The Resource Magazine For Apple, Atari, and Commodore ...

50 COMPUTE! September/October, 198O. Issued
The STAR modem from Livermore represents a
significant breakthrough in the development of
acoustic modems. The small, lightweight case
houses a high-performance modem that competes
with the highest quality standard-sized couplers
available. Yet. because of its costs effective design,
the STAR has become the price/performance leader
in the industry.
CIRCUITRY
The switchable, four-section bandpass filter provides
the user with excellent out-of-band rejection to
assure accurate processing of the received car
rier, even at signal levels of less than -47 dBm.
Further, the proven soft hmiter and phase lock
loop discriminator yields data that is essentially
litter free.
The oscillator is built using highly stable, statevariable
circuitry that delivers a nearly harmonic
free, phase coherent sine wave to the telephone
network, assuring compatibility with all other
103 type modems. Because of the pureness of the
sine wave, the STAR modem exceeds even the
stringent fiarmonic requirements of all CCITT
countries
THE STAR MODEM
From Livermore Data Systems