INFICON PLO-10i Phase Lock Oscillator - Manual (Page 36)

PLO-10 PHASE LOCK OSCILLATOR
CRYSTALS, HOLDERS AND FLOW CELL 7-2
Figure 10 INFICON 1" Crystal – Electrode Configuration
The figure below shows a INFICON 1” diameter as seen from the front side.
Figure 11 INFICON 1" Crystal - as Seen From The Front Side
7.1.2 CRYSTAL PARAMETERS
Polished one-inch diameter crystals that are commonly available for liquid work have the
typical values as listed below.
Type Frequency
Range (MHz)
Electrode
Material
Resistance
(ohms)
Q Factor
5 MHz 4.976 – 5.020 Gold ~10 120,000
9 MHz 8.976 – 9.036 Gold ~7 55,000