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Miku Hatsune
,
opendous
2
7/6/15
ham-it-up 125mhz not working
> In passthrough I see big 125mhz peak. > In upconvert, I see no additional peak. That is
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ham-it-up 125mhz not working
> In passthrough I see big 125mhz peak. > In upconvert, I see no additional peak. That is
7/6/15
Larry Van Horn
,
Opendous Incorporated
2
1/8/15
USB-B USB jack
Yes, just plug it into a USB port on your computer. To reduce noise you could try running it off an
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USB-B USB jack
Yes, just plug it into a USB port on your computer. To reduce noise you could try running it off an
1/8/15
Opendous Inc.
3/18/10
Google Security Certificates
Just something for the curious. www.google.com Serial Number = 2F:DF:BC:F6:AE:91:52:6D:0F:9A:A3:DF:40
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Google Security Certificates
Just something for the curious. www.google.com Serial Number = 2F:DF:BC:F6:AE:91:52:6D:0F:9A:A3:DF:40
3/18/10
opendous
,
Andrew Pepper
7
1/10/15
Strange Issue with my Ham it Up
Problem solved. The switch was the cause of the dead short. I replaced that and it's working
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Strange Issue with my Ham it Up
Problem solved. The switch was the cause of the dead short. I replaced that and it's working
1/10/15
Tony Magon
,
opendous
2
11/24/14
Question in regard to changing Nooelec V1.o from 100 to 125 mhz
On the 100MHz version, the -10dB Upconverting bandwidth is 0.1MHz-48MHz (100.1MHz-148MHz upconverted)
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Question in regard to changing Nooelec V1.o from 100 to 125 mhz
On the 100MHz version, the -10dB Upconverting bandwidth is 0.1MHz-48MHz (100.1MHz-148MHz upconverted)
11/24/14
DennisM
,
Opendous Incorporated
2
11/17/14
Searching for Propendous/Rockbox files
I put everything into archives: http://code.google.com/p/propendous/downloads/detail?name=PROpendous-
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Searching for Propendous/Rockbox files
I put everything into archives: http://code.google.com/p/propendous/downloads/detail?name=PROpendous-
11/17/14
francis...@gmail.com
,
Opendous Incorporated
2
11/7/14
help in plain english please on hamitupverter
What sort of antenna are you using? Does the Upconverter work in Passthrough mode? You mention your
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help in plain english please on hamitupverter
What sort of antenna are you using? Does the Upconverter work in Passthrough mode? You mention your
11/7/14
kumar
,
opendous
8
9/18/14
Need some technical details of Ham it up
The Upconverter will work best if you keep the input power level to 0dBm or below, which is about 0.6
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Need some technical details of Ham it up
The Upconverter will work best if you keep the input power level to 0dBm or below, which is about 0.6
9/18/14
Opendous Incorporated
, …
phase2682
8
8/16/14
Re: Upconverter not working?
The Upconvert to Passthrough switch in SDR software image shows 100MHz but that should read 125.06MHz
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Re: Upconverter not working?
The Upconvert to Passthrough switch in SDR software image shows 100MHz but that should read 125.06MHz
8/16/14
Mark Simmons
, …
opendous
3
8/13/14
Upconverter not working?
Connected to an RTL-SDR in Upconvert mode you should see some LO bleed at 125MHz when tuned to ~125.1
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Upconverter not working?
Connected to an RTL-SDR in Upconvert mode you should see some LO bleed at 125MHz when tuned to ~125.1
8/13/14
John Nitis
,
opendous
2
7/31/14
Expected reception?
> I can hear the 125MHz tone very clearly if I tune into it directly ... > USB power light is
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Expected reception?
> I can hear the 125MHz tone very clearly if I tune into it directly ... > USB power light is
7/31/14
Harold Chan
,
opendous
6
4/4/14
How to connect this Active Antenna Loop and 100MHz version upconverter?
The connection looks correct. You can check for continuity with a multimeter but the adaptors look
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How to connect this Active Antenna Loop and 100MHz version upconverter?
