[hpsdr] [OT] Rohde & Schwarz I/Q Modulation test Generator AFQ100A

[KA2WEU at aol.com]

This is made by my company, fun device..
 
73 de Ulrich , N1UL 
 
 
 
 
In a message dated 9/26/2006 5:58:50 P.M. Eastern Daylight Time,  
n9vv at sbcglobal.net writes:

Cool -  I/Q signal generation test gear :-)

<URL:  
http://www.rohde-schwarz.com/www/dev_center.nsf/frameset?OpenAgent&website=com
&navig=/www/dev_center.nsf/html/nav,10,11,111,1117&content=/www/dev_center.nsf
/html/afq100a  
>

Key Facts

Digital communications systems are rapidly  evolving today, calling for 
test equipment that can meet the new  challenges they present.

An important component of such test equipment  is a flexible baseband 
source that allows development and production tests  to be performed on 
state-of-theart receivers for a variety of standards. A  self-contained 
baseband source must fulfill a wide range of signal  requirements. Plus, 
it needs variable digital and analog outputs in order  to directly 
operate the DUT. Used as a modulation source for vector signal  
generators, the R&S AFQ100A provides I/Q signals that offer all the  
sophistication of modern communications standards for generating the  
required RF signal.

* Broad scope of  applications
o Variable memory  clock rate (1 kHz to 300 MHz) can be 
optimally adjusted to the useful  signal
o Maximum I/Q bandwidth of  up to 100 MHz for an RF bandwidth 
of 200 MHz
o Long signal duration at 256 Msample or 1  Gsample
o Analog I/Q outputs  (balanced and unbalanced) and optional 
digital outputs
o Variable output level at the analog  outputs
o Multisegment waveform  reduces switching time between 
different signals; no reloading  required
o Optimum memory use due  to integrated clock rate converter 
and memory granularity of 1
o Shiftable markers without disrupting and  recalculating the 
output signal

* Outstanding  signal quality
o Excellent  spurious free dynamic range (SFDR) of typ. 83 dBc 
(1 MHz signal at 100 MHz  bandwidth)
o Frequency response  typ. 0.05 dB across 100 MHz I/Q bandwidth
o Versatile impairments
- Settable skew with 10 ps resolution to allow exact  
adjustment of different cable lengths
- Gain and offset for I and Q can set  independently
- Phase  error
o Loadable equalization to  compensate for external components 
such as I/Q modulators
(minimum frequency response in realtime  across all 
components involved)
o Adjustment of DC offsets by biasing the differential I/Q  
outputs

* Connectors and operation
o Remote control via GPIB, USB and  LAN
o User interface via external  monitor or Windows XP Remote 
Desktop
o R&S WinIQSIM™ for controlling the R&S AFQ100A and  
generating test signals in line with different standards
o Direct control via MATLAB®
o USB connectors for USB equipment (keyboard,  mouse, memory  
stick)

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