This is a set of small, battery - powered crystal oscillators. As they are intended for Antenna Measurement,
a 9-Pole Lowpass is also onboard. In order to make it portable, a battery compartment houses 2 x AAA batteries.
The 3 V from the batteries is linear regulated to 2.5 V to power the xco. An attenuator at the output
shall match the impedance to something close to 50 Ω. As there is an uncounteable number of crystal
oscillators available out there, we designed 'some' boards, in order to have a reasonable selection.
Currently, these boards are available :
BOARD
POSSIBLE XCO
CMOS_2.5V_5x3.2mm_4Pin
KC5032A (KYOCERA AVX)
LVDS_2.5V_2.5x3.2mm_6Pin
SG3225VAN (Epson Timing)
... And yes, the name was inspired by Star Trek :-)
✈ CMOS
Our candidate from Kyocera produces approx. - 4 dBm @ 150 MHz. Powered by 2.5 V (minimum).
✈ LVDS
Our candidate from Epson produces approx. - 19.2 dBm @ 250 MHz. Powered by 2.5 V (minimum). If you need more power,
try bypassing the linear voltage regulator. Still too low : change the attenuator at the output.
✈ Share your thoughts
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