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เราจะทำแบบวิศวกรผู้ยิ่งใหญ่
We love the King
22. July 2024
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Amy Winehouse, 14.09.1983 - 23.07.2011
Arduino-Shield-MOD.php    21013 Bytes    06-06-2024 16:21:12


What's All This '...mod' Stuff, Anyhow ?


An intellectual background





His Majesty King Bhumibol Adulyadej (05.12.1927 - 13.10.2016) in his diy boat "Micromod" (ไมโครมด). He was not only an avid boat designer, but also won the gold medal in the international OK dinghy class at the fourth Southeast Asian Peninsular Games (now called the SEA Games) in 1967. His Majesty built boats in a number of other classes too and also created his own class, the "Royal Mott Class", in which he designed three boats – Mod, Super Mod and Micro Mod.




✈ Motivation • Design Basics




The main inspiration for those nifty little synthesisers is of course His Majesty King Bhumibol Adulyadej. He named his boats "Mod", which means "Ant". So they are small in size but their impact is large !

As with our synthesiser shields - which are also small in size - but have a large potential due to sophisticated integrated circuits made by various manufacturers. And their useage is manifold due to the compatibility with the Arduino™/Genuino™ layout.

We have chosen the name "Mod" in order to pay respect to one of the greatest engineers of our time. His Majesty King Bhumibol Adulyadej also referred to as วิศวกรผู้ยิ่งใหญ่.

All Synthesisers have an ultra - low phase noise, making them ideally suited to drive an Acousto-optic modulator which is an essential tool when researching on quantum-optical things.

Due to the nature of the design the synthesisers have a spectrum rich of harmonics - but they can be filtered away with a simple Lowpass. Some of the synthesisers are free-running types and some are locked to a 10 MHz reference.

Most of the synthesisers use an Six-Bit Digital Attenuator (Attenuation: 31.5 dB) which means, that the output power is in the range of +7 dBm down to -20 dBm (more or less).



✈ OVERVIEW OF ALL MOD's [Thai:มด] meaning Ant (Ameise)




SYNTHESISER Device / Specifications
Kilomod


• TTL PWM Generator
• 15 mHz ... 5 kHz
• Supply 7.5 V, 200 mA
• TTL, positive and negative
• Reference : intern (Arduino)
• Chipset : Arduino / Genuino
Details

Macromod


• UHF Signal Generator
• 10 ... 850 MHz
• Supply 7.5 V, 800 mA
• - 20 dBm ... + 10 dBm
• Reference : intern
• Chipset : LMK61E2
Details

Micromod


• VHF Signal Generator
• 19.9 - 199.999 MHz
• Supply 7.5 V, 800 mA
• - 20 dBm ... + 10 dBm
• Reference : intern
• Chipset : Si 570
Details

Millimod


• AF Synthesiser
• tbd
• Supply 7.5 V, 500 mA
• - 10 V ... + 10 V
• Reference : intern
• Chipset : AD9102
coming soon ...

Ningmod


• Low VHF Synthesiser
• 0.99 ... 123.456 MHz
• Supply 13 ... 28 V, < 199 mA
• - 25 ... + 15 dBm
• VCXO intern, external Ref.
• Chipset : AD9953
Details

Sathanimod


• FM Radiostation
• 76.0 MHz to 108 MHz
• Supply 12 V, 199 mA
• BNC output
• Reference : intern
• Chipset : Arduino / Si4713 with RDS
Details

Standardmod


• 10.000 MHz OCXO
• 10 MHz
• Supply 18 V, 500 mA
• Two outputs
• Reference : intern
• Chipset : Arduino / AD9835
Details

Supermod


• UHF Signal Generator
• 23.5 ... 5800 MHz, in 12.5 kHz steps
• Supply 7.5 V, 800 mA
• - 19 dBm ... + 12 dBm
• Reference : intern/extern 10 MHz
• Chipset : MAX2871
Details

