ADL6010SCPZN-R7 datasheet(19/23 Pages) AD

tên linh kiện	ADL6010SCPZN-R7

Giải thích chi tiết về linh kiện	Fast Responding, 45 dB Range, 0.5 GHz to 43.5 GHz Envelope Detector

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19 / 23 page

Data Sheet

ADL6010

Rev. E | Page 19 of 23

EFFECT OF A CAPACITIVE LOAD ON RISE TIME

AND FALL TIME

The ADL6010 can measure both the instantaneous envelope

power and the average power of an RF signal. When VOUT is

unloaded, the output follows the envelope of the input tracking

bandwidths up to 40 MHz. By adding a simple RC circuit to the

basic connections circuit as shown in Figure 40, the output

signal can be averaged using single pole filtering.

In applications where the response bandwidth is fairly low,

place a large shunt capacitor, CLOAD, directly on the VOUT pin.

Figure 46 shows how rise time and fall time depend on CLOAD

when the ADL6010 is driven by a square wave modulated RF

input at a carrier frequency of 1 GHz.

0.001

0.01

0.1

100

1000

0.01

0.1

100

1000

CLOAD (nF)

FALL TIME (µs)

90% TO 10%

RISE TIME (µs)

10% TO 90%

Figure 46. Rising Time/Falling Time vs. CLOAD for a 1 GHz Modulated Pulsed

Waveform with PIN = 0 dBm

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