Technical Terms of Crystal Oscillator

Learn some technical terms data before you make the crystal oscillator design.

1. Bin: Bin selected for crystal

2. BT: Blank thickness

3. C0: Static Capacitance 

4. C0/C1: Capacity ratio

5. C1: Motional Capacitance 

 6. CL: Load capacitance for specified frequency

7. DATE: Measurement date stamp 

8. DFL: FL@CL1-FL@CL2 

9. DLD1: MaxR/RR 

10.DLD2: MaxR-MinR 

11.DLD3: FirstR-LastR

12.DLD4: MaxR/RR

13.DLD5: FirstR/LastR

14.DLD6: MaxR/MinR 

15.DLD7: ((MaxR-MinR)/MaxR)*100 DLD2

16.DLDH: DLD Hysteresis MaxR/MinR 

17.DLDH2: DLD Hysterisis MaxR-MinR DLD 

18.DLDH2P: DLD Power level of Max Hysterisis MaxR-MinR DLD 

19.DLDHP Show the power of worst Rmax/Rmin DLD

20.DLDF: DLD Frequency at a specific DLD step

21.DLDP: DLD Power output at a specific DLD step

22.DLDR: DLD Resistance at a specific DLD step

23.FC: Fr/divisor FR 

24.FDIF: FR-RAWFR or FL-RAWFR (based on first test) 

25.FDLD: MaxFR-MinFR 

26.FDLDH: DLD Hysteresis MaxFR-MinFR

27.FFM: Frequency near specified frequency 

28.FL: FL@CL(Load frequency) 

29.FLR: FL @CL-FR 

30.FR: Series resonant frequency 

31.FRM: Resistance at specified resonant frequency 

32.FRR: FRM/RR

33.I: Current into crystal

34.L: Motional inductance

35.LFR: Last FR 

36.LRR: Last R 

37.OT: Overtone 

38.PWR: Power into crystal

39.Q: Quality factor

40.RAWF: Raw frequency 

41.RFOUT: RF output level RF

42.RL: Resistance at FL 

43.RLD: DLD MaxR-RR

44.RLD2: DLD MaxR 

45.RLD3: DLD MinR

46.RR: Resistance

47.SP50: Attenuation at 50 Ohm fixture relative to main mode 

48.SPDB: Attenuation at 12.5 Ohm fixture relative to main mode 

49.SPFL: Load Frequency of spur 

50.SPFR: Frequency of spur

51.SPRL: Max Spur resistance at Load Frequency 

52.SPRR: SpurR/RR   

53.SPUR: Minimum SpurR 

54.SSDB: Spur Sweep peak attenuation relative to main mode 

55.SSDLF: Spur Sweep raw frequency of the local max for SSDLT 

56.SSDLT: Spur Sweep maximum of (local max – local min) 

57.SSF: Spur Sweep peak raw frequency

58.Status: Status of crystal test

59.TC: Time constant [ L / ( RR+Network Resistance )

60.TIME: Measurement time stamp

61.TS: Trim sensitivity