*) IEM RECEIVER

1. 개요

본 기기는 인이어 시스템에서 사용하는 수신기로 다음과 같은 규격에 준한다.

2. 기능 및 특성

Up to 232 MHz bandwidth in 470/798 MHz range

TRUE DIVERSITY RECEIVER with 2 whip antennas

200 mW peak audio power

Separate release/attack compander

Miniature design with 2 AA battery pack integrated (body-pack form factor) or rechargeable lithium pack

Easy to use thanks to an OLED display

Dedicated function buttons & frequency scan function

Automatic receiver programming thru infrared and micro-USB

FM Stereo mode for MPX decoding with mix-mode function

FM IFB mode with NARROW-BAND modulation to enhance noise immunity and coverage (SW selectable)

3. 규격 및 사양

Frequency ranges

- N option 470 - 700 MHz

- M option 566 - 798 MHz

- other ranges are available on request in 470 - 798 MHz

Switchable channels	: 40 groups of 60 channels fully user	programmable

Switching-window	: up 232 MHz

Frequencies	: microprocessor controlled frequency synthesizer	circuit, with 25 kHz minimum step. The	frequencies can be easily PC reprogrammed with	USB interface of optional UPKmini/UPK300E	Programming Kit.

Frequency error	: < ± 2.5 ppm, in the rated temperature range

Temperature range	: -10 ÷ +55 °C.

Modulation	: FM, (stereo MPX decoding, 19 kHz sync	carrier) or 100 kHz narrowband IFB (SW	selectable)

Peak deviation	: ±48 kHz

“A” / “B” antenna in	: with sturdy connectors

Antenna input imp.	: 50 ohm sma type (SWR < 1:2; typ. 1:1.4)

Sensitivity	: 2 μV ( 6 dBμV), for SND/N > 52 dB; in the	whole switching-window

Co-channel rejection	: > 2.5 dB

Adjacent chan. Sel.	: > 80 dB typical (for channel spacing ≥400kHz)

Spurious rec. Rej.	: > 100 dB

IF image rejection	: > 90 dB

Intermod. rejection	: > 76 dB

IIP3	: > +10 dBm typical

Spurious emissions	: < 2 nW (typical = 0.1 pW)

Noise Reduction	: ENS (new)

AF bandwidth	: 30 Hz - 15 kHz

Frequency response	: ± 0.5 dB in the 30 Hz - 15 kHz range

Distortion	: 0.3 % typical

SND/D ratio	: 90 dB typical

Stereo separation	: > 60 dB

Display	: Display OLED 128x64 (white)

Powering	: 2 x IEC-LR6 1.5V size-AA alkaline or	rechargeable elements

Weight	: 100 g approx. without batteries

Headphone-output	: Stereo Plug 3.5mm(TRS) Locking (M6 x 0.5	thread) with 2 X 100mW @ 32 Ohm

Battery life	: approx. 4,5 hours (alkaline batteries),	6 hours (lithium batteries)

* MPR50-IEM 동급이상품