Tony My si570 is a sample i received from si . The one you sent is not yet tested, however I think that you have to order them with active OE... 73
On Thu, Jun 5, 2008 at 12:54 PM, Tony Parks <[EMAIL PROTECTED]> wrote: > Not sure Jose. Have you looked with a scope at the output of the > Si570? > > 73, > Tony KB9YIG > > ----- Original Message ----- > *From:* Jose Bonanca <[EMAIL PROTECTED]> > *To:* [email protected] > *Sent:* Thursday, June 05, 2008 7:53 AM > *Subject:* Re: [softrock40] CMOS Si570 problem > > Tony, > Do not not yet if my case belongs to that category... > > > > On Thu, Jun 5, 2008 at 12:47 PM, kb9yig <[EMAIL PROTECTED]> wrote: > >> Good Morning All, >> >> I have a CMOS Si570 mounted on a Lite+Xtall board and am obderving >> strange behavior of the RF output of the device. >> >> The RF output is on for about 4msec, goes off for about 2msec, and >> continues to repeat this on-off pattern continuously. The frequency of >> the RF output is about 50MHz during the on time. The RF output >> envelope displays sudden transitions from on to off or off to on. The >> PIC on the board acts as if I2C communications is proceeding normally >> with each DIP switch input change but results in no change in the RF >> output of the Si570. >> >> Has anyone observed proper operation of the CMOS Si570 devices I have >> been filling orders with in recent weeks? Also, has anyone else >> observed faulty operation of a CMOS Si570 device? >> >> Thanks and 73, >> Tony KB9YIG >> >> > > > -- > Jose Bonanca (CT1aos) > > > -- Jose Bonanca (CT1aos)
