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EM 3031-U / EM 3032-U
11 / 96 - 10
4.
TECHNICAL DATA
Frequency range ................................................................................ 430 MHz - 960 MHz
Switching bandwidth .......................................................................... 24 MHz
Frequency stability .............................................................................
±
10 ppm (- 10
°
C to + 55
°
C)
Receiver frequencies ......................................................................... max. 32 in 4 groups, pre-programmed to customer specifications
Channel spacing (min.) ....................................................................... 300 kHz
Channel grid (min.) ............................................................................. 5 kHz
1st oscillator frequency (1. LO) .......................................................... 65.75 MHz below receiver frequency
1st intermediate frequency (1. IF) ...................................................... 65.75 MHz
2nd oscillator frequency (2. LO) ......................................................... 76.45 MHz (optional 55.05 MHz)
2nd intermediate frequency (2. IF) ..................................................... 10.7 MHz
De-emphasis ...................................................................................... 50
µ
s
Modulation ......................................................................................... wideband FM
Nominal deviation ...............................................................................
±
40 kHz
Peak deviation ....................................................................................
±
56 kHz
Nominal AF output level ..................................................................... + 12 dBu
Peak AF output level .......................................................................... + 17.5 dBu
±
1 dBu
Monitor level ...................................................................................... + 12 dBu, max. amplification = 30 dB
THD at 1 kHz and nominal deviation ..................................................
≤
0.5 %, typ. 0.25 %
AF frequency response (+ 1 dB/- 2 dB) .............................................. 45 Hz - 20 kHz
Compander system ............................................................................ HiDyn
plus
Squelch .............................................................................................. 0 - 100
µ
V, adjustable (rear side)
Sensitivity S/N = 52 dB (unweighted with HiDyn
plus) .......................
≤
1.0
µ
V (EM 3032-U
≤
1.5
µ
V)
S/N = 90 dBA (peak deviation with HiDyn
plus) ..................................
≤
5
µ
V
S/N = 115 dBA (peak deviation with HiDyn
plus) ................................
≤
15
µ
V
S/N max. (1 mV, peak deviation with HiDyn
plus) ............................... 120 dBA eff
116 dB eff
106 dB CCIR peak
Limiter threshold ................................................................................
≤
1.0
µ
V (EM 3032-U
≤
1.5
µ
V)
Intermodulation attenuation ...............................................................
≥
66 dB
Adjacent channel rejection .................................................................
≥
75 dB
Image rejection ..................................................................................
≥
50 dB, typ. 65 dB
Free field interference radiation .........................................................
≤
- 57 dBm at the AF output
Antenna inputs ................................................................................... 2 BNC sockets
Antenna input impedance .................................................................. 50
Ω
AF outputs .......................................................................................... LINE: 3-pin XLR, transformer-balanced
MONITOR: 1/4" (6.3 mm) ø jack plug, unbalanced
AF output voltage at peak deviation ................................................... LINE: 0 - 5.6 V, adjustable,
≥
2 k
Ω
MONITOR: 0 - 2.8 V, adjustable,
≥
600
Ω
Source impedance of AF output ........................................................
≤
50
Ω
(LINE at max. level)
Temperature range ............................................................................. - 10
°
C to + 55
°
C
Power supply ..................................................................................... 115 / 230 V AC + 10 % / - 15 %
Power consumption ........................................................................... 10 VA (EM 3032-U 15 VA)
Dimensions (without rack mount ears) .............................................. 436 x 228 x 43 mm (19", 1 U)
Weight ................................................................................................ approx. 3300 g (EM 3032-U approx. 4000 g)