ENG Truck Systems
Page 1
Digital and Analog
Digital ENG Truck System
Microwave Equipment for ENG truck systems must be rugged, compact, reliable, easy to operate, and
offer the performance and agility required to deliver the story. Truck systems built by BMS are designed
expressly for the demanding environment of field ENG use.
Truck system packages purchased from BMS include all mating connectors for your installation or may be
supplied directly to your truck system integrator.
BMS now offers the most powerful digital ENG truck system comprised of a BMS Truck-Coder II and BPA-10CC
10 Watt power amplifier.
The Truck-Coder II is a compact rack mountable device dedicated to set up wireless digital transmission of audio,
video, and data signals. This easy to operate system includes 4:2:0/4:2:2 MPEG-2 encoding, COFDM digital
modulation, and RF amplification. The Truck-Coder II features pre-defined or user selected operating modes
designed to achieve the best trade off between robust transmission, video quality, and end to end delay. This
system is ideal for fixed, portable, and mobile applications for non-line-of-sight operation.
Analog ENG Truck System
The backbone of the analog ENG truck system is the
high power BMT75 Series Transmitter. It offers a versatile transmit package for all vehicle applications
while being cost and space efficient. This transmitter is mounted at the antenna to minimize RF loss.
Inside the truck, BMS’ TCP-100 control panel offers
a compact, (1 RU), intuitive interface. This control
panel can control dual transmitters mounted at the
antenna providing redundant systems or simultaneous dual band operation.
Video, audio, DC power, and pedestal controls are fed through at 0.5” maximum diameter cable bundle from the
TCP-100 to the mast-mounted transmitter. This leaves room for additional cables within the Nycoil™ sheath to
control operational mast-mounted equipment such as POV camera, off-air antenna, etc. using a .75” to 1.25”
diameter Nycoil™.
Transmitters operate from 11-32 VDC and require 2.5-7.5 amperes, (voltage dependent), per transmitter. BMS
recommends operation at 24-28 VDC to avoid voltage dropping below 12 VD at the top of the mast. A BVC-1228-5A Voltage Converter can be supplied for 12 VDC operation, or a TPS100-28-6A rack mount power supply for
AC operation.
Broadcast Microwave Services, Inc.
12367 Crosthwaite Circle - Poway, California 92064 - U.S.A.
Tel: +1-858-391-3050, Toll Free (U.S.): 800-669-9667
Fax: +1-858-391-3049, Website: www.bms-inc.com
E-mail: sales@bms-inc.com
Digital ENG Truck System
Page 2
Specifications
Truck-Coder II (TCII) System
Control Unit Interface
Frequency Range
(250 KHz Resolution)
1.99-2.5 GHz
2.3-2.7 GHz
6.425-6.525 GHz
6.875-7.125 GHz
Power Output Digital
(All Mod Modes)
1.99-2.7 GHz (6 W HI, 1 W LO)
6.425-7.125 GHz (2.5 W HI)
Power Output Analog
1.99-2.7 GHz (12 W Max)
6.425-7.125 GHz (6 W Max)
Channel Plans
User Selectable & Configurable
(Pre-programmed for 12 & 17 MHz)
Spurious
Below -65 dBc
System Power Requirements
Digital Video In
SDI with Embedded Audio
(SMPTE 259C CCIR 601)
Analog Composite Video In
NTSC or PAL
Analog Component
Video In
YUV (Optional)
Audio (Analog) In
2 Channels, +9 dBm into 600 ohm Bal.
ASI In
75 ohm (HD Capable)
ASI Out
Encoder Output, 75 ohm, BNC (f)
RS-232 Side Data CH.
1200, 4800, 9600 Baud Selectable
IF In
70 MHz, 0 dBm, 75 ohm
Main Out to RF Head
70 MHz IF Output w/ Control & Power
Environmental Characteristics
70 MHz Aux. Out
IF Output, 0 dBm, 75 ohm, BNC (f)
Temperature
-20 to +55°C (Oper.); -30 to +70°C (Stor.)
Serial Port
RS-232 for External Control, 1200 Baud
Relative Humidity
98% NC
Ethernet (Front & Rear)
Support for External Web Control
Altitude
15,000’ ASL (Oper.); 50,000’ ASL (Stor.)
