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Posts Tagged ‘frequencies’

Cool doc: US military UHF TACSAT/DAMA

Monday, January 28th, 2013

Here's an interesting doc for any RF hackers interested in military satellite communications. Its the official US military manual on Multi-Service Tactics, techniques, and Procedures for Ultra High Frequency Tactical Satellite and Demand Assigned Multiple Access (DAMA) Operations. Pretty much everything you never even thought about regarding military UHF satellite...

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Posted in documentation, RF | No Comments »

Crystal oscillator frequencies

Monday, January 7th, 2013

Drone refers us to this table of Crystal oscillator frequencies from Wikipedia: Wikipedia has a nice table of "Crystal oscillator frequencies". The table includes a column of crystals divisible by powers of 2 which may be appropriate for Real Time Clock (RTC) references... Xtal frequencies covered in the table (at...

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Posted in idle | 1 Comment »

Recent Comments

  • KH: Really? They are digital inputs driven by an MCU. The MCU GPIO probably has diode clamps and ESD protection. Have you experienced such failures? Please...
  • KH: Neither. Google "Marco Schweighauser’s 8-bit virtual Javascript CPU" and see the first result. Sounds more like a very limited feature toy CPU.
  • Alan: "8-bit x86 like CPU" - isn't that an 8080, or Z80?
  • Geoff: Is it still Sunday somewhere? If so, yes please.
  • hli: Sunday++