Difference between revisions of "BG7TBL"
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The | The BG7TBL USB RF Signal Generator is a PC-based function generator. It has no external controls, requiring a USB connection to a computer. | ||
Software to run this hardware can be found here http://www.dl4jal.eu/. | |||
This device can be bought on ebay for ca $65. Search for "138MHz-4.4GHz". There is a version with the ADF4351 instead that will give you more range (35MHz-4.4GHz). | |||
== Hardware == | == Hardware == | ||
* Microcontroller: [http://www.atmel.com/Images/Atmel-2486-8-bit-AVR-microcontroller-ATmega8_L_datasheet.pdf Atmel Atmega 8L] | * Microcontroller: [http://www.atmel.com/Images/Atmel-2486-8-bit-AVR-microcontroller-ATmega8_L_datasheet.pdf Atmel Atmega 8L] | ||
* Wideband Synthesizer: [http://www.analog.com/media/en/technical-documentation/data-sheets/ADF4350.pdf ADF4350] | * Wideband Synthesizer: [http://www.analog.com/media/en/technical-documentation/data-sheets/ADF4350.pdf ADF4350] | ||
* USB to Serial: FTDI | * USB to Serial: FTDI FT232RL | ||
* Logarithmic Amplifier [http://www.analog.com/media/en/technical-documentation/data-sheets/AD8307.pdf AD8307] | * Logarithmic Amplifier [http://www.analog.com/media/en/technical-documentation/data-sheets/AD8307.pdf AD8307] | ||
* Mixer: [http://www.qsl.net/n9zia/omnitracs/IAM81008.pdf IAM 81008] | |||
* LDO: [http://www.advanced-monolithic.com/pdf/ds1117.pdf AMS1117] | |||
== Photos == | == Photos == | ||
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NWT4000 pcb bot.jpg | NWT4000 pcb bot.jpg | ||
</gallery> | </gallery> | ||
== Protocol == | |||
The protocol is a serial protocol, send an f and the frequency divided by 10 to set the output to the desired frequency. | |||
Revision as of 23:58, 29 September 2015
 | |
| Status | planned |
|---|---|
| Frequency (user) | 138MHz-4.4GHz |
| Waveforms | sine (fixed) |
| Amplitude | ? V |
| Connectivity | USB |
The BG7TBL USB RF Signal Generator is a PC-based function generator. It has no external controls, requiring a USB connection to a computer.
Software to run this hardware can be found here http://www.dl4jal.eu/.
This device can be bought on ebay for ca $65. Search for "138MHz-4.4GHz". There is a version with the ADF4351 instead that will give you more range (35MHz-4.4GHz).
Hardware
- Microcontroller: Atmel Atmega 8L
- Wideband Synthesizer: ADF4350
- USB to Serial: FTDI FT232RL
- Logarithmic Amplifier AD8307
- Mixer: IAM 81008
- LDO: AMS1117
Photos
Protocol
The protocol is a serial protocol, send an f and the frequency divided by 10 to set the output to the desired frequency.