QRP Labs ProgRock Manual Download Page 3 | Manualshive

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Summary of Contents for ProgRock

Page 1: ...nter the frequencies in binary coded decimal one digit at a time A little cumbersome but you ll soon get used to it and get fast at it Anyway this kit is not a VFO QRP Labs has a different kit for tha...

Page 2: ...tiny84 microcontroller 14 pin DIP package IC2 LM317LZ voltage regulator TO92 package supplied from Si5351A Synth kit 2 4 Miscellaneous 4 way DIP switch S1 Push button S2 Printed circuit board 1 9 x 1...

Page 3: ...3...

Page 4: ...bottom left is the LM317LZ voltage regulator IC2 In the recommended assembly approach this component is taken from the Si5351A Synth kit it is NOT installed on the Si5351A Synth PCB Instead it is used...

Page 5: ...a DVM to make sure no solder bridges have been created 4 2 Parts placement and general construction notes Please refer to the parts placement diagram below in all the following steps When assembling P...

Page 6: ...e almost 1W which will be too high for this tiny TO92 packaged voltage regulator So limit the supply voltage to 12V in practice You may wish to power ProgRock using a 5V supply In this case you would...

Page 7: ...th the noise filter circuit since the OCXO Si5351A Synth kit has its own 3 3V regulators onboard which will supply its Si5351A chip Additionally three jumper wires should be used feed the 5V supply to...

Page 8: ...The dimple should be at the end nearest the right hand edge of the PCB 3 Install voltage regulator components Here again I assume that you are using the recommended power supply option that is fitting...

Page 9: ...nsistor The 2N3906 PNP transistor is fitted in the Q2 position the central one of the line of three transistors All three of the transistors will need their central wire bending outward to fit the tri...

Page 10: ...the recommended power supply option refer to section 4 3 it is a REALLY good idea to test the voltages now with a digital volt meter DVM before plugging in the microcontroller IC1 or the Si5351A Synt...

Page 11: ...nd side of the PCB when held as photographed throughout this document 10 Plug in the Si5351A Synth module Finally the Si5351A Synth module can be plugged in to the ProgRock PCB Ensure that the orienta...

Page 12: ...Receivers with a very short pulse e g 10us will not work for example Trimble Thunderbolt The Si5351A Synth module s Clk2 output is used by the microcontroller to count the frequency of the Si5351A s 2...

Page 13: ...lower sideband You could also use one of the Bank inputs as a key signal to enable the frequency output For example imagine programming the frequencies you want in Bank 0 Then use the Sel 0 input as...

Page 14: ...cy of the 27MHz reference oscillator You must switch off the power and back on again to get back the use of Clk2 It is strongly recommended to Ground the 1pps input when not using the GPS option to pr...

Page 15: ...D will remain illuminated No further actions will be taken and the switches buttons and bank select inputs are all ignored If the microcontroller cannot operate the Si5351A chip then nothing else can...

Page 16: ...o ignore that To make a number you switch the required switches to on that add up to the required number For example the switch configuration to above right means 6 because the 4 switch and the 2 swit...

Page 17: ...0 output in bank 0 to 1 5MHz The sequence of digits you need to enter is 0 4 1 5 0 0 0 0 0 Enter Because 04 is the register location for Clk 0 Bank 0 and 1500000 is the desired frequency in Hz The tot...

Page 18: ...k 7 Clk 2 28 Calibration configuration register See SECTION 6 8 6 5 Factory Reset using EEPROM Version register 01 Register 01 contains the EEPROM version ID If you set this register to 0 and power do...

Page 19: ...g up an accurately calibrated receiver with Argo and monitoring the output signal frequency that way Once you have measured the actual output frequency you can calculate the required correction to the...

Page 20: ...ection 6 6 above 7 Template for programming ProgRock On the following page is a template for programming registers in ProgRock You could print it out and use it to assist with programming the register...

Page 21: ...21...

Page 22: ...ot match the component print Corrected several typos missing words incorrect words etc 3 24 Jun 2016 Added note that very short 1pps pulse widths e g 10us do not work with this kit 4 25 Jun 2016 Re wr...

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