Last Update:  Dec 7, 2009

about CDG2000 TRX  
CDG2000 HF TRX by G3SBI & co (advanced trx project) MiniCircuits       (rf mixers, transformers, combiners,more)
PA3AKE  in dept  report, about 50 pages, on H-MODE  (March 2007)  
IK4AUY & I4FAF  H-MODE Mixer and CDG2000DX 200W TRX  experience      (years 2004 - 2006 -2009) INRAD   (Sells IF Cristal filters, mech., also for home brew)
IK4AUY  H-Mode mixers article     (QEX - ARRL  2004)  
CDG2000 by OZ9FW-OZ group experience & errata   CDG2000 builder  
CDG2000 by one of OZ group - OZ3QY & errata        CDG2000 builder W7AAZ IF/AGC high gain unit with 120 dB AGC range
H-MODE as in Experimental Methods in RF    (ARRL, 2003)  
PA3CKR has also tested H-Mode Mixer with FST3125  
JA9TTT a  report on 3 transformer and 2 transformer I7SWX version (july  2003)  
HA5BGL homebrew equipments and a    CDG2000 builder  
CDG2000 by ON4AEF      (SP7EWL wesite) Some RF semiconductor manufacturers, for data sheet  
I0SKK      (another CDG2000 builder)  
Analog switches as mixers (more links) ANALOG DEVICES          (Technical Library, data sheets)
G4OEP  Notes On Commutative mixers  
G3OOU  h-mode mixers layout exercise CALOGIC SD5000N (DMOS switches for High Lev. HF Mixer)  
  Fairchild FST3125M  (as HF High Level Mixer, see G3SBI)
about PIC A STAR project Fairchild FST3126M  (same above, direct switching logic)
G3XJP Peter Rhodes  PIC A STAR ALL     (complete story) ON 74FST3125
G6AK about PIC a STAR and more links Application note about FST BUS Switches
W4ZCB Harold Johnson Pic a STAR G3XJP beta tester Philips CBT3125/CBT3126 bus switches family
G3XYG one "PIC a  STAR" builder CBT3125  Philips Data Sheet
G3XJS   one more "PIC a STAR builder" SN74CBT3125D by Texas Instrument
G6ALU  Pic a Star builder Linear Systems (California) DMOS, fast switches like SD210
  Linear System Application Notes DMOS Analog Switch
  AppCad software by Agilent  vers. 3.0 or  2.5.1 other site
  Click here for TECH-LINK 1 LIST
  Click here for TECH-LINK 2 LIST
  GOOGLE                         (for general searches on the web)