Knucker - Revision history

G4FRE: /* Receiver */

2025-04-29T19:30:00Z

Receiver

G8GKQ: /* Ryde set top box */

2023-05-03T11:51:05Z

Ryde set top box

G8GTZ: /* Hardware */

2022-09-18T15:07:06Z

Hardware

G8GKQ: /* Hardware */

2021-11-10T21:02:52Z

Hardware

G8GKQ: /* Receiver */

2021-11-10T21:02:07Z

Receiver

G8GKQ: /* Timescales */

2021-05-22T21:34:31Z

Timescales

G8GKQ: /* Software */

2021-05-22T21:28:48Z

Software

G8GKQ: /* Hardware */

2021-05-22T21:26:40Z

Hardware

G8GKQ: /* Hardware */

2021-05-16T10:18:07Z

Hardware

G8GKQ at 20:07, 17 April 2021

2021-04-17T20:07:22Z

@@ Line 28: / Line 28: @@
 ==Receiver==
-The Knucker may be used as a DVB-T receiver in conjunction with the Portsdown 4 or Ryde receiver. In Ryde, the DVB-T option is selected by either selecting a DVB-T Band or Preset using the remote control.  It cal also be accessed from the ssh console menu.
+The Knucker may be used as a DVB-T receiver in conjunction with the Portsdown 4 or Ryde receiver. In Ryde, the DVB-T option is selected by either selecting a DVB-T Band or Preset using the remote control.  It can also be accessed from the ssh console menu.
 ==Hardware==

@@ Line 109: / Line 109: @@
 ===Ryde set top box===
-An interim SSH Menu-driven version has also been integrated into the Ryde Build.  No remote control functions are available in this build, although full integration with Ryde is on the to-do list.
+The Ryde Set Top box also works with the Knucker receive board to receive DVB-T signals.
 ==Transmit==

@@ Line 33: / Line 33: @@
 Charles G4GUO and the Knucker team have developed a variable bandwidth DVB-T receiver with USB interface around the Serit 4762 NIM / tuner.
-Draft specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde.
+Specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde.
 Note: the 4762 NIM is capable of DVB-T and DVB-S but the '''DVB-S is NOT (repeat NOT) supported in any BATC applications''' due to restricted frequency range and lack of low SR capability.

@@ Line 33: / Line 33: @@
 Charles G4GUO and the Knucker team have developed a variable bandwidth DVB-T receiver with USB interface around the Serit 4762 NIM / tuner.
-Draft specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde (SSH Console Menu control with HDMI display).
+Draft specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde.
 Note: the 4762 NIM is capable of DVB-T and DVB-S but the '''DVB-S is NOT (repeat NOT) supported in any BATC applications''' due to restricted frequency range and lack of low SR capability.

@@ Line 28: / Line 28: @@
 ==Receiver==
-The Knucker may be used as a DVB-T receiver in conjunction with the Portsdown 4 or Ryde receiver. The interim software solution in the Ryde is only available via the SSH menu (option 11 "DVB-T RX") (DVB-T reception is NOT possible via the Ryde's onscreen menus). Choosing option 11 leads to the "Ryde DVB-T receiver" menu which allows receive parameters for DVB-T ONLY to be set.
+The Knucker may be used as a DVB-T receiver in conjunction with the Portsdown 4 or Ryde receiver. In Ryde, the DVB-T option is selected by either selecting a DVB-T Band or Preset using the remote control.  It cal also be accessed from the ssh console menu.
 ==Hardware==

@@ Line 22: / Line 22: @@
 ==Timescales==
-The PBCBs and Tuners went on general relase in March 2021.  The receive software is included in the Portsdon 4 build from that date.
+The PCBs and Tuners went on general relase in March 2021.  The receive software is included in the Portsdon 4 build from that date.
 Interim receive software has also been included in the Ryde build (accessed through the SSH Console Menu).

