WisyCom MTK952 Manual de usuario descargar pdf (Pagina 9)

Wisycom Srl - Via Spin, 156 - I-36060 Romano d’Ezzelino (VI) - Italy

tel. +39 0424 382605 fax. +39 0424 382733 http:// www.wisycom.com - e-mail: [email protected]

Subject to change without notice

MTP40 Ultra-lite Wireless Professional Transmitter

TECHNICAL SPECIFICATIONS

Switchable channels

2400 allocated by 40 groups of 60 channels (in specific frequency range), quickly selectable with dedicated buttons

Switching window

Up to 232 MHz, depending on band (see below code table)

Frequencies

Quartz PLL frequency synthesizer circuit (25 kHz step)

Frequency stability

▪ ± 2,5 pap (in the rated temperature range)

▪ ± 2.5 kHz (in the rated temperature range)

Temperature range

-10 ÷ +55 °C

Max RF power

▪ 50 mW (ERP) when high power selected

▪ 10 mW (ERP) when low power selected

Spurious emissions

< 2 nW

Modulation

wideband FM, with 50 µs pre-emphasis

Nominal deviation

±40 kHz (Peak deviation = ±56 kHz)

Telemetry feature

MTP40 transmits also a digitally modulated sub-carrier, suitable for:

▪ tone-squelch operating

▪ remote battery monitoring

▪ optional PTT (push to talk) operation

AF input connector

LEMO option

Configurable on ‘mic’ display menu in 3 options:

▪ ’2 wires’:  gain selectable -40 ÷ +40, no bias voltage

▪ ‘2 wires + bias’:  gain selectable -20 ÷ +40, 5.5 V bias voltage (4k7 internal resistance)

▪ ‘3 wires + bias’:  gain selectable -20 ÷ +40, 5.5 V bias voltage (4k7 internal resistance)

AF input level

80 dB adjustable range from -60 dBu (775 uV) to 20 dBu (7.75 V) at nominal deviation (1 kHz), adjustable in 2 dB steps

Max. input level

+26 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level

Noise-Reduction

ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimized

ENC (Wisycom Extended-NC), with independent Attack- and Recovery-time, voice optimized & with reduced pre-emphasys

AF bandwidth

▪ 45 Hz ÷ 21 KHz (3dB)

▪ 55 Hz ÷ 20 KHz (1dB)

Distortion

< 0.3 % (0.15 % typ.)

Signal-to-noise ratio

▪ typ. 115 dB (A)

rms

with 40 kHz deviation

▪ typ. 121 dB (A)

rms

with 56 kHz deviation

Led

Led indication with bicolor led (red & green) on wireless power switch:

▪ Wireless transmission status: GREEN on/off

▪ Battery lifetime status: GREEN - steady (> 25%)

- slowly blinking (< 25%) - quickly blinking (<12%)

▪ Modulation peek (if activated): RED

▪ Ptt status: RED if active

Display

High contrast OLED (Organic light-emitting diode) bicolor display (96 x 36 pixels)

8 step battery lifetime indication: 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining)

PTT function

Pin 3 of the AF connector can be setup to an external push button

Power supply

2 AA size batteries (Alkaline, rechargeable NiMH)

Battery life

(2 AA alkaline)

▪ approx. 10 hours @ 50mW continuous working

▪ approx. 14 hours @ 10mW continuous working

Dimensions

73 x 61 x 17.5 mm (Height-Width-Depth) without clip

Weight

Approx. 80 g. without batteries (120g with batt.)

GND

5.5V

(3 wires)

AF + 5.5V (2 wires)

Option L Lemo Conn.

OPTION CODE MTP40-XYZ-O:

▪ AUDIO CONNECTOR (-X)

L 3 PIN LEMO CONNECTOR

(use FVB.00.003.NLN on Mic)

D 2 PIN MICRODOT CONNECTOR

▪ COLOR (-Y)

B body color "matt black"

P body color “titanium gray” (ceramic coating)

▪ OTHER OPTIONS (-O)

ADT Compatible with dummy batt. pack

EXAMPLE: MTP40 LBL is 3 pin LEMO connector, color

matt black, and 470-638 MHz frequency range

▪ FREQUENCY RANGE (-Z)

L 470-638 MHz

M 566-798 MHz

U 730-952 MHz

Note: MTP40 transmitter complies with ETS 300 422

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WisyCom MTK952 Manual de usuario Pagina 9

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