WisyCom MTK952 Uživatelský manuál stáhnout pdf (Strana 7)

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

MTP30 Ultra-lite Wireless Professional Transmitter

TECHNICAL SPECIFICATIONS

Switchable channels

480 allocated by 8 groups of 60 channels (in the 470 ÷ 870 MHz range), quickly selectable with dedicated buttons

Switching window

Up to 200 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

MTP30 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-time and Recovery-time

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 MTP30-XYZ-O:

▪ AUDIO CONNECTOR (-X)

L 3 PIN LEMO CONNECTOR

(use FVB.00.003.NLN on Mic)

D 2 PIN MICRODOT CONNECTOR

▪ COLOR (-Y)

C body color "champagne"

B body color "matt black"

▪ OTHER OPTIONS (-O)

PHA Power on 3rd pin for PHA48

ADT Compatible with dummy batt. pack

EXAMPLE: MTP30 LB4 is 3 pin LEMO connector, color

matt black, and 630-730 MHz frequency range

▪ FREQUENCY RANGE (-Z)

1 470-560 MHz

2 518-606 MHz

3 558-678 MHz

4 630-750 MHz

5 700-822 MHz

6 770-870 MHz

Note: MTP30 transmitter complies with ETS 300 422

1 2 3 4 5 6 7 8 9 10 11 12 ... 25 26

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