Technical Specifications - WisyCom MSR916 User Manual

 Switchable channels
 Channel groups
 Switching-window
 Frequencies
 Frequency error
 Temperature range
 Modulation
 Nominal deviation
 "A" / "B" antenna inputs
 Sensitivity (ENR)
 Amplitude response
 Co-channel rejection
 Adjacent chan. selectivity
 Spurious rec. rejection
 IF image rejection
 Intermodul. rejection
 Spurious emissions
 Squelch
 Squelch-controlled DC output-
power
 "Noise reduction" system
 AF line output
 AF output level
 AF bandwidth
 Distortion
 SND/N ratio (ENR)
 Monitor output
 Monitor output level
 Diversity technology
 Remote diversity function

TECHNICAL SPECIFICATIONS

: 16 + 16 preset in the 150 ÷ 250 MHz (VHF) or 470 ÷ 880 MHz (UHF) range (others on
request).
:
2, externally selectable.
:
15 MHz (VHF); 32MHz (UHF).
:
microprocessor controlled PLL frequency synthesizer circuit, with 25 KHz
minimum step.They can be easily user-reprogrammed by PC and optional
"UPK32 or UPK100 Programming kit".
:
< ± 5 ppm, in the rated temperature range
:
-10 ÷ +55 °C
:
FM, with 50 µs de-emphasis.
 ±20 kHz @ 1 kHz. (Max. deviation = ±75 KHz).
:
 ±40 KHz @ 1 kHz (Peak deviation = ±60 KHz).
with N-F connectors.  RF input impedance = 50 ohm (SWR < 1:2; typ. 1:1.4).
:
 < 2 µV ( +6 dBµV), for SND/N = 84 dB [1],
:
 < 10 µV (+20 dBµV), for SND/N = 96 dB [1], in the whole switching-range.
:
< 0.2 dB (for RF input signal between +4 dBµV ÷ +120 dBµV).
:
> -3.5 dB @ 2 µV RF; > -1.5 dB @ 100 µV RF.
> 90 dB (for channel spacing  400 kHz).
:
:
> 93 dB.
:
> 98 dB.
 IIP3 (Input 3°-order Intercept Point) = +9 dBm.
:
> 76 dB.
:
< 10pW (typ. = 0.1 pW).
 field-strength:
:
with externally adjustable threshold and adaptive-mode working (the receiver adapts
itself to the different situations of medium signal-strength levels and fading-speeds).
 tone-squelch:
with decoding of the matching sub-carrier, digitally modulated, generated by the
relevant transmitter. This function can be switched-off for the compatibility with other
brand TXs.
:
is controlled by the squelch circuit. When the AF output line is active, the DC input-
power is connected to pin 2 of the XLR4-M - DC input-connector on rear-panel (max
current = 2A).
:
: compander circuit, can be internally pre-set to (or eventually switched off) on
following modes:
 ENR (Wisycom Extended-NR;
 NR (standard NR), to be compatible with other systems.
transformer balanced, floating.  Output impedance = < 50 ohm.
:
:
+10 dBu (2450 mVrms), @ ±40 KHz deviation
20 Hz ÷ 20 kHz.  Frequency response = ±0.5 dB (±0.2 dB typ.) in the 30 Hz ÷ 20 kHz
:
range.
:
< 0.3 % (0.15 % typ.) @ ±40 KHz deviation (< 0.5 % @ peak deviation).
:
> 105 dB (115 dB typ.) [1].
:
¼" (6.3 mm) stereo jack connector, mono wired, on the front panel.
max 3 Vrms / 200 ohm, with volume control.  Monitor output impedance = 35
:
ohm.
:
true-diversity (Twin receiver circuits, with high-speed and low-noise electronic
switching).
:
the MSR916 receiver, along with audio signal on the line-output, is signalling also the
RSSI level. A Centralized Automatic Selector (i.e.: RDA41, suitable for 4 remote
receivers) can use this voting information to use in any time select the best audio
signal.
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