T.E.M. A07B500S, Руководство пользователя

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A07B500S manual
Pag. 8
A07A500S FM BROADCASTING
TRANSMITTER
ELECTRICAL SPECIFICATION
2.1
FREQUENCY - POWER
Frequency range ------------------------------------------------------------------------------ 87.6 to 107.9MHz
Frequency setting ----------------------------- in 100KHz steps (model A07B500S-S have 10 Khz 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 --------------------------------------------------------------±0.2dB
Peak detector error------------------------------------------------------------------------------------------<0.1dB
RF output power ---------------------------------------------------------------------------------------- 0 to 500W
Power resolution setting --------------------------------------------------------------------------------------- 1W
Power control limit setting --------------------------------------------------------------------------- 1 to 500W
Power control stability ------------------------------------------------------------------------------------ < 0.1dB
Reverse output power control limit ------------------------------------------------------------------- 1 to 99W
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 ----------------------------------------------------------------------------------------->90dB