Broadcast Sports Inc 1360 Blair Drive Suite A Odenton MD 21113 (410) 672 3900 HUB97 Theory of Operation Version 0.1 5/13/2004 N.
Revision History Version 0.1 Date 04/19/2004 Author N. Pederson Comments First Draft Broadcast Sports Inc Model HUB97 FCC ID:KTB-HUB97 Broadcast Sports Inc Model HUB97 FCC ID: KTB-HUB97 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions; (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
INTRODUCTION The HUB97 is a portable video transmitter specifically designed to meet the growing needs of the mobile television broadcast industry. The unit is TYPE ACCEPTED per CFR 47, Part 74, Subpart F and functions as a stand alone transmitter for a TV ENG station. The transmitter has 16 preset channels including those in the RF ENG 2.0 GHz. and 2.5 GHz. bands as well as 2 channels in the 2.3 GHz. band.
When the bottom LED is illuminated, the RF power amp is enabled. HUB97 Transmitter Specification TYPICAL SPECIFICATIONS Video Characteristics Video Input Frequency Video Input Impeadence Video Input Level Video Pre-emphasis DC to 5.5 Mhz. 75 ohms unbalanced 1 Volt p-p CCIR 405-1 525 Audio Characteristics Channel 1 and 2 Audio Bandwidth Audio Input Impeadence Audio Pre-emphasis Sub crrier Deviation Sub Carrier Frequency 20 to 15 kHz 24k ohms 50 microseconds 150 kHz @ 1000 Hz 4 Mhz. to 7 Mhz.
