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参数资料
| 型号： | MHW932 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 衰减器 |
| 英文描述： | 32 W 890 to 915 MHz RF POWER AMPLIFIER |
| 中文描述： | 890 MHz - 915 MHz RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER |
| 文件页数： | 4/6页 |
| 文件大小： | 117K |
| 代理商： | MHW932 |
MHW932
4
MOTOROLA RF DEVICE DATA
APPLICATIONS INFORMATION
NOMINAL OPERATION
All electrical specifications are based on the nominal
conditions of Vs1 = Vs2 = Vs3 = Vs4 = 12.5 Vdc (Pins 2, 3,
5, 6), and Vb = 5.0 Vdc (Pin 4). With these conditions, maxi-
mum current density on any device is 1.5 x 105 A/cm2 and
maximum die temperature is 165
°
C. While the modules are
designed to have excess gain margin with ruggedness, op-
eration of these units outside the published specifications is
not recommended unless prior communications regarding in-
tended use have been made with the factory representative.
GAIN CONTROL
The module output power should be limited to specified
value. The preferred method of power control is to fix Vs1 =
Vs2 = Vs3 = Vs4 = 12.5 Vdc (Pins 2, 3, 5, 6), Vb = 5.0 Vdc (Pin
4), and vary Pin (Pin 1) from 0 to 100 mW.
DECOUPLING
Due to the high gain of the four stages and the module size
limitation, external decoupling networks require careful con-
sideration, Pins 2, 3, 4, 5, and 6 are internally bypassed with
a 0.018
μ
F chip capacitor which is effective for frequencies
from 5.0 MHz through 940 MHz. For bypassing frequencies
below 5.0 MHz, networks equivalent to that shown in Figure
1 are recommended. Inadequate decoupling will result in
spurious outputs at certain operating frequencies and certain
phase angles of input and output VSWR.
LOAD MISMATCH
During final test each module is load mismatch tested in a
fixture having the identical decoupling networks described in
Figure 1. Electrical conditions are Vs1 = Vs2 = Vs3 = Vs4 =
15.6 Vdc (Pins 2, 3, 5, 6), and Vb = 5.0 Vdc (Pin 4), VSWR
equal to 10:1, and output power equal to 40 watts.
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| MHWJ7182CN | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
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