@@ Line 101: / Line 101: @@
 ==Software==
-Charles G4GUO has developed a core Linux DVB-T receiver application.
+Charles G4GUO has developed a core Linux DVB-T receiver application using information provided under a non-disclosure-agreement from the manufacturerm, so only the compiled binary (for a Raspberry Pi) is available for download.
 ===Portsdown===
-This has been integrated into the Portsdown 4 system to give a narrow band DVB-T receive capability. https://forum.batc.org.uk/viewtopic.php?f=103&t=7158
+The receive software has been integrated into the Portsdown 4 system to give a narrow band DVB-T receive capability. https://forum.batc.org.uk/viewtopic.php?f=103&t=7158
 ===Ryde set top box===

@@ Line 33: / Line 33: @@
 Charles G4GUO and the Knucker team have developed a variable bandwidth DVB-T receiver with USB interface around the Serit 4762 NIM / tuner.
-Draft specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde (SSH Conole Menu control with HDMI display).
+Draft specifications are 150 kHz to 2 MHz wide OFDM, frequency range 44 to 1002MHz.  The receiver software is included in the Portsdown 4 (touchscreen) and the Ryde (SSH Console Menu control with HDMI display).
 Note: the 4762 NIM is capable of DVB-T and DVB-S but the '''DVB-S is NOT (repeat NOT) supported in any BATC applications''' due to restricted frequency range and lack of low SR capability.
@@ Line 53: / Line 53: @@
 ====Version 3====
-First general release PCB - limited availability in January 2021.  General release March 2021
+First general release PCB - released March 2021
 [[File:render.jpg|400px]]
@@ Line 75: / Line 75: @@
 Download, unzip and save this file [[:File:combituner.zip]]  It will save as Knucker DVBT.xml
-Put the USB module in to the PCB and connect the USB port to the PC - you should here the Windows bing bong sound.
+Put the USB module in to the PCB, apply power to the Knucker board, and connect the USB port to the PC - you should here the Windows bing bong sound.  '''Note that to program the module in a Knucker PCB, power must be applied to the PCB (unlike the MiniTiouner)'''.
 Run FTprog:

@@ Line 1: / Line 1: @@
-The Knucker project is to develop a variable bandwidth DVB-T USB receiver and transmitter for use on the lower VHF bands and HF.  It will also have applications for mobile stations on 437MHz and above.
+The Knucker project is to develop a reduced-bandwidth DVB-T USB receiver and transmitter for use on the lower VHF bands and HF.  It will also have applications for mobile stations on 437MHz and above.  '''The Knucker is not intended to be capable of receiving commercial broadcast TV transmissions.'''
 ==Why DVB-T==
@@ Line 22: / Line 22: @@
 ==Timescales==
-December 2020 - Currently the project is at the design phase with a proof of concept receiver working on breadboard hardware.
+The PBCBs and Tuners went on general relase in March 2021.  The receive software is included in the Portsdon 4 build from that date.
-January 2021 - beta testing in progress
+Interim receive software has also been included in the Ryde build (accessed through the SSH Console Menu).
 ==Receiver==
-The Knucker may be used as a DVB-T receiver in conjunction with the Ryde receiver. The interim software solution in the Ryde is only available via the SSH menu (option 11 "DVB-T RX") (DVB-T reception is NOT possible via the Ryde's onscreen menus). Choosing option 11 leads to the "Ryde DVB-T receiver" menu which allows receive parameters for DVB-T ONLY to be set.
+The Knucker may be used as a DVB-T receiver in conjunction with the Portsdown 4 or Ryde receiver. The interim software solution in the Ryde is only available via the SSH menu (option 11 "DVB-T RX") (DVB-T reception is NOT possible via the Ryde's onscreen menus). Choosing option 11 leads to the "Ryde DVB-T receiver" menu which allows receive parameters for DVB-T ONLY to be set.
 ==Hardware==
@@ Line 122: / Line 120: @@
 https://forum.batc.org.uk/viewtopic.php?t=7158&p=26210#p26210
 ===DATV Express===