AD8352ACPZ-R7 datasheet(17/20 Pages) AD

tên linh kiện	AD8352ACPZ-R7

Giải thích chi tiết về linh kiện	2 GHz Ultralow Distortion Differential RF/IF Amplifier

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AD8352

Rev. 0 | Page 17 of 20

EVALUATION BOARD LOADING SCHEMES

The AD8352 evaluation board is characterized with two load

configurations representing the most common ADC input

resistance. The loads chosen are 200 Ω and 1000 Ω using a

broadband resistive match. The loading can be changed via R8,

R9, and R12 giving the flexibility to characterize the AD8352

evaluation board for the load in any given application. These

loads are inherently lossy and thus must be accounted for in

overall gain/loss for the entire evaluation board. Measure the

gain of the AD8352 with an oscilloscope using the following

procedure to determine the actual gain:

Measure the peak-to-peak voltage at the input node

(C2 or C3), and

Measure the peak-to-peak voltage at the output node

(C4 or C5), then

Compute gain using the formula

Gain = 20log VOUT/VIN

Table 11. Values Used for 200 Ω and 1000 Ω Loads

Component

200 Ω Load

1000 Ω Load

86.6

487

57.6

51.1

R12

86.6

487

AD8352ACPZ-R7 bảng dữ liệu(PDF) 17 Page - Analog Devices