User's Manual

Specifications published here are current as of the date of publication of this document. Because we are continuously improving our products, Axcera reserves the right to change specifications without prior notice. At any time, you
may verify product specifications by contacting our office. Axcera views it’s patent portfolio as an important corporate asset and vigorously enforces its patents. Products or features contained herein may be covered by one or more
U.S. or foreign patents.
0601R5 © 2006 AXCERA All Rights Reserved An Equal Opportunity Employer
103 Freedom Drive, PO Box 525, Lawrence, PA 15055 t: 724-873-8100 f: 724-873-8105
General
Model Number DT325B DT330B DT334B DT335B-1.4 DT335B-1.7 DT335B-2.1
DT425B DT430B DT434B DT435B-1.4 DT435B-1.7 DT435B-2.1
Power Output (Watts) 350 500/700
2
1050 1400 1750 2100
Output Connector
N N/1
5
/
8
”
EA 1
5
/
8
”
EIA 3
1
/
8
” EIA 3
1
/
8
” EIA 3
1
/
8
” EIA
Power Consumption (Watts) 2250 4250 6250 8250 10,250 12,250
Number of PAs 1 2 3 4 5 6
Input Power
Line Voltage (Volts)
1
208 or 240 ± 10%
Power Requirements Single Phase, 50 or 60 Hz
Size (H x W x D) 69”x22”x34” 69”x44”x34”
Operational Temperature Range 0 to +50°, derate 2°C/1000 ft.
Maximum Altitude
1
8500 feet (2600m) AMSL
Operational Humidity Range 0% to 95% non-condensing
RF Load Impedance
50 Ω
1 Consult factory for other frequencies, altitudes and line voltages
2 Available with 700 W Filter Option
DT300B/DT400B Series
Low Power VHF DTV Transmitters/Translators 350W - 2.1kW
Performance
Frequency Range
1
Low Band 54 to 88 MHz
High Band 174 to 216 MHz
Output Impedance 50
Ω
Frequency Stability ±250Hz
(Max 30 Day Variation)
Regulation of RF Output Power 3%
Out of Band -Compliant with FCC Mask
2
Channel Edge ±500kHz -47 dB or better
6MHz from Channel Edge -110 dB or better
Signal to Noise (SNR) 27 dB or better
Data Interface
Input Rate 19.39 Mbps. 6MHz channel
Input Interface SMPTE 310M, Serial Differential
ECL and TTL
Test Signals Staircase, VSB Pilot, Zero Pilot,
Average Power Pilot,
Nyquist Waveform
Options
Dual Exciter with Automatic Switcher
Adaptive Exciter
AC Surge Protector
Precise Frequency Kit
Spare Parts Kit