COFDM Modulator
Power Input
105-260 VAC 50/60 Hz Standard
Consumption
150 W Max.
Control Unit Physical Characteristics
Bandwidth
6, 7, 8 MHz Selectable
Dimension/Weight
Constellation
QPSK 16 QAM, 64 QAM
Parameters
Selectable Data Rate, Guard Interval,
and FEC Rate
2 RU: 3.5” x 19” x 16” deep / < 12 lbs.
MPEG Encoder
MPEG-2 4:2:0 SP@ML
1.5-15 Mb/s; 0.1 Mb/s Resolution
MPEG-2 4:2:2 MP@ML
1.5-32 Mb/s; 0.1 Mb/s Resolution
Carriers
2k Per DVB-T (ETSI EN 300744)
Audio Sampling Rates
32, 64, 128, or 192 kb/s per Channel
Encryption
GOP Structure
Variable GOP
Proprietary 6 Digit PIN Code
(BISS-E Optional)
System Delay
80 mS (Lowest End to End)
FEC
Reed-Soloman, Viterbi
FM Modulator
Video Performance
Return Loss
26 dB (10 Hz to 5 MHz)
Video Deviation (MHz)
4.0/17 MHz Ch.; 3.5/12 MHz Ch.
VSNR (FM Analog
Operation at 12 MHz)
2 GHz 63 dB Typical (60 dB Min.)
7 GHz 63 dB Typical (61 dB Min.)
Video Pre-Emphasis
Per CCIR Recommendation 405
Audio Pre-Emphasis
(FM Only)
75 Micro-seconds, 50 Micro-seconds,
Optional
Audio Subcarriers
(NTSC)
Menu Selectable:
17 MHz = 4.83, 5.8, 6.2, 6.8, 7.5 MHz
12 MHz = 4.83, 5.5 MHz
± 75 kHzp
VSNR (COFDM Digital at 2, 7 GHz; 67 dB Typical
8 MHz)
Outdoor RF Unit
RF Output Connector
50 ohm, N(f)
Operating Voltage
48 VDC
Audio Deviation
Power
≤ 4A @ Max. Output
Channelization
Cooling
Integral Heat Sink
Channel Plan
Temperature
-20 to +55°C (Oper.); -40 to +80°C (Stor.)
30 Ch. per BAS Relocation Plan
User Selectable & Programmable
Relative Humidity
100%
Source
Digital Frequency Synthesizer
Dimension/Weight
14” x 9” x 3.5” / 12 lbs.
Freq. Stability
± 0.0005%
Altitude
15,000’ ASL (Oper.)
Broadcast Microwave Services, Inc.
12367 Crosthwaite Circle - Poway, California 92064 - U.S.A.
Tel: +1-858-391-3050, Toll Free (U.S.): 800-669-9667
Fax: +1-858-391-3049, Website: www.bms-inc.com
E-mail: sales@bms-inc.com
ENG Truck System
Page 3
Digital (cont.) & Analog Specifications
Technical Characteristics
BPA-10CC
Outline Drawings
Frequency
1.99-2.5 GHz
Power
10W Average COFDM
Input Voltage
28 VDC, 8 Amps at 10W with Fans
Gain
52 dB (-13 dBm input for Po=10W) (Can Be Factory Set
From 40 to 55 dB)
Gain Flatness
± 1 dB Over 500 MHz
Gain vs. Temp
± 1 dB Over Temperature
Operating Temperature
-20° to +50°C
Storage Temperature
-40° to +90°C
Dimensions
~9.5” x 5” x 4” (Includes Heatsink & Fan)
(~24 x 12.7 x 10 cm)
Weight
~8 lbs (includes Heatsink & Fan)
(~3.6 kg)
RF Input
Type “N”
RF Output
Type “N” Isolator Protected
Shock Mount Pate
9.85” x 7.50”, Drilled for Easy Installation
(25.019 x 19.05 cm)
Antenna Selection (Analog)
BMS offers a family of antennas to suit your requirements which are available in single polarity, dual polarity, 4-polarity, and dual
band operation. The most popular are the BMA-20/30 Offset Feed Antenna and the BMA-2/4 Truncated Parabolic Antenna.
In choosing the right antenna, characteristics must be considered regarding gain and beamwidth versus size/weight and aerodynamic loading. Higher gain is desirable to maximize distance. However, with higher gain comes larger size. Beamwidth is important in determining required aiming accuracy. Beamwidths narrow with larger size antennas and higher frequencies. Low-profile
stowage for transport must also be considered. All BMS antenna mounts allow stowage at 90 degrees.
