Would like info on Toshiba AM/FM chip

[Dave]

Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87. No helpful
results from Teoma, Google or Toshiba. I did get a hit from a Hong Kong
vendor, but they said the pdf file was unavaliable. Would anyone have a
datasheet on this?

I have a few GE clock radios that I bought surplus which uses this chip. I
am using one of the radios now, and am impressed with the reception and
selectivity. The existing output is OK, but I'd like to design my own
output amp for a 4 ohm speaker.

Thanks much,
Dave

 

[Mark Zenier]

In article <Xns95E1D2814A0CBlk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:

Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87. No helpful
results from Teoma, Google or Toshiba. I did get a hit from a Hong Kong
vendor, but they said the pdf file was unavaliable. Would anyone have a
datasheet on this?

I have a few GE clock radios that I bought surplus which uses this chip. I
am using one of the radios now, and am impressed with the reception and
selectivity. The existing output is OK, but I'd like to design my own
output amp for a 4 ohm speaker.

You sure that's Toshiba? Most of their numbers are TAnnnn or TCnnnn
with a four digit number.

Telefunken also had a bunch of single chip receivers. (Used in various GE
brand stuff, including an under the counter AM/FM radio I have). (Most of
their numbers were either TDA???? or U???, though). They're part of Atmel
now, (with a web site scrubbed clean of the old stuff last I checked).

Mark Zenier mzenier@eskimo.com Washington State resident

 

[Dave]

et472@FreeNet.Carleton.CA (Michael Black) wrote in
news:cu42li$5m5$1@theodyn.ncf.ca:

<snip>

If this is about getting a radio for some other final means, then
you've got the radio. If you just need the parts for something not
quite a standard am/fm radio, then you get the IC and associated parts
to recombine in some other fashion.

Once you've opened the radio, you search for the IC on the web. Be
sure to check the NTE replacement line; that's often a useful way
to get the pinout of an obscure commercial IC. Or, since you have
a complete circuit in front of you, just trace the circuit board
to figure out what pin does what.

Thanks for the suggestions...I did start out with a few Panasonic clock
radios that I bought surplus, but can't find info on the IC. I'd rather
just pay up to $10 for an IC that I know I can get data for right now.

I'm just working on a tabletop style radio. I'd like to try messing around
with a PLL circut & a PIC, which I already have. I also wanted to keep the
part count low.

Thanks,
Dave

 

[Mark Zenier]

In article <Xns95F4A09D0542lk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:

mzenier@eskimo.com (Mark Zenier) wrote in
news:csm6hu$21d$1@eskinews.eskimo.com:

In article <Xns95E1D2814A0CBlk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:
Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87.
....
You sure that's Toshiba? Most of their numbers are TAnnnn or TCnnnn
with a four digit number.

Telefunken also had a bunch of single chip receivers.
....

I'm sorry I didn't follow up sooner.

The chip marking has a capital 'T' enclosed in a circle with four carats,
like a compass. Doing a google image search, it looks like it could be a
Telefunken brand...? I didn't find any exact matches though. If anyone
is interested I could post a picture on my image provider.

See if you can find a cache of datasheets and use one that's closest
to what you have. There's a pile of minor variations on the theme.
I couldn't find an exact match when fixing my GE radio.

Could someone recommend a current AM/FM receiver chip in a DIP package?
Something that could be ordered 1-2 pcs from Mouser or similar place.
I'd still like to continue my little project.

Like Michael Black said, check out the NTE replacement parts line.
But the problem here is that a lot of single chip receivers use unique
inductors so scrapping out an existing radio may be the way to go.

Another possiblity is that there may be tuner modules available. Toko
used to have an FM tuner in a little metal box.

Mark Zenier mzenier@eskimo.com Washington State resident

 

[Dave]

mzenier@eskimo.com (Mark Zenier) wrote in
news:csm6hu$21d$1@eskinews.eskimo.com:

In article <Xns95E1D2814A0CBlk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:
Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87. No
helpful results from Teoma, Google or Toshiba. I did get a hit from a
Hong Kong vendor, but they said the pdf file was unavaliable. Would
anyone have a datasheet on this?

I have a few GE clock radios that I bought surplus which uses this
chip. I am using one of the radios now, and am impressed with the
reception and selectivity. The existing output is OK, but I'd like to
design my own output amp for a 4 ohm speaker.

You sure that's Toshiba? Most of their numbers are TAnnnn or TCnnnn
with a four digit number.

Telefunken also had a bunch of single chip receivers. (Used in
various GE brand stuff, including an under the counter AM/FM radio I
have). (Most of their numbers were either TDA???? or U???, though).
They're part of Atmel now, (with a web site scrubbed clean of the old
stuff last I checked).

Mark Zenier mzenier@eskimo.com Washington State resident

I'm sorry I didn't follow up sooner.

The chip marking has a capital 'T' enclosed in a circle with four carats,
like a compass. Doing a google image search, it looks like it could be a
Telefunken brand...? I didn't find any exact matches though. If anyone
is interested I could post a picture on my image provider.

Could someone recommend a current AM/FM receiver chip in a DIP package?
Something that could be ordered 1-2 pcs from Mouser or similar place.
I'd still like to continue my little project.

