AD603(RevC) Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

AD603
(Rev.:RevC)

Low Noise, 90 MHz Variable-Gain Amplifier

Analog Devices 

2.50

2.00

45MHz

1.50

1.00

70MHz

10.7MHz

0.50

0.00

–0.50

–1.00

70MHz

455kHz

–1.50

–0.5 –0.4 –0.3 –0.2 –0.1 0.0 0.2 0.3 0.4 0.5 0.6

GAIN VOLTAGE – Volts

Figure 16. Gain Error vs. Gain Control

Voltage at 455 kHz, 10.7 MHz, 45 MHz,

70 MHz

100k

1M

10M

FREQUENCY – Hz

100M

Figure 17. Frequency and Phase

Response vs. Gain (Gain = –10 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

AD603

100k

1M

10M

FREQUENCY – Hz

100M

Figure 18. Frequency and Phase

Response vs. Gain (Gain = +10 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

100k

1M

10M

FREQUENCY – Hz

100M

Figure 19. Frequency and Phase

Response vs. Gain (Gain = +30 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

7.60

7.40

7.20

7.00

6.80

6.60

6.40

–0.6 –0.4 –0.2 0

0.2 0.4 0.6

GAIN CONTROL VOLTAGE – Volts

Figure 20. Group Delay vs. Gain

Control Voltage

HP3326A

DUAL

CHANNEL

SYNTHESIZER

100⍀

0.1␮F

+5V

0.1␮F

AD603

10؋

PROBE

HP3585A

SPECTRUM

ANALYZER

511⍀

–5V

DATEL

DVC 8500

Figure 21. Third Order Intermodula-

tion Distortion Test Setup

10dB/DIV

10dB/DIV

Figure 22. Third Order Intermodula-

tion Distortion at 455 kHz (10× Probe

Used to HP3585A Spectrum Analyzer,

Gain = 0 dB, PIN = 0 dBm, Pin 5 Con-

nected to Pin 7)

Figure 23. Third Order Intermodula-

tion Distortion at 10.7 MHz (10× Probe

Used to HP3585A Spectrum Analyzer,

Gain = 0 dB, PIN = 0 dBm, Pin 5 Con-

nected to Pin 7)

–1.0

–1.2

–1.4

–1.6

–1.8

–2.0

–2.2

–2.4

–2.6

–2.8

–3.0

–3.2

–3.4

0

50 100 200 500 1000 2000

LOAD RESISTANCE – ⍀

Figure 24. Typical Output Voltage

Swing vs. Load Resistance (Negative

Output Swing Limits First)

REV. C

–11–

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