Options include SMPTE color bar generator with 16 character ID, dual audio tone generators and a video detector that will remotely turn the transmitter on when video is present.
Antenna
Frequency
Az HPBW
EL HPBW
Gain
BMA-15/30 BMT75-9P
Fixed 6W
2.0-2.5 GHZ
7.0 GHz
14°
4°
28°
8°
19 dBi •TPS-100-28-6A (AC to 28 VDc Converter)
24 dBi •HS-75 Heatsink
•Custom Nycoil™ Assemblies
BMA-20/30 BMT75-7P
3/12W Hi/Low
Offset
2.0-2.5 GHz
7.0 GHz
15°
4°
24°
7°
20 dBi •BVC-12-28-5A (12 to 28 VDC Converter)
30 dBi
BMT75-5P
2.0-2.5 GHz
3/12 W Hi/Low 7.0 GHz
9°
2.5°
19°
5°
23 dBi •TCP-100 (Custom Control Panel)
34 dBi •Nose Guard to Protect Feed
•Options: Color Bar Generator, Dual Audio
Tone Generator, Auto-Tx with Video Detect
BMA-2/4
Transmitter
Accessories
Broadcast Microwave Services, Inc.
12367 Crosthwaite Circle - Poway, California 92064 - U.S.A.
Tel: +1-858-391-3050, Toll Free (U.S.): 800-669-9667
Fax: +1-858-391-3049, Website: www.bms-inc.com
E-mail: sales@bms-inc.com
Analog ENG Truck System
Page 4
Specifications
BMT75 Series Transmitter Specifications
RF Characteristics - For Frequency Range
and Number of Channels See Ordering Information
Subcarrier Characteristics
Subcarrier Frequencies
4.83 to 8.59 MHz, Factory Set
Freq, Stability - Standard
± 0.002%
Subcarrier Injection Level
-25 dBc to -30 dBc
Freq. Stability - Optional
± 0.001%
Signal to Noise
65 dB
RF Output Power
See Ordering Information
Harmonic Distortion
1% Max
RF Output Impedance
50Ω, SMA Connector
Modulation Type
FM
RF Output Protection
Open/Short/Indefinitely
Modulation Response Standard
50 Hz to 15 kHz
Spurious Output
-53 dBc Max
Modulation Response Standard, Pre-emphasis
75 µsec
Modulation Response Standard, Sub. Deviation
75 kHzp
Modulation Response Optional
50 Hz to 50 kHz
Modulation Response Optional, Pre-emphasis
50 µsec, None
Modulation Response Optional - Sub. Deviation
100 kHzp, 125 kHzp
Modulation Characteristics
Modulation Types
FM
Modulation Response Standard
NTSC, 525 Lines
Modulation Response Optional
PAL, SECAM, or FLAT
Pre-emphasis - Standard
CCIR 405, 525 Lines
Pre-emphasis - Optional
625 Lines or None
Modulation Sensitivity
± 4 MHz/1 VPP @ Crossover Frequency
Ordering Info
BMT75-5P
BMT75-7P
BMT75-9P
Freq. Range
1.9-2.11 GHz
1.99-2.5 GHz
6.4-7.2 GHz
Modulation Input Impedance
75Ω Unbalanced
No. Channels
21
30 (64 Int’l)
42
Baseband Input
1 Vpp
RF Power Out
12/3W
12/3W
6W
FCC Identifier: CNV75K-BMT75-5P, -7P, -9P
•Part 21.801 (b) - Common Carrier
•Part 74 - Auxiliary Broadcast Services
•Part 78 - CARS Services
Available Accessories:
•TCB-100 Control Box for Remote Channel Select
•TCP-100 Truck Control Panel
•HS-75 Heatsink for all Series 75 Models
•HSF-75 Heatsink/Fan for all Series 75 Models
•HCP-50/HCP-100 Helicopter Control Panels for
Remote Channel Select
Package size and connectors may vary.
All Data Subject to Change Without Notice
4/21/2006
Broadcast Microwave Services, Inc.
12367 Crosthwaite Circle - Poway, California 92064 - U.S.A.
Tel: +1-858-391-3050, Toll Free (U.S.): 800-669-9667
Fax: +1-858-391-3049, Website: www.bms-inc.com
E-mail: sales@bms-inc.com