User contributions
3 May 2024
CD&F (Siren Controller)
Fix caption in timer module section
m-6
CD&F (Siren Controller)
Add tone filter tuning info and some minor cosmetic adjustments
+4,078
26 April 2024
CD&F (Siren Controller)
Forgot pin number
m+3
CD&F (Siren Controller)
Fix small formatting/spelling and add scope images
m+173
File:Cdf timer rc scope2.png
Scope view of the RC oscillator on the CD&F Timer
File:Cdf timer RC scope.png
Scope view of the RC oscillator on the CD&F Timer
23 April 2024
CD&F (Siren Controller)
Add pinouts of daughterboards, more info on cycle timer functionality
+1,135
CD&F (Siren Controller)
Add info about cycle timer module and sections for pinouts
+2,290
17 April 2024
Industrial
Device Index: Add CD&F article link
m+29
CD&F (Siren Controller)
Initial creation of page
File:Cdf relay driver schematic.png
(Hopefully correct) schematic of the CD&F relay driver board
File:Cdf relay driver back.jpg
Backside of the relay driver board for the CD&F
File:Cdf relay driver top.jpg
Relay driver board from the CD&F
File:Cdf cycle timer back.jpg
Cycle timer (Steady) backside (Mirrored to match Cdf_cycle_timer_front.jpg)
File:Cdf cycle timer front.jpg
Cycle timer (Steady) front from the CD&F
File:Cdf decoder module a back.jpg
Backside of the tone decoder module from the CD&F (Mirrored to match Cdf_decoder_module_a_front.jpg
File:Cdf decoder module a front.jpg
Front of the tone decoder module from the CD&F
16 April 2024
File:Cdf mod power connections.jpg
Connections for Vin and GND to power the arduino and Si5351 board on the CD&F. Pulling power from the main 12v regulator
File:Cdf modded LO.jpg
Final mod showing the insulated arduino and Si5351 board attached to the CD&F main board
File:Cdf si5351 test.jpg
Test setup of the Si5351 breakout board to replace the LO crystal on the CD&F
15 April 2024
File:Cdf tone info.jpg
Configured tone information handwritten on the CD&F main board near the top center. Sequence 1 is to activate, sequence 2 is to deactivate.
File:Cdf rx closeup back.jpg
Closeup of the rear of the double conversion super heterodyne radio receiver circuitry in the CD&F. Mirrored to match Cdf_rx_closeup.jpg
File:Cdf rx closeup.jpg
Closeup of the double conversion super heterodyne radio receiver circuitry in the CD&F
File:Cdf bare mainboard back.jpg
Trevor229 uploaded a new version of File:Cdf bare mainboard back.jpg
File:Cdf bare mainboard back.jpg
Back of the CD&F mainboard. There is conformal coating on the back which makes it difficult to probe things. It can be removed with acetone or MEK.
File:Cdf bare mainboard.jpg
Bare mainboard of the CD&F. All cards removed for visibility.
File:Cdf back.jpg
Back of the enclosure, showing the integrated mounting holes.
File:Cdf info onboard.jpg
Info written near the bottom center of the mainboard. Shows FCC-ID, serial, receive frequency, input voltage, and ship date.
File:Cdf hinge side.jpg
Side of the enclosure with the hinge. The hinge cannot be removed from the door, but the door and hinge can be removed from the enclosure with three screws and nuts.
File:Cdf latch side.jpg
Side of the enclosure with latch. First flips out, then rotate the wing to loosen the clamp.
File:Cdf bottom.jpg
Bottom of the CD&F housing showing the conduit and vent holes as well as an unused SO-239 connector for replacing the whip antenna.
File:Cdf top.jpg
Top of the CD&F housing showing the antenna mount without the antenna
File:Cdf filters bottom.jpg
Bottom side of the CD&F tone filter modules. Mirrored to match the top side.
File:Cdf filters top.jpg
Top view of both CD&F tone decoder modules
File:Cdf xfmr sec.jpg
Secondary of the CD&F transformer
File:Cdf xfmr pri.jpg
Trevor229 uploaded a new version of File:Cdf xfmr pri.jpg
File:Cdf xfmr pri.jpg
Primary side of the CD&F transformer
File:Cdf terminals closeup.jpg
Closeup of the terminal block on the CD&F controller
File:Cdf front closed.jpg
CD&F with the front door closed
File:Cdf front open.jpg
CD&F controller with the front door open
9 March 2023
21 January 2023
20 January 2023
18 January 2023
DFM-17 Radiosonde
Typo of IC package on gallery caption fix
m+4
DFM-17 Radiosonde
Update some IC package formats
m+6
17 January 2023
DFM-17 Radiosonde
add dummy load mod and change images to gallery
m+746
File:Dfm 17 swd and resistors.jpg
no edit summary
16 January 2023
DFM-17 Radiosonde
Added more pictures, pinouts of sensor stalk, identified ICs, peripheral attachment pinouts
+1,005
File:Dfm back pcb no battery.jpg
no edit summary
File:Stalk pinout mapping.png
no edit summary