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Guide Utilisateur MCR41/MCR42
SPÉCIFICATIONS TECHNIQUES
• Frequency ranges [1]
• Switchable channels
• Switching-window
• Frequencies
• Frequency error
•Temperature range
• Modulation
• Nominal deviation
• "A" / "B" antenna inputs
• Antenna input
impedance
• Sensitivity
• Amplitude response
• Co-channel rejection
• Adjacent chan.
selectivity
• Spurious rec. rejection
• IF image rejection
• Intermod. rejection
• IIP3
• Spurious emissions
• Noise Reduction system
• AF bandwidth
• Frequency response
• Distortion
• SND/D ratio (Analogue)
• SND/D ratio (AES3)
• POWER LEDs
(OLD display*)
39
:
N ⇒ option 470 ÷ 700 MHz
M ⇒ option 566 ÷ 798 MHz
:
40 groups of 60 channels fully user progr.
:
Up 240 MHz [1].
:
Microprocessor controlled frequency synthesizer circuit, with 25 kHz
minimum step. The frequencies is easily PC reprogrammed with the optional
UPK 300E/UPKmini Programming Kit.
:
< ± 2.5 ppm, in the rated temperature range
:
-10 ÷ +55 °C
:
FM, with de-emphasis.
:
±40 kHz (Max. operating dev. = ± 60 kHz).
:
With sturdy connectors.
:
50 ohm sma type (SWR < 1:2; typ. 1:1.4).
:
⇒ 2 μV ( 0 dBμV), for SND/N > 58 dB;
⇒ 5 μV (14 dBμV), for SND/N > 98 dB.
in the whole switching-window [2].
:
< 0.5 dB (RF input sig.: 6 dBμV ÷ 100 dBμV).
:
> 2.5 dB.
:
> 80 dB typical (for ch. spacing ≥ 400 kHz).
:
> 100 dB.
:
> 90 dB.
:
> 76 dB.
:
> +10 dBm typical.
:
< 2 nW (typical = 0.1 pW).
:
ENR / ENR-1.2 (Wisycom Extended-NR) , noise optimized
ENC / ENC-1.2 (Wisycom Extended-NC), voice optimized & with reduced
pre-emphasis
⇒ Others, compatible with most systems, thru an internal DSP emulation of
SA572, SA575 and Rms envelope compander chip set, fully user programmable
:
30 Hz ÷ 20 kHz.
:
± 0.5 dB in the 30 Hz ÷ 19 kHz range.
:
• MCR42S: 0.3 % typical • MCR42S2/S3: 0.1 % typical
:
110 dB typical [2]
:
• MCR42S: >125 dB typical2 • MCR42S2/S3: >140 dB typical2
:
2 multicolour RGB LEDs to easy indicate Rx1 & Rx2 power status:
- GREEN, if "Receiver ON" with external power supply;
- RED, if Empty battery/power supply;
LEDs blinking indicates power supply status of transmitter:
- slow blinking, at 25% battery capacity;
L* ⇒ option 470 ÷ 678 MHz
H* ⇒ option 590 ÷ 822 MHz
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