- IDSP is an app for IPHONE and IPOD Touch.
Made by 2 powerful filters, a band pass and a band stop with adjustable bandwidth. Filters are butterworth 4 and 8 poles, sample rate at 44,100 32 bit. Cancel every noise and hear only your qso.
- DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others