DTC Communications Inc. VMDTX100C 用户手册

18

Unit Dimensions (approx.)

2.50” x 1.85” x 0.44” (not including connectors) 64 mm x 48 mm x 11 mm

Chassis Connector - RF

SMA female

Operational Temp

-10 degrees C to 65 degrees C

Operational Relative Humidity

up to 95%

Input Voltage

6.0 to 18.0 VDC (reverse-polarity protected)

Power Consumption

~ 5 W for RF Out 100 mW, ~ 4.5 W for RF Out 50 mW, Sleep Mode < 0.5 W

8 hours+ (10 New Lithium AA Batteries)

PC Control Interface  

RS-232

Memory

16 user-programmable configurations

Compression Standard  

MPEG-2 (ISO/IEC 13818-2), MPEG-4 Part 2 (ASP) DVB-T Compliant

Line Standard

NTSC 525 or PAL 625

Profile

SP@ML

GOP Length

1 to 100, selectable

Chroma Formats

4:2:0, 4:2:2 (DVB-T only)

Video Bitrates

1Mbps to 10 Mbps

Video Latency

End to end delay of 54 milliseconds (for GOP length = 0)

Input

Stereo or Dual Mono pair

Encoding Modes:

32 kHz/12bit, 16 kHz/8bit, 8kHz/8bit (all Stereo or Mono)/MPEG Layer I, 32 kHz or 48kHz,

MPEG Layer II, 32 kHz or 48kHz

Bitrates

64 kbps to 448 kbps depending on configuration

THD

< 0.1% max

Response

20Hz to 15kHz, +/- 0.25dB depending on configuration

Crosstalk

> 55 dB min

S/N

60 dB RMS

Ancillary data format  

FBI standard ancillary data format

Standards

NTSC or PAL

Specification Rec.

ITU-R BT.470-4, SMPTE 170M

Horizontal Resolution  

720, 528, 480, 352 pixels

Vertical Resolution

480 (525 lines) or 576 (625 lines)

Connector

Multi-I/O

Composite PAL and NTSC decoding

Eight-bit comb filtering composite decoder

SDI Input

Standards

Per SMPTE 259M

DVB-T

Provider Name, Service Name

Narrow- & Ultra-Narrow Band Modulations

Unit Name