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Varizapper Engine


Article on ‘Varizapper and other ‘New Age’, Frequency Generator Zappers’.
Article by John Stewart, EPE Magazine contributor and writer for various
electronic magazines. Originally published May 2010; republished
May 2011

A new generation of “useful chips” called PIC chips are taking over for many
of the functions of the 555 chips, these new processors seem to be the greatest
thing since the introduction of the now famous “NE-555″.

555 chip


New Generation PIC microprocessors are used in less than 1% of
Zappers sold today. These new “microprocessor” PIC Chips were introduced

some years back and have the brilliant capability of being able “programmed”

just like a small CPU and to be custom tailored via very small and byte efficient

programs to execute a myriad of unique functions, monitoring machines to very

accurate timers and Frequency Generators such as variable frequency Zappers.

Likewise the ‘Ultra-Low-Power Microcontroller’ MSP Chips equally maintain this

new generation standard in accurate timers, frequency devices and program functions.

The Varizapper is powered by the Texas Instruments MSP430 family of ultra-low
power Microcontrollers consisting of several devices featuring different sets of
peripherals targeted for various applications. The architecture, combined with
five low-power modes, is optimized to achieve extended battery life in portable
measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit
Registers and constant generators that contribute to maximum code efficiency.
The calibrated digitally controlled Oscillator (DCO) allows wake-up from
low-power modes to active mode in less than 1 s. Included in this powerful Chip
are a 16-bit Ultra-Low-Power Microcontroller, 48KB Flash, 4KB RAM, 12-Bit ADC, 2
USCIs, HW Multiplier.

New Generation MSP microprocessors are used in less than 1% of Zappers
sold today.