AD603
–1.0
–1.2
–1.4
+5V
HP3326A
DUAL-
CHANNEL
SYNTHESIZER
100Ω
4
8
3
5
7
0.1µF
NEGATIVE OUTPUT VOLTAGE (V)
00539-010
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
–2.8
–3.0
–3.2
0
50
100
200
500
1000
LOAD RESISTANCE (Ω)
2000
00539-013
AD603
1
2
10×
PROBE
511Ω
HP3585A
SPECTRUM
ANALYZER
6
0.1µF
–5V
DATEL
DVC 8500
–3.4
Figure 10. Third-Order Intermodulation Distortion Test Setup
Figure 13. Typical Output Voltage Swing vs. Load Resistance
(Negative Output Swing Limits First)
102
10dB/DIV
INPUT IMPEDANCE (Ω)
00539-011
100
98
96
94
100k
1M
10M
FREQUENCY (Hz)
100M
00539-014
00539-015
Figure 11. Third-Order Intermodulation Distortion at 455 kHz
(10× Probe Used to HP3585A Spectrum Analyzer, Gain = 0 dB, P
IN
= 0 dBm)
Figure 14. Input Impedance vs. Frequency (Gain = −10 dB)
102
10dB/DIV
INPUT IMPEDANCE (Ω)
00539-012
100
98
96
94
100k
1M
10M
FREQUENCY (Hz)
100M
Figure 12. Third-Order Intermodulation Distortion at 10.7 MHz
(10× Probe Used to HP3585A Spectrum Analyzer, Gain = 0 dB, P
IN
= 0 dBm)
Figure 15. Input Impedance vs. Frequency (Gain = 10 dB)
Rev. H | Page 7 of 24
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