Ultramod


• UHF Signal Generator
• 9.9 MHz ... 3.2 GHz (with gap)
• Supply 7.5 V, 800 mA
• 0 dBm ... + 13 dBm
• Reference : intern
• Chipset : Si 564
Details



MEASUREMENT EQUIPMENT Device / Specifications
Countermod


• A UHF Frequency Counter
• 10 MHz ... 1 GHz
• Supply 7.5 V, 200 mA
• Input: 0 dBm
• Reference : intern / extern 10 MHz
• Chipset : Arduino Nano Every
Details

Nuumod


• Microvoltmeter for Envico
• ±25 mV, ±250 mV, ±2.5 V,
• Supply 9.0 V, 200 mA
• With USB and I2C interface
• Reference : intern, LT1236
• Chipset : LTC2400
Details

Pingumod


• P,U,I - Monitor
• For Power Consumption monitoring
• Max. 36 V
• Max. 10 A
• Reference : intern
• Chipset : INA260
Details

Referencemod


• Voltage Standard
• Fixed output voltages :
• 0.1 V, 0.5 V, 2.5 V
• and a programmeable output ±10 V
• Reference : intern
• Chipset : LTZ1000ACH
Details

Sojamod


• Measurement Amplifier
• 20 dB ± 1 dB
• 10 MHz ... 1000 MHz
• Max. Input Level : 0 dBm
• Max. Output Level : 19 dBm
• Chipset : 2 X GVA-81+
Details



POWER SUPPLY Device / Specifications
Leomod


• Fixed Voltage Power Supply
• with LEMO™ Connectors
• Supply ±15 V, 999 mA
• For Photodiodes
• Reference : intern
• Chipset : AA30D1515A
Details

PETH-8093


• Quad Lab Power Supply
• Fixed output voltages :
• +5 V, +15 V, -15 V
• and a variable output 0...25 V
• Reference : intern
• Chipset : LT3081 e.a.
Details

Powermod


• Dual Laboratory Power Supply
• ±15 V, 1 A
• Supply with Remote capability
• Uses Arduino Nano Every
• Reference : intern
• Chipset : LM317 + LM337
Details

Referencemod


• Voltage Standard
• Fixed output voltages :
• 0.1 V, 0.5 V, 2.5 V
• and a programmeable output ±10 V
• Reference : intern
• Chipset : LTZ1000ACH
Details

Samroimod


• Laboratory Power Supply
• 32 V, 1 A
• Supply with Remote capability
• Uses Arduino Nano Every
• Reference : intern
• 3 x RAC20-12SK with Linear Afterburner
Details

Sungmod


• Laboratory Power Supply
• 270 V, 2 mA
• Photodiode Bias Source
• Uses Arduino Nano
• Reference : intern
• Chipset : AD5667R + IRF 840
Details

Supplymod


• Laboratory Power Supply
• 20 V, 2 A
• Supply with Remote capability
• Uses Arduino Nano
• Reference : intern
• Chipset : EPS-65S-24 with Linear Stage
Details



RECEIVER & TRANSMITTER Device / Specifications
Polarmod


• I/Q Downconverter / Demodulator
• 1 - 200 MHz, RF Input at Rearpanel
• Supply 12 V, 800 mA
• Sensitivity : - 90 dBm
• Reference : intern / extern 10 MHz
• Chipset : AD9958
Details

Wacharamod


• Multiband Receiver
• LW, MW, SW, FM
• Supply 7.5 V, 800 mA
• Sensitivity : NN
• Reference : intern 32.768 kHz
• Chipset : Si4735
Details

Wanmod


• Frequency Selective Levelmeter
• 0.099 ... 29.999 MHz
• Supply 15 V, 499 mA
• Sensitivity : -99.9 dBm, 5 kHz BW
• Reference : XCO, Si564
• Chipset : AD8307 e.a.
Details





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t1 = 6584 d

t2 = 279 ms

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