<<  Pa0nhc PCBgalery Update 20180206

Please help me developing new projects,
by ordering these PCBs.

All PCB prices including free shipment worldwide.

(C) The use, copy and modification of all info on this site is only permitted for non-commercial purposes and thereby explicitly mentioning my radio amateur call sign "PA0NHC" as the original writer / designer / photographer /publisher.

Carefully designed PCBs in perfect quality.

ARDFrx 2m. 145 MHz ARDF direction finding receiver.
Sensitive. Selective. Over 90dB gain regulation range.
Fits in small ALU die cast box.

  
New version PCB with relocated wire connections, and updated coil footprints.
PCB price : Euro 15.-
Printed building guide A5 : Euro 10.- (including packaging and postage).
Building description

ARDFrx 80m.
3.55 MHz ARDF direction finding receiver.
Small, light. Sensitive. Selective.
With build-in balanced ferrite antenna.
Single super heterodyne, 10.7 MHz IF.
Over 90dB gain regulation range.
Adaptable for other frequency bands.
Fits in small standard cheap ABS box.

New version PCB 20180128-16

PCB price : Euro 16.-
Printed building guide A5 : Euro 10.-  (including packaging and postage).
Building description.

Famous by pa0nhc improved version of the pa0rdt
"Miniwhip"
wideband active receiving antenna.
Very hi-IP, IMD-free.
Output Ip3 : +35dBm, Ip2 : +45 dBm.
10 kHz - 30MHz.


New
longer antenna PCB with mantle current choke, and to lower frequencies widened frequency range.


New splitter (combiner) PCB.
With to lower frequencies widened frequency range.

Set of two PCBs : Euro 18.-

Set of two PCBs + BFU590G + BF998 : Euro 23.-

Separately posted transistors BFU590G + BF998 : Euro 6.50 .

Building description


Dedicated noise-free power supply for Miniwhip and other critical applications.


Fits inside a cheap ABS housing.

Price of PWRsupply PCB : Euro 15.-
20180217 : Sold out. At the moment in back order.
Building description.

Small MAGNETIC 3.65 MHz receiving antenna.
Very selective - best reception.
Remotely tune able.
Sensitive.
Adaptable for 1 MHz to 21 MHz.
Directivity pattern is like a dipole.
If rotate able : suppresses noise sources.


Antenna unit PCB with on-board mantle current choke.


Tuning unit PCB with build-in noiseless power supply.
Shifts inside a cheap ALU housing.

Set price for 2 PCBs : Euro 20.-
Building description
Directional VHF couplers.
28 MHz to 435 MHz.

Three versions with DC output.


"DC371".
4x BNC, for in TEKO 371 box.




"DC372".
4x BNC, for in TEKO 372 box.




"DCcoax".
Miniature PCB, for 4x coax connections.
for inside equipment.


Three versions with RF output.


"RF371".
4x BNC, for in TEKO 371 box.



"RF372".
4x BNC, for in TEKO 372 box.



"RFcoax".
Small PCB , for 4x coax connections.

ONE  PCB : Euro 7.50
Every DIR-coupler PCB more : Euro 2.50

Building description

pa0nhc VHF-UHF low noise, hi-IP, wide band  
preamp 28-440 MHz
.
3x BNC,
50 Ohms in / 50 Ohms out,
 
6.8 - 13.6 V @ 28 mA supply.
Proven quality and sturdiness.

Price : Euro 10.-
Building description
pa0nhc VSWR sweeper. 
Complete with all needed software and instructions.  >> My version WORKS <<

Price of green base board : Euro 12.50
Building description

pa0nhc Magnetic near field indicator
for monitoring Magnetic Loop field strength while tuning.
One thin coax connection.
  
Set price for 2 PCBs : Euro 12.50
Building description
Ring core transformers PCB.
for matching a 10m circumference 80-40m magnetic loop antenna.
At distance switch able with one cheap relay, including mantle current choke.
  

Price of PCB  : Euro 12.50
Building description

pa0nhc RF Low Power Meter.
Active, 4.5V supply.
Measuring range : 
-55 dBm to +6 dBm.
Two ranges :  FSD = -14 and +6 dBm.
(8 kHz) 32 kHz - 800 MHz (2.5 GHz with reduced accuracy).
Internal 50 Ohms load.
No calibration needed.

Two versions, special UHF design SMD PCBs.

   
The left PCB is universally use able for coax connection.
On the right PCB is a BNC bus.
Fits with batteries in a small and cheap ABS box .

Two versions PCBs, set price : Euro 10.-
Building description


RF power meter  
Active, 4.5V supply.
Through line with external 50 Ohms load.
Measuring 0.4mW to 200W or
-8 dBm to +53 dBm.
3 ranges : FSD = 0.02 / 2 / 200W
16 kHz - 145 MHz.

No calibration needed.
Fits between two BNC busses, with batteries in a small and cheap ABS box.
Special VHF design SMD PCB.
   
Price : Euro 12.50
Building description

pe0rig Automatic Loop Tuner improved by pa0nhc pa0nhc 20160321 / 20180204
Pure hardware, no software.

PCBs not available yet.

A4 manual Euro 10.- including packaging and postage.

Building description