AD8312 데이터 시트보기 (PDF) - Analog Devices
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AD8312 Datasheet PDF : 20 Pages
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AD8312
100ns/HORIZ DIV
RISE TIME 85ns
500mV/
VERT DIV
FALL TIME 120ns
VOUT
RF INPUT
PULSED RF
0.1GHz, 0dBm
200mV/VERT DIV
Figure 15. VOUT Response Time, RF Off to 0 dBm
ROHDE & SCHWARZ
SMT06 GENERATOR
PULSE MODULATION
TRIG OUT
3V
0.1µF
RF OUT
+3dB
AD8312
1 VPOS RFIN 6
2 VOUT COMM 5
RF
–3dB
SPLITTER
–3dB
52.3Ω
3 VSET CFLT 4 NC
NC = NO CONNECT
CH1
CH3*
TRIG
TEKTRONIX
TDS51504
SCOPE
*50Ω TERMINATION
Figure 16. Test Setup for Pulse Response
+j1
+j0.5
+j2
+j0.2
VOUT
500mV/VERT DIV
VPOS
2V/VERT DIV
1µs/HORIZ DIV
Figure 18. Power-On and Power-Off Response
HP8648B
SIGNAL
10MHz
REF OUTPUT
GENERATOR
EXT
TRIG
20dBm RF OUT
AD811
HP8116A
PULSE
TRIG
OUT
GENERATOR
PULSE
OUT
49.9Ω
732Ω
AD8312
1 VPOS RFIN 6
2 VOUT COMM 5
52.3Ω
3 VSET CFLT 4 NC
NC = NO CONNECT
TEKTRONIX
P6204
FET PROBE
TRIG
TEKTRONIX
TDS784C
SCOPE
Figure 19. Test Setup for Power-On and Power-Off Response
10k
1k
0
0.2
0.5
1
2
0.1GHz
–j0.2
0.9GHz
3.5GHz
1.9GHz
2.2GHz
–j0.5
2.5GHz
–j2
–j1
Figure 17. Input Impedance vs. Frequency; No Termination Resistor on RFIN
100
10
1
1
0dBm
–10dBm
–20dBm
–40dBm
–60dBm
RF OFF
3 10 30 100 300 1k 3k 10k
FREQUENCY (kHz)
Figure 20. Noise Spectral Density of Output; CFLT = Open
Rev. 0| Page 10 of 20
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