- >50dB
Distortion at frequency deviation of 75kHz ---------------------------------------------------------- <0.05%
Distortion at frequency deviation of 100kHz--------------------------------------------------------- <0.05%
Signal to noise referred at deviation of 75kHz-------------------------------------------------------- >70dB
Suppression of 38KHz------------------------------------------------------------------------------------ >70dB
Spurious suppression outside band ------------------------------------------.in according to ETS 300-384
Pilot reference for RDS encoder (19 Khz out) ----------------------------------------------------------1Vpp
2.5 SCA CHARACTERISTICS
Input (SCA1, SCA2)--------------------------------------------------------------------------BNC unbalanced
Input impedance-------------------------------------------------------------------------------------------- 10K
Frequency response (50kHz to 100kHz)---------------------------------------------------------------<0.1dB
Distortion----------------------------------------------------------------------------------------------------<0.1%
Modulation capability ----------------------------------------------------------------------------------0 to 10%
2.6 READOUT ON LCD DISPLAY (40x4 characters)
Forward power resolution----------------------------------------------------------------------------------0.1W
Modulation resolution --------------------------------------------------------------------------------------1kHz
Power amplifier voltage resolution --------------------------------------------------------------------------1V
Heatsink temperature resolution ----------------------------------------------------------------------------1°C
2.7 ALARMS
ALARMS OUT ------------------- one reed contact for carrier enable
internal power supply
external power supply
lock detect
-3dB power down
modulation absence
SMS sending by GSM
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