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AD603 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD603
Description  Low Noise, 90 MHz Variable Gain Amplifier
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD603 Datasheet(HTML) 6 Page - Analog Devices

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AD603
Rev. G | Page 6 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
@ TA = 25°C, VS = ±5 V, –500 mV ≤ VG ≤ +500 mV, GNEG = 0 V, –10 dB to +30 dB gain range, RL = 500 Ω, and CL = 5 pF, unless otherwise
noted.
VG (V)
0.6
–0.6
–0.4
–0.2
0
0.2
0.4
40
30
20
10
0
–10
10.7MHz
100kHz
Figure 4. Gain vs. VG at 100 kHz and 10.7 mHz
GAIN VOLTAGE (Volts)
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
45MHz
70MHz
10.7MHz
455kHz
70MHz
Figure 5. Gain Error vs. Gain Control Voltage at 455 kHz,
10.7 MHz, 45 MHz, 70 MHz
–225
225
45
90
135
180
0
–45
–90
–135
–180
FREQUENCY (Hz)
100k
1M
10M
100M
4
2
3
0
1
–2
–1
–4
–5
–3
–6
GAIN
PHASE
Figure 6. Frequency and Phase Response vs. Gain
(Gain = −10 dB, PIN = −30 dBm)
–225
225
180
135
90
45
0
–45
–90
–180
–135
FREQUENCY (Hz)
100k
1M
10M
100M
4
2
1
3
0
–1
–2
–3
–4
–5
–6
GAIN
PHASE
Figure 7. Frequency and Phase Response vs. Gain
(Gain = +10 dB, PIN = −30 dBm)
–225
225
45
90
135
180
0
–45
–90
–135
–180
FREQUENCY (Hz)
100k
1M
10M
100M
4
2
3
0
1
–2
–1
–4
–3
–6
–5
GAIN
PHASE
Figure 8. Frequency and Phase Response vs. Gain
(Gain = +30 dB, PIN = −30 dBm)
GAIN CONTROL VOLTAGE (V)
0.6
–0.6
–0.4
–0.2
0
0.2
0.4
7.60
7.40
7.20
7.00
6.80
6.60
6.40
Figure 9. Group Delay vs. Gain Control Voltage


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