AD8368 datasheet(7/20 Pages) AD

номер детали	AD8368

подробное описание детали	800 MHz, Linear-in-dB VGA with AGC Detector

PDF	20 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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7 / 20 page

AD8368

Rev. A | Page 7 of 20

TYPICAL PERFORMANCE CHARACTERISTICS

VS = 5 V, T = 25°C, system impedance Z0 = 50 Ω, MODE = 5 V, unless otherwise noted.

–20

–15

–10

–5

100

1000

FREQUENCY (MHz)

0.25V

0.5V

0.75V

Figure 3. S21 vs. Frequency by VGAIN

–15

–10

–5

–4

–3

–2

–1

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

70MHz

+85°C

–40°C

+25°C

Figure 4. Gain and Conformance Error vs. VGAIN (f = 70 MHz)

–15

–10

–5

–4

–3

–2

–1

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

140MHz

+85°C

–40°C

+25°C

Figure 5. Gain and Conformance Error vs. VGAIN (f = 140 MHz)

–15

–10

–5

–4

–3

–2

–1

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

240MHz

+85°C

–40°C

+25°C

Figure 6. Gain and Conformance Error vs. VGAIN (f = 240 MHz)

–15

–10

–5

–4

–3

–2

–1

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

380MHz

+85°C

–40°C

+25°C

Figure 7. Gain and Conformance Error vs. VGAIN (f = 380 MHz)

0.7

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

0.6

–0.5 –0.4 –0.3 –0.2 –0.1

0.1

0.2

0.3

0.4

0.5

TIME (µs)

VGAIN

VOUTP

Figure 8. Gain Step Time Domain Response (6 dB Gain Step)

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