The connection looks correct. You can check for continuity with a multimeter but the adaptors look
4/4/14
David Fields
,
opendous
2
3/17/14
Noise source - bandwidth
I have been able to measure noise from the Noise Source over the entire frequency ranges of the RTL-
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Noise source - bandwidth
I have been able to measure noise from the Noise Source over the entire frequency ranges of the RTL-
3/17/14
webm...@cbjunkies.com
,
Opendous Incorporated
9
2/17/14
got ham it up today not working
Just bypassing the 560nH inductor produces too much attenuation at 125MHz (lower red trace, middle
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got ham it up today not working
Just bypassing the 560nH inductor produces too much attenuation at 125MHz (lower red trace, middle
2/17/14
Alex
,
opendous
3
2/11/14
(seeking help) Questions about ADS 1299 for EEG project
Thank you for the quick response and the information. For electrodes, I am planning to use Ag-AgCl
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(seeking help) Questions about ADS 1299 for EEG project
Thank you for the quick response and the information. For electrodes, I am planning to use Ag-AgCl
2/11/14
alle...@gmail.com
, …
Joel Destrade
6
10/29/13
Noise and sensitivity, v1.21 board
Hello every body. I'm new in this group and my English is not the best you have read... I have an
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Noise and sensitivity, v1.21 board
Hello every body. I'm new in this group and my English is not the best you have read... I have an
10/29/13
peterco...@googlemail.com
,
opendous
2
10/23/13
Upconverter frequency stability
The oscillators used are +/-25ppm so the frequency should be within +/-3125Hz ((125000000*(25/1000000
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Upconverter frequency stability
The oscillators used are +/-25ppm so the frequency should be within +/-3125Hz ((125000000*(25/1000000
10/23/13
opendous
10/1/13
Maximum Upconverter Transmit Power
The Upconverter is designed for picking up signals below +1dBm (~0.001W) and should withstand up to +
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Maximum Upconverter Transmit Power
The Upconverter is designed for picking up signals below +1dBm (~0.001W) and should withstand up to +
10/1/13
e5s...@gmail.com
, …
Opendous
4
7/17/13
input signal protection
>> Adding an AntennaGuard Varistor at the Upconverter input (Signal to >> Shield) will
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input signal protection
>> Adding an AntennaGuard Varistor at the Upconverter input (Signal to >> Shield) will
7/17/13
wec...@gmail.com
,
Opendous
3
7/15/13
Hamitup not working
Here is a repost of the Upconverter page comments related to this issue: ----------------------------
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Hamitup not working
Here is a repost of the Upconverter page comments related to this issue: ----------------------------
7/15/13
wec...@gmail.com
,
Opendous
2
7/15/13
Hamitup not working - purchased June 2013
> pin 1 is grounded permanently > I see no 125MHz at IC8 (pin 4) or R2 (input to the >
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Hamitup not working - purchased June 2013
> pin 1 is grounded permanently > I see no 125MHz at IC8 (pin 4) or R2 (input to the >
7/15/13
William Ashley
,
Opendous
3
3/12/13
Second question series hamitups
I forgot about the oscillator buffer, it only works to 200MHz. A 400MHz to MF/HF Up/Down-converter
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Second question series hamitups
I forgot about the oscillator buffer, it only works to 200MHz. A 400MHz to MF/HF Up/Down-converter
3/12/13
William Ashley
,
Opendous
2
3/12/13
hamitup
To reduce the input level the easiest option is a 50-Ohm SMA-M to SMA-F attenuator: http://www.
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hamitup
To reduce the input level the easiest option is a 50-Ohm SMA-M to SMA-F attenuator: http://www.
3/12/13
William Ashley
,
Opendous
2
3/12/13
What is the power handling capacity
Into the RF port (RX) the maximum input is +1dBm. This is the 1dB compression point of the mixer
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What is the power handling capacity
Into the RF port (RX) the maximum input is +1dBm. This is the 1dB compression point of the mixer
3/12/13
A Ebel
, …
Opendous
3
2/12/13
Noo Elec Needs To Create A Up Converter Kit
>What are the essential parts? If soldering is acceptable and you have the tools, a PC, DVB Dongle
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Noo Elec Needs To Create A Up Converter Kit
>What are the essential parts? If soldering is acceptable and you have the tools, a PC, DVB Dongle
2/12/13
q...@kd4e.com
,
Opendous Support
2
2/2/13
Using the transmit side?
I haven't really explored this idea but during testing I generated a -5dBm 125MHz signal and fed
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Using the transmit side?
I haven't really explored this idea but during testing I generated a -5dBm 125MHz signal and fed
2/2/13
David Lolling
,
Opendous Inc.
2
1/1/13
Does Ham It Up v1.0 cover 50 - 54 Mhz (6 meter ham band)?
Hi Dave, Yes, the design will Upconvert 50-54MHz. The filter roll-off occurs over this range but
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Does Ham It Up v1.0 cover 50 - 54 Mhz (6 meter ham band)?
Hi Dave, Yes, the design will Upconvert 50-54MHz. The filter roll-off occurs over this range but
1/1/13
dmp250net
, …
Opendous Incorporated
8
12/17/12
100MHz Upconverter Issues
I got my new one today, and after a cable change it all appears to be working fine. Not much in my
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100MHz Upconverter Issues
I got my new one today, and after a cable change it all appears to be working fine. Not much in my
12/17/12
dg9bfc Sigi
,
Opendous Inc.
2
11/6/12
RF-Up Converter
Thanks! Under consideration for a second version is dual antenna connectors and a switchable LNA.
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RF-Up Converter
Thanks! Under consideration for a second version is dual antenna connectors and a switchable LNA.
11/6/12
Fredrik Carlsson
, …
Opendous Support
8
10/19/12
MEMORY_CARD_microSD_TF-08 footprint
Ok thanks! I will check this. It is a prototype so it is no problem to change later. thanks a LOT for
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MEMORY_CARD_microSD_TF-08 footprint
Ok thanks! I will check this. It is a prototype so it is no problem to change later. thanks a LOT for
10/19/12