· The introduction of the HQA added a number of physical and circuit refinements to the original HQ and making it a better receiver for SSB. The HQA-VHF added a few more refinements and 2 meter coverage with a built-in converter which also had a 6 meter preamp. The HQA-VHF was a very respectable amateur band receiver for AM-CW-SSB. Kbytes. XC Service www.doorway.ru Kbytes. Total: KBytes. This is all the manuals for Hammarlund. If you want to see manuals from other manufactories you can click on the manufactory menu in the left side. You can also click here to see all the manufactories that www.doorway.ru have manuals, schematics or other files from. Summary of Contents for Hammarlund HQA Page 80 The solution is of course, to prevent the RF pickup of the relay leads from getting into the receiver. Adding a pair of disc ceramic capacitors from each of the relay terminals to ground will usually eliminate the feed back condition.
The first HQ receivers produced employed a 4K 10 watt resistor as R or the VR tube dropping resistor. This was later changed to 3K 10 watts to improve the voltage regulation. In some cases when the 4K resistor was employed, the VR tube would extinguish at maximum sensitivity control setting. HQ installation manual. HQ issue 1 schematics. HQ issue 2 schematics. HQ issue 3 schematics. HQ issue 4 schematics. HQ parts list and schematics. HQA 2 Meter converter 6 Meter pre-amplifier Instruction book addendum. HQA instruction service manual. HQA Converter-PreAmp Service Manual. HQA instruction. The introduction of the HQA added a number of physical and circuit refinements to the original HQ and making it a better receiver for SSB. The HQA-VHF added a few more refinements and 2 meter coverage with a built-in converter which also had a 6 meter preamp. The HQA-VHF was a very respectable amateur band receiver for AM-CW-SSB.
View and Download Hammarlund HQA instruction and service manual online. communications receiver. HQA receiver pdf manual download. or HQ A series of receivers designed primarily for use with the HX After selecting the antenna desired, consult the diagrams in this Manual. What is the difference between an HQ and a HQA? Link removed, full schematic and manual I originally snipped the circuit from.
0コメント