AD641-EB datasheet(5/16 Pages) AD

5 / 16 page

REV. C

AD641

–5–

Typical AC Performance Characteristics–

INPUT LEVEL – dBm

–2.25

–2.00

0.25

–48 –44 –40

–4

–1.25

–0.50

–0.25

0.00

–1.75

–1.50

–0.75

–1.00

–52

–36 –32 –28 –24 –20 –16 –12 –8

50MHz

150MHz

190MHz

210MHz

250MHz

Figure 10. AC Response at 50 MHz, 150 MHz, 190 MHz,

210 MHz at 250 MHz, vs. dBm Input (Sinusoidal Input)

INPUT FREQUENCY – MHz

87.5

70.0

250

100

150

170

190

210

230

85.0

80.0

77.5

75.0

72.5

82.5

Figure 11. Intercept Level (dBm) vs. Frequency (Cascaded

AD641s—Sinusoidal Input)

Figure 12. Baseband Pulse Response of Single AD641,

Inputs of 1 mV, 10 mV and 100 mV

INPUT LEVEL – dBm

–2.00

–1.75

0.50

–48 –44 –40

–4

–1.00

–0.25

–0.00

0.25

–1.50

–1.25

–0.50

–0.75

–52

–36 –32 –28 –24 –20 –16 –12 –8

+25 C

+125 C

–55 C

+25 C

+125 C

–55 C

OUTPUT

+25 C

+125 C

–55 C

+125 C

ERROR

+25 C

–55 C

–1

–2

–3

–4

–5

Figure 13. Logarithmic Response and Linearity at

200 MHz, TA for TA = –55°C, +25°C, +125°C

INPUT FREQUENCY – MHz

1.0

0.95

0.75

250

150

190

210

0.90

0.85

0.80

Figure 14. Slope Current, IY, vs. Input Frequency

5µs

20mV

100

Figure 15. Baseband Pulse Response of Cascaded AD641s

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

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