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Digiplexer 246
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Digiplexer 2/4
NEXT FM
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Harware Description

Size	19’’ 3U
Depth	535 mm
Weight	14 kg

Audio FEATUREs

Analog Input		Digital Input
Quantity	1 stereo	Quantity	1 stereo
Level	2 ranges : +12 or +24 dBu jumper selectable, with software adjustments	Standard	AES 3
Impedance	600 Ω / 10 kΩ Jumper selectable	Sampling Rate	44.1 to 192 kHz, 24 bits
Connector	XLR female balanced and EMI suppressed	Connector	XLR female balanced and EMI suppressed
SCA/RDS input		Analog Output
Quantity / Connector	1 BNC female connector	Quantity	1 stereo
Type	Adder jumper selectable	Level	2 ranges : +12 or +24 dBu Jumper selectable, with software adjustments
Level	+24 dBu, identical to the MPX output (adder)	Impedance	Minimum load impedance 300 Ω at +24 dBu
		Connectors	XLR male balanced and EMI suppressed
Stereo Generator Output		Digital Output
Quantity	1 output which can deliver MPX or 19kHz pilot (software selectable)	Quantity	1 stereo
Level	2 ranges : +6 or +18 dBu Jumper selectable, with software adjustments	Standard	AES 3
Impedance	600 Ω- Max load : 35 Ω at +18 dBu	Data Rate	44.1 to 192 kHz, 24 bits
Connectors	BNC female – EMI suppressed	Connector	XLR male balanced and EMI suppressed
RF Output / Audio performances		Audio Performance
Undulation	< 0.25 dB	Processing delay	From 1.5 to 5.5 ms (depending on presets and audio path)
Distortion	< 0.1%	Frequency responce	FmHQ : 30 Hz – 17 kHz +/-0.2 dB (de-emphasized measured on analog output) HD : 30 Hz – 20 kHz +/-0.2 dB (measured on HD output)
Separation M/S	< -55 dB	Noise level	< -90 dB (no pre-emphasis)
Crosstalk L/R	> 45 dB	Distortion	<0.02% THD (no pre-emphasis)
Residual AM	< -60 dB	Separation	>70 dB
C/N Ratio	> 65 dB

20 or 100W exciter (optional)

	1W*	20W	100W
Power Range	0,9W +/- 1dB	2 to 20W @ TOS=1,35	10 to 100W @ TOS=1,35
Power adjustable	NA	Direct from 0,1 to 24W	Direct from 0,1 to 120W
Spurius and harmonic suppression	>40dBc	> 75 dBc within the 87,5 to 137 MHz band >70 dBc
RF Output Connector		N type
RF Output Impedance	50 Ω
RF Output Level	<1W	<30W	>150W
RF Monitor Connector	NA	BNC
RF Monitor Impedance	NA	50 Ω
RF Monitor level	NA	10 dBm @ 100W in main output
Low distorsion	< 0.05 % and high FM S/N ratio > 74 dB.
High channel separation	Up to 50 dB over the entire band
PLL	controlled by microprocessor

* Lab use only