Microsoft PowerPoint - FRA\203Z\203~\203i\201[\214Q\224n\221

(FRA)
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Freqeuncy Response Analyzer)
FRA
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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1
IC
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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2.FRA
FRA
PSRR
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2.FRA
FRA
PSRR
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FRA
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68.66deg
44.93dB
500Hz=2msec
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Aβ
-1 =0dB)
180deg
Aβ
180deg
⇒Aβ
180deg
FRA
Aβ
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1
A
DC
⇒
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⇒
⇒
100dB
⇒
( Hz
MHz)
⇒
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e1 e2
|e2| |e1|
e1 e2
90deg
0dB
|e2|=|e
|=|e1|
e1 e2
e1=e2=∞
e1=e2=∞
eg
e1 e2
e2
eg
e1
0deg
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55deg
12deg
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BNCBNC-
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FRA
FRA
1
2
3
Basic Setup
/
⇒
(Sweep Up
ON
Down)
(
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LTC3604)
51Ω
51Ω
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DC)
LTC3604
VOUT
51Ω
51Ω
C5
9
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2.FRA
FRA
PSRR
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R3
CPU
FPGA
FRA
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DC
=>
=>
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FRA OSC
1Ω
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5mΩ
5mΩ
5kHz
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2 30mA
2.FRA
FRA
PSRR
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PSRR
PSRR
PSRR
Power Supply Rejection Ratio)
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PSRR
50Hz or 60Hz
DC
PSRR
⇒
DC)
⇒
PSRR
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PSRR
PSRR
BA/HSA/BP
FRA
OSC
CH1
FRA
FRA
+
+
-
-
DC
DC
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CH2
FRA
PSRR
PSRR
1/2500
68dB 1/2500
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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FRA
1.
2.
100kHz
3. FFT
96dB)
4. FRA(
)
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FRA
140dB
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FRA
FRA FFT
⇒
1
⇒
1
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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1.
50Ω
100Ω
※
SN
2.FRA
1/100
1/50
V
50
100mVpeak
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1 FRA
(
5V
SN
⇒
1mVpeak 72.78deg
10mVpeak 73.93deg
20mVpeak 73.75deg
⇒
50mVpeak 72.49deg
100mVpeak 70.20deg
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200mVpeak -- deg
(
2 FRA
OSC
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3.
Gain=0dB
=0deg
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Down Sweep
•
/
• OSC
(
)
Up Down
•
(
)
(
)
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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LCR
FRA
LCR
/
5V
FRA
250Vrms
LCR
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k
1k
ESR
1MHz
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FRA OSC
250Vrms)
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DC
100Hz
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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5.FRA
SLOW SWEEP
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FFT
(
)
FRA
(
)
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FRA
DC
FRA
DC
AC/DC
DC
DC
AC
D/A
C,R
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0
-20
RBW(
)
(
FRA
)
Gain(dB)
-40
FFT
-60
-80
(Integration)
-100
-120
100
1k
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⇒
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10k
Frequency(Hz)
100k
(DOWN SWEEP
)
Ω]
|Z| [[Ω]
DELAY = 0sec
DELAY = 0.3sec
DELAY = 3sec
× 10
- 100
- 50
0
[Hz] Ref=32.768kHz
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Copyright 2014 NF Corp. All rights reserved.
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50
100
SLOW SWEEP
|Z| [ Ω]
SLOW SWEEP (
- 1.2 - 1.0 - 0.8 - 0.6 - 0.4 - 0.2 +0.0 +0.2 +0.4 +0.6 +0.8 +1.0 +1.2
Δ
[ kHz] Ref=1MHz
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FRA
OSC CH1 CH2)
FRA5087 FRA5097
(
OSC)
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250Vrms
250Vrms
FRA
●
⇒
●
⇒
/
250Vrms
FRA
/
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PFC
390V)
⇒85deg
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250Vrms
Ri
250Vrms
IC FB
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⇒85deg
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1.
2.
FRA
3.
FRA)
4.
5.
6.
FRA
7.
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FRA5087/FRA5097
FRA5087 0.1mHz
FRA5097 0.1mHz
10MHz
15MHz
±0.05dB
±0.3°
140dB
250Vrms
-
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FRA5087/FRA5097
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ZGA5920
/
FRA
--
AC
DC
I/O
SDK
(
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)
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