Thanks again,
David

 

[Michael Black]

Dave (none@spam.com) writes:

Could someone recommend a current AM/FM receiver chip in a DIP package?
Something that could be ordered 1-2 pcs from Mouser or similar place.
I'd still like to continue my little project.

If you only need small quantities, then buy a portable radio. Doesn't

have to be a portable, clock radios and even stereo receivers will offer
an IC if of the correct vintage, but portables are easier to lug home, and
may carry a lower price so if you get one that doesn't use an IC, you've
still spent less than ordering an IC. Car radios are also plentiful used,
though they often are a tad fancier and may not have the works in a single
IC. Go to a garage sale, or a rummage sale, or the Salvation Army, and buy
a radio for a dollar or so that looks recent enough that it would have an
IC. Buying a cheap new radio may even be a solution, given that one may
have to pay shipping for that simple IC.

If this is about getting a radio for some other final means, then
you've got the radio. If you just need the parts for something not
quite a standard am/fm radio, then you get the IC and associated parts
to recombine in some other fashion.

Once you've opened the radio, you search for the IC on the web. Be
sure to check the NTE replacement line; that's often a useful way
to get the pinout of an obscure commercial IC. Or, since you have
a complete circuit in front of you, just trace the circuit board
to figure out what pin does what.

Michael

 

[Watson A.Name - \"Watt Su]

"Dave" <none@spam.com> wrote in message
news:Xns95F4A09D0542lk2k5f9sdosd@216.168.3.44...

mzenier@eskimo.com (Mark Zenier) wrote in
news:csm6hu$21d$1@eskinews.eskimo.com:

In article <Xns95E1D2814A0CBlk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:
Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87. No
helpful results from Teoma, Google or Toshiba. I did get a hit from
a
Hong Kong vendor, but they said the pdf file was unavaliable. Would
anyone have a datasheet on this?

I have a few GE clock radios that I bought surplus which uses this
chip. I am using one of the radios now, and am impressed with the
reception and selectivity. The existing output is OK, but I'd like
to
design my own output amp for a 4 ohm speaker.

You sure that's Toshiba? Most of their numbers are TAnnnn or TCnnnn
with a four digit number.

Telefunken also had a bunch of single chip receivers. (Used in
various GE brand stuff, including an under the counter AM/FM radio I
have). (Most of their numbers were either TDA???? or U???, though).
They're part of Atmel now, (with a web site scrubbed clean of the
old
stuff last I checked).

Mark Zenier mzenier@eskimo.com Washington State resident



I'm sorry I didn't follow up sooner.

The chip marking has a capital 'T' enclosed in a circle with four
carats,
like a compass. Doing a google image search, it looks like it could
be a
Telefunken brand...? I didn't find any exact matches though. If
anyone
is interested I could post a picture on my image provider.

Could someone recommend a current AM/FM receiver chip in a DIP
package?
Something that could be ordered 1-2 pcs from Mouser or similar place.
I'd still like to continue my little project.

Thanks again,
David

Check for it at http://www.nteinc.com.

 

[Dave]

mzenier@eskimo.com (Mark Zenier) wrote in news:cuaph5$ima$1
@eskinews.eskimo.com:

In article <Xns95F4A09D0542lk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:
mzenier@eskimo.com (Mark Zenier) wrote in
news:csm6hu$21d$1@eskinews.eskimo.com:

In article <Xns95E1D2814A0CBlk2k5f9sdosd@216.168.3.44>,
Dave <none@spam.com> wrote:
Hi,

This is a T916BI-H AM/FM receiver chip manufactured in '87.
...
You sure that's Toshiba? Most of their numbers are TAnnnn or TCnnnn
with a four digit number.

Telefunken also had a bunch of single chip receivers.
...

I'm sorry I didn't follow up sooner.

The chip marking has a capital 'T' enclosed in a circle with four carats,
like a compass. Doing a google image search, it looks like it could be a
Telefunken brand...? I didn't find any exact matches though. If anyone
is interested I could post a picture on my image provider.

See if you can find a cache of datasheets and use one that's closest
to what you have. There's a pile of minor variations on the theme.
I couldn't find an exact match when fixing my GE radio.

Could someone recommend a current AM/FM receiver chip in a DIP package?
Something that could be ordered 1-2 pcs from Mouser or similar place.
I'd still like to continue my little project.

Like Michael Black said, check out the NTE replacement parts line.
But the problem here is that a lot of single chip receivers use unique
inductors so scrapping out an existing radio may be the way to go.

Another possiblity is that there may be tuner modules available. Toko
used to have an FM tuner in a little metal box.

Mark Zenier mzenier@eskimo.com Washington State resident

Thanks to everyone who replied.

I'm now looking at NTE's stuff, and forgive me if this is a basic question:
How do I find what a discontinued NTE part is cross-referenced to (such as
a Motorola or a NI part)? I got the 10M cross reference file, but it also
says there is no information.

The NTE1486 looked interesting, and there are suppliers for it at $7.40
each, but no data so far. The PDFs on NTE parts are just two page
summaries, I'd like to get the full docs on them.

You guys are probably right. I'll just rip apart a few bargain radios, &
hope for the best . My ultimate goal is to have a oak or teak mono
AM/FM tabletop radio with digital tuning & a clock. Not very high
expectations, but I'm doing it for the PLL basics and analog design
experience.

Thanks,
Dave