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IC7300

2

Comments

  • Bill -VA3WTB
    Bill -VA3WTB Member ✭✭✭
    edited February 2018
    What do you use for 3rd party software and digital modes, when a computer is not used?
  • Rick Hadley - W0FG
    Rick Hadley - W0FG Member
    edited January 2018
    Precisely.  In this day and age, the question is not, "why be tied to the computer", but "why not embrace it to the max?"  If I want to feel nostalgic, I can take one of my QRP rigs out on the deck with my little portable antenna and make a couple of QSOs, like I do at our northwoods cabin, but they're not likely to count toward any DXCC Challenge points.  I'm looking forward to my Maestro and WAN so I can be serious about radio in the middle of the Chippewa National Forest!
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    Why do you think this radio doesn't have a computer?  It's all computer.

    73  W9OY
  • Larry - WA7LZO
    Larry - WA7LZO Member ✭✭
    edited April 2016
    So, whilst in the forest, I assume your Internet WAN will be supplied by your cell phone? If so, what's the point? Why not just make a cell phone call? Just sayin'...
  • W3DCB
    W3DCB Member
    edited December 2016
    image  Very well said...you express yourself well in writing...de W3DCB  Danie
  • F M
    F M Member ✭✭
    edited April 2016
    The 7300 will be a great FieldDay rig!
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    I'm not so sure about that

    https://www.youtube.com/watch?v=dOygcdEcRpE


  • Jack - WA2OLZ
    Jack - WA2OLZ Member
    edited April 2016
    Part of the learning process for a different technology Lee. The op should not have had the preamp turned on or at least increase the attenuation to stop ADC overload. A more sophisticated solution would be to have the software/firmware make the adjustment in the background.
  • SteveJ
    SteveJ Member
    edited April 2016
    I agree the 7300 will be a great field day radio.
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    Sherwood released some numbers and it's not all operator error, which is surprising since the 7300 uses a 16bit ADC.  I think the Icom design team may be the novices in this situation, not the operator.  I think for a single man field day operation or fly in DX-pedition this radio will shine, for a multiband effort the jury is still out.  

    73  W9OY


  • Bob - W7KWS -
    Bob - W7KWS - Member ✭✭
    edited December 2016
    Are you sure it's 16-bits? A review I read, but unfortunately can't find now, identified a Xilinx part that is a 14-bits. Then I mentioned this to an Icom employee who seemed to agree in a tentative way. If it is 14-bits, the lower numbers wouldn't be surprising.
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    I got that from a AB4JO blurb on the radio.  Could well be a 14 bit part.

    Here is the sherwood dope

    http://www.dj0ip.de/sherwood-forest/sherwood-xcvr-tests/icom-ic-7300/
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    I just heard collaborating info (real time) from a source other than Mr Sherwood that the adc choice is not as good as other manufactures which leads to overloads.
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    Larry forgetting the fact that the 7300's display is small, even if it were bigger, I do not think the 7300 has the ability to produce two pans of two separate bands. So apples to apples two 7300s would be required to compete with a single 6300. So that is $3000 versus $2500 for a single flex. Plus it may just take two 7300 to equal the performance of a single 6300. Well at least icom is trying.
  • Barry N1EU
    Barry N1EU Member ✭✭
    edited December 2016
    Producing two pans on two separate bands is REALLY that important to most users?

  • Barry N1EU
    Barry N1EU Member ✭✭
    edited December 2016
    Sorry, but this is nonsense.  The IC-7300 uses an LTC2208 16-bit ADC.  Any tendency to overload is not due to the ADC chip being used. 
  • DrTeeth
    DrTeeth Member ✭✭
    edited August 2016
    Oh, how the "other half" lives.
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    Don't shoot the messenger. You may be able to read the full review soon. Take it up with the reviewer's opinion.
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    Apples to apples dude not 6700 verse $1500.00. Just keeping it real.
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    Barry

    How do you know it's the 16 bit chip?  Altera makes a 14 bit LTC2208 as well and they are pin to pin compatible.  

    73  W9OY
  • HCampbell WB4IVF
    HCampbell WB4IVF Member ✭✭
    edited December 2016

    According to AB4OJ’s page it’s a LTC2208-14 (14 bit):

    http://www.ab4oj.com/icom/ic7300/main.html



  • Barry N1EU
    Barry N1EU Member ✭✭
    edited December 2016
    Apologies, I'm just going to back out of this whole conversation because there's all kinds of unconfirmed information flying around.  There were several reports of it being a 16-bit chip on the IC7300 forum but they could all be wrong.  Maybe it's 14-bit, maybe it's 16-bit.  Icom conveniently leaves the RX ADC p/n off of the schematics they posted.
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    I was thinking of someone W , NW of Adam. Say that Barry is right that this adc is more than sufficient for the task at hand , however, the ability to process  that data within their rig appears to be lacking then. There seems to be a bad fit somewhere.
  • KY6LA_Howard
    KY6LA_Howard La Jolla, CA. Paris and Sablet FranceMember ✭✭✭
    edited April 2016
    I would trust Adam Farson as he usually gets it right - 14 Bit part...plus he seems to have a backdoor into Icom....
  • Bill -VA3WTB
    Bill -VA3WTB Member ✭✭✭
    edited December 2016
    I heard a guy this weekend with a 7300, he said that the overload is user mistake. some sort setup problem. I believe it was Ray, can't remember his call
  • km9r.mike
    km9r.mike Member ✭✭
    edited April 2016
    My bad he appears to have two callsigns. I was thinking however what a coincidence two Adams.
  • Barry N1EU
    Barry N1EU Member ✭✭
    edited December 2016
    Yes, now they all seem to  be saying 14-bit.  That makes sense for a $1500 radio.
  • W9OY
    W9OY Alpha Team Member ✭✭
    edited April 2016
    The 14 bit part is $50/per in 1000's quanties.  I tried to figure out the FPGA cost but it looked like a quote process was required
  • W7NGA
    W7NGA Member ✭✭✭
    edited January 2018
    The 7300's I am hearing on the air sound FB and the owners seem quite pleased. Listen up on 14.178 Mhz and you might hear a few. One ham was comparing the 7300 with his 6300 and they both sounded excellent. He was getting better reports with his 7300 and no one was complaining about the pricing.
  • Walt - KZ1F
    Walt - KZ1F Member ✭✭
    edited November 2016
    I'm anxious to see if Rob is correct that in a couple of months they'll be below $1000. I could see my way clear to put in a GTC order for a 50w 7300 at $800.

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