Interesting. Had not noticed that. Based on the specs for an AM/FM chip Silicon Labs produces (Si4736/37/38/39-C40) my guess is that the seven bandwidths are 6, 4, 3, 2.5, 2, 1.8, and 1 kHz. Paul

I see that the "60" allows for adjusting the sof mute and 7 band widths.

My SRF39FP ran into the same situation a couple of months after a short distance fall. I can't see the ferrite is broken... but couldn't find cold soldering spots. Horacio A. Nigro

Thank You Garhard re the Degen DE 17 with that help the radio is now tuning down to 64 Mhz, on MW its very directional and AFN on 873 khz is coming in here better than my DE 1103 I think both have the

Does anybody here have a PL-398MP and can open it up and tell us what chip version is being used in it? I've written to Tecsun asking, but I doubt they'll reply. Paul

I was able to logged stations #925 and #926 overnight. They were KMXA 1090, Aurora CO, and XEKV, Villahermosa, Tabasco, MEX. KMXA appeared to be operating with daytime power. It was heard in

If you found some improvemnts already :), my advice is to read programming guide You will understand a lot about flexibility D60 chip fine tuning in comparison with B20

np: I was reading the info on their pages. Yes, there are some spec improvements for FM Stereo, and some smaller improvements to S/N. These were always there with software programming with caveats

I meant to say "there are some improvements in the D60 revision". Sorry Paul

The spec sheets are here: D60: http://www.slideshare.net/radiopaul/si4730-313435d60 B20: http://www.slideshare.net/radiopaul/si4734-35b20 So yes there are some improvements in the B20 revision.

You are wrong:( Just compare specs (B20 & D60) and you find better specs in FM: - Audio Stereo Separation - Sensitivity in 64-76Mhz - Seek/Tune Time My test on Sangean ATS-909X (D60) against PL-390

Thanks,Arie

Hello Vimal, I took it for granted that you would look for Documentation, but here is the link to the pdf to make it easy for you. Somewhere in there is an explanation of the revision number and of

Hi Paul, The only way o know it for sure is to ask Tecsun about it OR to open a radio and search for the Si4734. 73, Arie

Hi, it's Chinese, not Japanese. Here is the help: The receiver should be switched of, but not locked. Press the FM/MW button more then 5 seconds. A number appears, press once more, until 64 appears,

Hi, Just open backcover and put a drop of switch cleaner in AM/FM selector switch.Play it to and fro a few times and thats it.

silabs.com says: Si4730-31-34-35-D60.pdf Si4730-31-34-35-D60 Data Sheet—Ideal for Consumer Electronics (CE). Please use Si4730-31-D50 for Mobile Devices. 1.1 11/28/2011 Not-Rec-for-New-Designs

Well just after sunset. It was KADR 1400, Elkader IA, fading in momentarily with ID "AM 1400 KADR" at 2341 UTC. Station #924 (barefoot #912) heard on SRF-T615. It was a good session with identified

I looked into this after register/log-in. There are no specification changes to the chip, and it suggests a modification of coding and options. End Of Life (EOL) for all other upgrades was Nov.

Well, being a Chinese product I assume the manual is in Chinese, not Japanese. I don't speak either language, but ... At the end of the manual there are pages devoted to setting up the system