RMPA2451 データシートの表示（PDF） - Fairchild Semiconductor
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RMPA2451 Datasheet PDF : 7 Pages
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Application Information
CAUTION: THIS IS AN ESD SENSITIVE DEVICE.
The following describes the procedure for evaluating the RMPA2451, a partially-matched PHEMT monolithic power amplifier
which has been designed for wireless applications in the 2.4 - 2.5 GHz ISM band, in a surface mount package. The package
outline, along with the pin designations, is provided as Figure 1. The functional block diagram of the packaged product is
provided as Figure 2.
It should be noted that the RMPA2451 requires the use of external passive components to form the DC bias and RF output
matching circuits. The schematic for a recommended DC bias / RF matching circuit is shown in Figure 3, along with a list of
the appropriate components. Figure 4 illustrates the layout of an evaluation board based on this schematic (RMPA2451-TB).
Figures 5 and 6 illustrate typical device performance. This data for various operating parameters was obtained across the
design bandwidth over a range of temperatures.
Figure 5 shows the variation in Gain and P1dB with temperature and operating frequency.
Figure 6 shows the 3rd-order intermodulation product measured at different total output power levels.
Top View
0.200 SQ.
654
Bottom View
456
7
0.030
8
9
3
0.015
3
2
2
1
1
0.020
0.011
10 11 12
7
8
9
12 11 10
0.041
0.008
Plastic Lid
0.015
0.282
0.075 MAX
Side Section
Dimensions in inches
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Base
Description
Vd2 + RF Out
Vd2 + RF Out
Vd2 + RF Out
GND
Vd1
GND
GND
RF IN
GND
Vg1
Vg2
GND
GND
Figure 1. Package Information
©2004 Fairchild Semiconductor Corporation
RMPA2451 Rev. B
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