Chapter 1. introduction – Norsat O3b 20W BUC User Manual
Page 4

CHAPTER 1.
INTRODUCTION
1.1
OVERVIEW
7020STC-O3b is a highly reliable and innovative Block Up-converter (BUC) specially designed for
O3B satellite communication uplink system. This equipment converts the IF signal (A: 1052-1788
MHz, B: 972-1871 MHz) to RF signal (A: 27.652-28.388 GHz, B: 28.172-29.071 GHz) with
maximum linear output power of 41dBm and saturated output power of 43dBm.
This manual provides the instructions necessary for operation and maintenance of 7020STC-O3b .
All user interfaces present in the BUC, as well as an exact description of the diverse signals in the
connectors of the BUC, will be described in this document. This manual also explains the RS-232
and Ethernet communication interfaces for 7020STC-O3b .
1.2
FEATURES
7020STC-O3b are comprised of IF, LO, Up-Converter, SSPA, and DC M&C as shown Fig. 1.
Figure 1. Functional Block Diagram of Ka-band 20W BUC
1.2.1 IF unit
© 2014 Norsat International Inc.
Page 4 of 25