B
C A
+V
PSfrag replacements
R 2 R 1 C 2
C 1
L
N
B
C A
PSfrag replacements
R 2
R 1
C 2 C 1
L
N
1
-130 -120 -110 -100 -90 -80 -70 -60
0 50 100 150 200 250 300 350 400
L=12.147 mH L=13.792 mH
L=15.067 mH L=14.073 mH L=14.339 mH
PSfragreplacements
amplitude (dBm)
frequency (a.u.)
2
PSfrag replacements
R 2
C 2 C 1
L N
3
46.2kΩ 46.2kΩ 1240Ω 315Ω
315Ω
3240Ω 3240Ω
+
−
UA741
+15V
−15V
1N4003x2
= N
3.3Ω
Ω470
470Ω
10kΩ 10kΩ UA741
+
−
µ 0.1 F
=
P
L
+15V
−15V
=
PΩ850 Ω50kΩ10k
Ω46k DS1669−10DS1669−50
Ω 30k
4
EPLD based 14.31818 MHz
quartz (ref)
freq. counter 24 bits counter
level ref.
− +
−12 +12
ADC
− +
non−inverting amplifier
offset and amplification detector
amplitude analog
switch with hysteresis (datasheet p.6)
non−inverting comparator
&
1/4 7408 // port
S
1/4 4066 // port
1/4 4066 1uF
10k
− +
+5V 10k
1M
LM393
1/2 OP213
signal
3.3k // port
100k pot
− +
− +
1/2 TL074 1/2 OP213
frequency follower
AA119
5
6
0 500 1000 1500 2000 2500 3000 3500 4000
12.5 13 13.5 14 14.5 15
PSfrag replacemen ts
amplitude (a.u.)
parameter L (mH)
7
-1 -0.8 -0.6 -0.4 -0.2 0
12.5 13 13.5 14 14.5 15
PSfrag replacemen ts
Allan deviation slop e
parameter L (mH) period ( µs)
447 461 475 489 503 517 531 545 559 573
12.5 13 13.5 14 14.5 15
PSfrag replacemen ts
Allan deviation slope
parameter L (mH)
p erio d ( µs )
8
503 517 531 545 559 573 587
503 517 531 545 559 573 587 14.208 mH
13.934 mH 14.058 mH 13.498 mH 13.187 mH 14.339 mH
PSfrag replacemen ts
p erio d f n +1 ( µs )
period f n (µs)
9
2100 2200 2300 2400 2500 2600 2700 2800
503 517 531 545 559 573 587 14.208 mH
13.934 mH 14.058 mH 13.498 mH 13.187 mH 14.339 mH
PSfrag replacemen ts
amplitude (a.u.)
period (µs)
10
2100 2200 2300 2400 2500 2600 2700 2800
2100 2200 2300 2400 2500 2600 2700 2800 14.010 mH
14.415 mH
PSfrag replacemen ts
amplitude a n +1 (a.u.)
amplitude a n (arbitrary units)
11
X Y Z
amplitude(n+2)
2100 2200 2300 2400 2500 2600 2700 2784
amplitude(n+1)
2100220023002400 250026002700
amplitude(n)
22002100 24002300 26002500 2700
X Y Z
amplitude(n+2)
2100 2200 2300 2400 2500 2600 2700 2784
amplitude(n+1)
2100 2200 2300 2400 2500 2600 2700
amplitude(n)
2100 2200 2300 2400 2500 2600 2700
X Y
Z
amplitude(n+2)
2100 2200 2300 2400 2500 2600 2700 2784
amplitude(n+1)
2700 2600 2500 2400 2300 2200 2100amplitude(n)
2100220023002400250026002700