Crystal Measurements for IF

A series of measurements was made on a range of crystals and a few ceramic resonators and the results are shown in the table below. These results are useful for:

The measurement set up is shown first.

1
2
3
4
5
6
7
8
9
10
Series Resonant Frequency in MHz with the following value
for C1 in pF
Parallel
Resonance
Freq.
MHz
Type/Pkg
4p7
10p
27p
56p
120p
220p
Short circuit
Short circuit
2.45
CR
2.5022
2.4835
2.4482
2.4182
2.3902
2.3741
2.3506
2.5245
2.4576
X / 3
2.4584
2.45798
2.45764
2.4575
2.45744
2.4574
2.45738
2.45993
2.5
X / 2
2.50091
2.50044
2.50005
2.49989
2.4998
2.49977
2.49972
2.5026
3.39
X / 1
3.39151
3.39078
3.39018
3.3899
3.39876
3.3897
3.38962
3.39415
3.39211
X / 1
3.39347
3.39276
3.39216
3.3919
3.39175
3.39169
3.39163
3.39635
3.39895
X / 1
3.40072
3.3998
3.39903
3.3987
3.39853
3.39844
3.39834
3.4043
3.39895
X / 1
3.40074
3.3998
3.39903
3.39869
3.39851
3.39842
3.39832
3.40443
3.57954
X / 1
3.5817
3.5804
3.57925
3.57877
3.57852
3.57838
3.57825
3.58613
7.055
X / 1
7.06077
7.05813
7.05558
7.05438
7.05364
7.05336
7.05039
7.0677
9
X /3 a
9.00682
9.00362
9.00078
8.9996
8.99885
8.99865
8.99824
9.0159
9
X / 3 a
9.00726
9.0038
9.00094
8.99953
8.99887
8.99861
8.99817
9.01712
9
X / 5 b
9.00757
9.00407
9.00083
8.9994
8.99858
8.99821
8.99776
9.01696
10
X / 4
10.00812
10.00424
10.00084
9.99938
9.99848
9.99816
9.99789
10.01909
12
X / 4
12.00825
12.00437
12.00076
11.99896
11.99794
11.99755
11.99707
12.01772
12
CR
12.26818
12.16535
11.999
11.8937
11.81071
11.7739
11.71744
12.41283
14
X / 3 *
14.01561
14.01035
14.0057
14.0037
14.00242
14.00196
14.00113
14.02909
20
X / 4 *
20.01398
20.00707
20.0014
19.99847
19.99724
19.99675
19.99586
20.0326
20
CR
20.00876
19.9901
19.96921
19.9562
19.94966
19.94618
19.93958
20.03948

Type/Package Keys:

CR
Ceramic Resonator
X
Quartz crystal
*
High side spurious noted
1
HC6/u solder seal
3
HC18/u solder seal
5
HC18/u size resistance weld
2
HC6/u size cold weld
4
HC18/u size cold weld
a
IQ Designs non matched series
b
PA3AKE low dust high IP3 type

Notes:

The switch is shown in the short circuit position.