AD640 datasheet(6/19 Pages) AD

6 / 19 page

AD640

REV.

–6–

INPUT LEVEL – dBm

–2.5

–2.0

0.5

–40

–0.5

–1.5

–1.0

–50

–30

–20

–10

30MHz

60MHz

90MHz

120MHz

AD640

VS = 5 VOLTS

TEMPERATURE = +25 C

Figure 10. AC Response at 30 MHz, 60 MHz, 90 MHz and

120 MHz, vs. dBm Input (Sinusoidal Input)

FREQUENCY – MHz

1.0

0.95

0.90

0.85

0.80

120

150

Figure 11. Slope Current, IY, vs. Input Frequency

Figure 12. Baseband Pulse Response of Single AD640,

Inputs of 1 mV, 10 mV and 100 mV

+25 C

+125 C

–55 C

+125 C

–55 C

+25 C

+125 C

–55 C

INPUT LEVEL – dBm

–2.5

–50

–2.0

–1.5

–1.0

–5

0.5

–40

–30

–20

–10

–1

–2

+125 C

+25 C

AD640

FREQUENCY = 60MHz

Figure 13. Logarithmic Response and Linearity at 60 MHz,

TA for TA = –55 C, +25 C, +125 C

INPUT FREQUENCY – MHz

120

100 110

Figure 14. Intercept Level (dBm) vs. Frequency

(Cascaded AD640s – Sinusoidal Input)

5µs

20mV

100

Figure 15. Baseband Pulse Response of Cascaded

AD640s, Inputs of 0.2 mV, 2 mV, 20 mV and 200 mV

–Typical AC Performance Characteristics

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