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FM-MC4

TECHNICAL SPECIFICATIONS


 MAIN CHARACTERISTICS 
Low voltage power supply + 11 V DC…+ 15 V DC
Consumed energy
 Around 30 W
Mains power supply; frequency
 110 VAC/230 VAC; 50/60 Hz
Consumed energy (AC)
 Around 50 VA
Temperature:
  • Operating
  • Storage
  • +5°C- +45 °C
  • -20°C - +70°C
Dimensions (L x H x D)
 360 x 155 x 405 mm
Weight Around 12 kg
Humidity 10-95% non-condensing relative humidity
 PC CONNECTION 
Connection type RS232C
Connector 9-pin female SUB-
 IF FILTERS 
Band width at - 3 dB of IF filter wide band +/-100 kHz
Band width at - 3 dB of IF filter medium band
 +/-75 kHz
Band width at - 3 dB of IF filter narrow ban +/-35 kHz
 MEASURING DYNAMICS 
RF level -100 to +23 dBm ( +7 to +130 dBµV)
MPX level
 0 to +/-150 kHz
Pilot level
 0 to +/-15 kHz
RDS level
 0 to +/-8 kHz
DARC level
 0 to +/-8 kHz
AUX level (60 kHz – 90 kHz)
 0 to +/-8 kHz
AF level L, R, L+R, L-R -40 to +6 dBr
 MPX POWER 
Level measurement dynamics -150 kHz to +150 kHz
Elementary cycle duration
 1 to 60 seconds
Maximum instantaneous measuring cumulation duration
 1 hour
Maximum power recording duration in  slide mode
 72 hours
Maximum peak recording capacity in one sequence 72 hours
PEAK RECORDING 
Recording one path MPX, Pilot, RDS, DARC or AUX. 
Recording two paths G, D, G+D, G-D.
OTHER FUNCTIONS 
Pilot/RDS synchronization indicator.  
Pilot/DARC synchronization indicator.
  
Evaluation of phase between Pilot and RDS sub-carriers
between 0° and 180°
Programmable de-emphasis of L and R paths
0, 50 µs and 75 µs
Programmable pre-emphasis of L and R path 0, 50 µs and 75 µs
 GPS SECTION 
Connector BNC
Number of satellites
 8
Geographical positio +/-100 m
 ACCURACY 
 The accuracy values given below are obtained with the reference signals used at the time of adjusting the equipment 
RF level measurement accuracy +/-2 dB (from 30 to 90 dBµV)
MPX level measurement accuracy
+/-2.5 kHz (to +/-75 kHz swing)
Pilot level measurement accuracy
+/-200 Hz (to +/-7.1 kHz swing)
RDS level measurement accuracy
+/-200 Hz (to +/-4 kHz swing)
DARC level measurement accuracy
+/-200 Hz (to +/-4 kHz swing)
AUX (60-80 kHz) level measurement accuracy
+/-200 Hz (to +/-4 kHz swing)
L, R, L + R, L – R level measurement accuracy
+/-0.2 dB (to 0 dB WITHOUT pre-emp/de-emp)
MPX power measurement accuracy +/-0.3 dB (from -6 to +12 dB with ref. IUT 19 kHz)
 RF INPUT 
Frequency range 87.5 MHz to 108 MHz
Frequency synthesiser step
 10 kHz
Input impedance
 50 Ω
Connector
 BNC
Programmable RF attenuator 0, 20 dB and 40 dB
AF INPUT (L, R)
Impedance 20 kΩ
Input type
 Balanced or unbalanced (FM-MC4)
Balanced input connectors
 3-pin female XLR
Unbalanced input connectors (FM-MC4)
 BNC
Input level
 -18 dBu to +18 dBu (adjustable by 0.1 dB steps)
Maximum admissible input level +22 dBu
MPX INPUT 
Input impedance 20 kΩ
Connector
 BNC
Input level
 -18 dBu to +18 dBu (adjustable by 0.1dB steps)
Maximum admissible input level +22 dBu
MPX OUTPUT 
Output impedance < 10 Ω
Connector
 BNC
Nominal output level +12 dBu (+8.72 V peak-peak for a modulating signal from 500 Hz)
L, R, L+R OUTPUTS 
Output impedance < 10 Ω
Connector
 BNC
Nominal output level +12 dBu (+8.72 V peak-peak for a modulating signal from 500 Hz  in stereo (L=R)