AD603 datasheet(11/14 Pages) AD

11 / 14 page

AD603

REV. C

–11–

GAIN VOLTAGE – Volts

2.50

–0.5

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

–1.50

–0.4 –0.3 –0.2 –0.1 0.0 0.2 0.3 0.4

0.5 0.6

45MHz

70MHz

10.7MHz

455kHz

70MHz

Figure 16. Gain Error vs. Gain Control

Voltage at 455 kHz, 10.7 MHz, 45 MHz,

70 MHz

FREQUENCY – Hz

100k

10M

100M

Figure 19. Frequency and Phase

Response vs. Gain (Gain = +30 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

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)

FREQUENCY – Hz

100k

10M

100M

Figure 17. Frequency and Phase

Response vs. Gain (Gain = –10 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

GAIN CONTROL VOLTAGE – Volts

7.60

–0.6

7.40

7.20

7.00

6.80

6.60

6.40

–0.4

–0.2

0.2

0.4

0.6

Figure 20. Group Delay vs. Gain

Control Voltage

10dB/DIV

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)

FREQUENCY – Hz

100k

10M

100M

Figure 18. Frequency and Phase

Response vs. Gain (Gain = +10 dB,

PIN = –30 dBm, Pin 5 Connected to

Pin 7)

DATEL

DVC 8500

HP3326A

DUAL

CHANNEL

SYNTHESIZER

100

+5V

0.1 F

–5V

511

AD603

PROBE

HP3585A

SPECTRUM

ANALYZER

0.1 F

Figure 21. Third Order Intermodula-

tion Distortion Test Setup

LOAD RESISTANCE –

–1.0

–1.2

–1.4

–1.6

–1.8

–2.0

–2.2

–2.4

–2.6

–2.8

–3.0

100

200

500

1000 2000

–3.2

–3.4

Figure 24. Typical Output Voltage

Swing vs. Load Resistance (Negative

Output Swing Limits First)

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