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DM-3000D ISDB-T EXCITER

 All-band direct conversion for RF signal output

Synthesizer tuned to all channels in VHF/UHF band

Signal quality monitoring

Simplicity MER and IM monitoring is implemented

Parameter bank

Instant call out of user settings from 15 parameter banks

 Adaptive digital correction

 Automatically IMD adjustment and optimize

Free from daily maintenance of the IMD adjustment

Easily acquisition of the compensation of frequency response

IIP decording and SFN-Delay function is implemented

Including SFN function

Features

http://www.nec.com/global/prod/nw/broadcast/ 

NEC Corporation

8/19/2019 DM-3000D

2/2

E X C I T E RENT

REMOTE

D M 3 0 0 0LOCAL

ALARM

WARNING

EX IN USE

UP

DN   E S C C O NF IG L OC K L O CA L

STATUS PARAMETER ALARM

DM-3000D ISDB-T EXCITER

Cat.No. H01-11080008E

Front View

Specifications

Input

Output

Control

Power Supply

Power Consumption

Dimensions

Weight

 ASI IN

CLK IN

Fsync IN

10MHz IN

1 PPS

RF FB IN

RF OUT

RF MON

LO MON

REMOTE

RS232C

LAN

TS Input

System Clock

Frame synchronous signal

RF Reference

from GPSfor SFN

RF feedback signal from TX output

 VHF: 170 to 230MHz, UHF: 470 to 862MHz

Bandwidth: 6MHz, 8MHz

RF output monitor

Sine Wave

 VHF: 170 to 230MHz, UHF: 470 to 862MHz

(Center frequency of channel bandwidth)

Parallel status/command

serial RS485 control

For device configuration

For device configuration

100 to 240 V AC 50/60Hz

Less than 100W

44(H) × 480(W) × 520(D) mm

 Approx. 8kg

DVB-ASI

10MHz or 512/63MHz (selectable)

10MHz0dBm

512/63MHz0.8Vp-p

0.8Vp-p

10MHz, -3dBm to +3dBm (Sine Wave)

TTL level

+3dBm to +10dBm

+10 dBm max. (0 to +10dBm adjustable)

20 dB lower than RF OUT

+0 dBm ± 6 dB

connect to an upper management system

(maintenance use only)

(maintenance use only)

BNC 75Ω

BNC 75Ω

BNC 75Ω

BNC 50Ω

BNC 50Ω

BNC 50Ω

BNC 50Ω

BNC 50Ω

BNC 50Ω

Dsub15S

Dsub9P

RJ-45

© 2011 NEC Corporation. NEC and the NEC logo are registered trademarks of NEC Corporation.

NEC Corporation

 Americas and EMEA Sales Division

Greater China and Asia Pacic Sales Division

Broadcast and Video Systems

7-1, Shiba 5-chome, Minato-ku, Tokyo,

108-8001, Japan

Tel: +81-3-3798-5463

Fax: +81-3-3798-8476

NEC Europe Ltd.

Network Solutions Division

NEC House, 1 Victoria Road, London

W3 6BL, United Kingdom

Tel: +44-(0)20-8993-8111

Fax: +44-(0)20-8752-3735

NEC Asia Pacic Pte. Ltd.

No. 1 Maritime Square

#12-10 HarbourFront Centre

Singapore 099253

Tel: +65 6278 1818

Fax: +65 6271 2088

NEC Latin America S.A.

 Av. Paulista, 2.300

01310-300 Sao Paulo, SP

Tel: +55 (0) 11-3151-7000

Fax: +55 (0) 11-3151-7218

To install, make connections and operate this product, please carefully read and observe instructions,precautions and recommendations in our instruction manuals.

 The colours in this brochure may differ from those of the actual unit. Designs and specications of this product is subject to change without prior notice.

Safety precautions