A07A2200S
A07A2200S FM BROADCASTING
TRANSMITTER
ELECTRICAL
SPECIFICATION
2.1
FREQUENCY - POWER
Frequency range ------------------------------------------------------------------------------ 87.6 to 107.9MHz
Frequency setting ------------------------------------------------------------------------------------ 10 Khz steps
Internal setting mode -------------------------------------------------------------------------------------- by keys
External setting mode --------------------------------------------------- by remote control ( RS232-RS485 )
Frequency stability ---------------------------------------------------------------------------------- ±250Hz/year
Frequency generation --------------------------------------------------------------------------- PLL synthesizer
Modulation type------------------------------------------------------------ direct VCO frequency modulation
Nominal frequency deviation --------------------------------------------------------------------------- ±75KHz
Deviation linearity in all frequency range --------------------------------------------------------------±0.2dB
Peak detector error------------------------------------------------------------------------------------------<0.1dB
RF output power -------------------------------------------------------------------------------------- 0 to 2000W
Power resolution setting --------------------------------------------------------------------------------------- 1W
Power control limit setting ------------------------------------------------------------------------10 to 2000W
Power control stability ------------------------------------------------------------------------------------ < 0.1dB
Reverse output power control limit ------------------------------------------------------------------ 1 to 200W
Reverse output power steps control-------------------------------------------------------------------------- 1W
Harmonics emission -------------------------------------------------------------------------------------- <-70dBc
Spurious emission ---------------------------------------------------------------------------------------- <-95dBc
Carrier reduction power ( carrier enable off ) --------------------------------------------------------- >70dBc
2.2
MODULATION CAPABILITY
MONO (left and right) -------------------------------------------------------------------------- 30Hz to 15KHz
STEREO (by internal stereo generator) ------------------------------------------------------ 30Hz to 53KHz
SCA (two channels) ---------------------------------------------------------------------------- 30Hz to 100KHz
COMPOSITE ----------------------------------------------------------------------MONO or SCA
2.3
CHARACTERISTICS IN MONO
Signal input --------------------------------------------------------------------------------------------Left + Right
Input impedance --------------------------------------------------------------------- 600
?
(balanced) or 10k
?
Unbalance rejection ----------------------------------------------------------------------------------------->40dB
Input level------------------------------------------------------------------------------------------- –6 to +12dBm
Pre-emphasis --------------------------------------------------------------------------------------------75 or 50
?
s
Audio frequency response (30Hz to 15KHz)--------------------------------------------------------- <0.15dB
Audio frequency response ( 19KHz to 100KHz) ------------------------------------------------------<-40dB
Modulation distortion ------------------------------------------------------------------------------------- <0.03%
Signal to noise ratio ----------------------------------------------------------------------------------------->85dB
380 221 R02
Pag. 7
Содержание A07A2200S
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Страница 103: ...DT50 100 manual 380 209 R00 Pag 95 SINTD BOARD VCO OSCILLATOR ...
Страница 104: ...DT50 100 manual 380 209 R00 Pag 96 SINTD BOARD VCO OSCILLATOR ...
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Страница 112: ...DT50 100 manual 380 209 R00 Pag 104 AGC BOARD AUDIO AUTOMATIC GAIN CONTROL ...
Страница 113: ...DT50 100 manual 380 209 R00 Pag 105 AGC BOARD AUDIO AUTOMATIC GAIN CONTROL ...
Страница 117: ...Cable 1 RS 232 Battery GSM Cable 4 Cable 3 Battery Cable 2 Antenna Power supply 7A2200 Picture 1 ...