1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61019 2 2: KS C IEC 61019 2: 2007(2012 ) 2007 11 30 http:/www.kats.go.krKS C IEC 61019 2: 2007 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2007 11 30 :2012 12 31 2012-0857 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 61019 2: 2007
2、i .1 1 1 2 1 3 2 4 2 4.1 2 4.2 3 5 .4 5.1 4 5.2 5 5.3 (Spurious modes) .9 5.4 .9 5.5 (Available characteristics) 11 6 13 6.1 .13 6.2 16 7 16 19 KS C IEC 61019 2: 2007 (2012 ) 2: Surface acoustic wave(SAW) resonators Part 2: Guide to the use 2005 2 IEC 61019 2, Surface acoustic wave(SAW) resonators P
3、art 2:Guide to the use , . , . KS C IEC 61019 1 , . , , . VHF UHF . . . 1 . VCR RF , CATV , , . , (oscillator) . . . . IEC , , , , . . , . 2 . . ( ) . KS C IEC 61019 1: 2007, 1: IEC 61019 3: 1991, Surface acoustic wave(SAW) resonators Part 3: Standard outlines and lead connections KS C IEC 61019 2:
4、2007 2 3 . . 1- , , , , 2- , , , . KS C IEC 61019 1 8.5 8.6 . . 4 4.1 (IDT) . , (Al, Au ) , . (die) , (IDT) . . 1- , 2- . 1 , 2 leff 5.2 c) (resonator cavity length) . 1 1- KS C IEC 61019 2: 2007 3 2 2- 4.2 . . (perturbation) . , . , . , (standing wave) , Q . 3 1- . . fr . fr vs/(2d) vs/0 vs: d : 0
5、: 3 KS C IEC 61019 2: 2007 4 5 5.1 . 4 , a) (ridge) b) (grooves) c) , h (h/0) 1 % w (w d/2 0/4) 0.5 % . 1 % . . a) b) c) 4 . 2 / , KS C IEC 61019 2: 2007 5 . 5 (NR) (total reflectivity) . f0 . )tanh(Rmax= N (cavity) Q . 5 NR . NR . . NR 4 . . . , h/0 . NR . h/0 . a) . b) h/0 vs/(2d) . . (shear wave)
6、 . . 5.2 a) 1- 1- 6 . KS C IEC 61019 2: 2007 6 6 1- 7 1- . (figure of merit) M Q/r . , X LiTaO3 Q r , Q r . . Q r . 7 . Re(f) jXe(f), Xe Re . 8 , Xe/Re 0 . 11s21CLf= : ( ) 11s/2 RLfQ = : r C0/C1 : M Q/r : L1, C1,R1 : , , C0 : 7 1- KS C IEC 61019 2: 2007 7 8 (Re), (Xe) Xe/Re . (Xe/Re)max (Q/r)/4 Q .
7、. (aperture) . (stray capacitance) r , Q . , Q . b) 2- 2- 9 . 9 2- (spurious response) 0 (fa) 0 (fr) KS C IEC 61019 2: 2007 8 2- 10 . (L1), (C1), (R1) ( ) , (CIN, COUT), . (turn) () . 1 . 0 1 180 1 . 2- 1 . L1: CIN: C1: COUT: R1: : 10 2- 2- 1- . (easy-to-oscillate) 0 180 . R1 . , (CIN COUT ) . c) 1-
8、 . a00eff14RflL =a121RR = 1201)2(1LfC= 0r0)1( += wNC 002sa81NCfkR = : f0 (radiation resistance) f0: vs/(2d) N : w : ks2: r: 0: : KS C IEC 61019 2: 2007 9 0 : leff: 1 2 leff S 0/(2), S . 2- C0 CIN COUT , . 5.3 (Spurious modes) . . (leaky SAW), SSBW, (Love waves) . . 6 9 1- 2- . . . . , , (frequency p
9、ulling) . VCO( ) . . . . . . 1- ( )/( ) 2- ( )/( ) 2- . 5.4 . . 1) (vs) 2) (ks2) 3) (Temperature Coefficient of Frequency: TCF) 4) (r) 5) 6) 7) 1) 5) , 6) 7) . . KS C IEC 61019 2: 2007 10 0 . , . . . a) vs(m/s) . fr(MHz) . fr vs/(2d) d(m): (spatial period of the grating) , . . 2 000 m/s 5 000 m/s .
10、b) ks2 ( ) . r . , . . rmin 2/(8ks2) c) . Y- (ST- ) Li2B4O7 . 11 . 11 . 200)()( TTbTTaff+=KS C IEC 61019 2: 2007 11 f/f : (fractional frequency change) T0 : (turnover temperature) T : a : 1 b : 2 1 . d) (relative permittivity) 2 . , C0 . e) (material propagation loss) . Q ( ), ( ), , , . Qm Q . f) .
11、 , , . . 1 . 1 vs ks2a b m/% 106/K 109/K2 rST 42.75 Y X 3 157 0.16 0 34 4.5 LST 75 Y X 3 960 0.11 0 3rdorder 4.5 LiNbO3Y Z 3 488 4.82 94 36.7 LiNbO3128 Y X 4 000 5.56 74 39.1 LiNbO364 Y X 4 742 11.3 79 58.4 LiTaO3X 112 Y 3 295 0.64 18 44.0 LiTaO336 Y X 4 178 4.8 33 51.1 Li2B4O745 Y Z 3 401 1 0 270 9
12、.6 5.5 (Available characteristics) a) (frequency range) d(m) , vs/(2d) vs(m/s) . . . . 60 MHz GHz . . b) (quality factor) 5.4 e) Qm . Qm , Qm 107/f . f . Qm . ST 100 MHz Q 15 000 20 000 KS C IEC 61019 2: 2007 12 600 MHz Q 10 000 . c) (temperature coefficient of frequency) . ( ) , . Li2B4O7 . (turn-o
13、ver) , . 20 75 , 10 . . , , . . d) (long-term stability) (ageing) . . . , . . , , . (over-excited condition) , . . 5.5 e) . , ppm/ . e) (power durability) . . . . (epitaxially-grown) . (grain boundary) . , , . f) (short-term stability) SSB(Single Side-Band) , FM C/N(Carrier to Noise ratio) . . LC . g) (availability) 1- 2 . 2- 1- . KS C IEC 61019 2: 2007 13 2 600 MHz 1- ST X112 Y LiTaO336 YX LiTaO3 (Q) 12 000 24 000 12 000 17 000 600 (r) 1 200 1 600 800 14 (M Q/r) 9 17 18 40 (TCF) 0.034106/K2 18106/K 33106/K 6 6.1 (frequency multiplex
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