WisyCom MTK952 Manual de usuario descargar pdf (Pagina 11)

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

MTH300 Handheld Wireless Professional Transmitters

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 ppm (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 (note: In some countries high power can be disabled, for local norm!)

▪ 10 mW (ERP) when low power selected (to respect some local norm)

Spurious emissions

< 2 nW

Modulation

wideband FM, with 50 µs pre-emphasis

Nominal deviation

±40 kHz (Peak deviation = ±56 kHz)

Telemetry feature

MTH300 transmits also a digitally modulated sub-carrier, suitable for:

▪ tone-squelch operating

▪ remote battery monitoring

▪ optional PTT (push to talk) operation

AF input connection

Directly interchangeable microphone-heads

AF input level

-60 ÷ +0 dBu nominal, quickly settable by steps of 2 dB with dedicated buttons

Max. input level

+6 dBu

Max sound pressure

150 dB SPL (0,5% THD), with MCM301/MCM302/MCM303/MCM304/MCM305 condenser-heads

Noise-Reduction

ENR (Wisycom Extended-NR), with independent Attack- 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 40kHz deviation

typ. 121 dB (A)

rms

with 56kHz 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) 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)

Power supply

2 AA size cell (Alkaline, rechargeable NiMH)

Battery life (alkaline)

approx. 11 hours @ 50mW continuous working; up to 14 hours @ 10mW

Dimensions

 body max. diameter 33 mm (without microphone-head)

 total length 183 mm (without microphone-head)

Weight

Approx. 300g, including battery and MCM301 (condenser) mic-head ( approx. 260g batteries excluded)

Note: The above technical specifications refer to the MTH 300 “transmitter” section. The acoustic specs are relevant to the

microphone-head used. The MTH 300 transmitter complies with ETS 300 422.

Before putting the device into operation,

please observe the respective country-

specific regulations

OPTION CODE MTH300-YZ-O:

▪ COLOR (Y)

C body color "champagne"

B body color "matt black"

P body color titanium gray, (ceramic coating)

▪ OTHER OPTIONS (-O)

EXAMPLE: MTH300 B4 is 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

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 25 26

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WisyCom MTK952 Manual de usuario Pagina 11

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