參數(shù)資料
型號: ADL5604ACPZ-R7
廠商: ANALOG DEVICES INC
元件分類: 放大器
英文描述: 700 MHz - 2700 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER
封裝: 4 X 4 MM, ROHS COMPLIANT, MO-220-VGGC, LFCSP_VQ, 16 PIN
文件頁數(shù): 13/24頁
文件大?。?/td> 609K
代理商: ADL5604ACPZ-R7
ADL5604
Rev. A | Page 20 of 24
EVALUATION BOARD
The schematic of the ADL5604 evaluation board is shown in
Figure 43. This evaluation board uses 25 mils wide, 50 Ω traces
and is made from IS410 material, with a 23mils gap to ground.
The evaluation board is tuned for operation at 2140 MHz. The
inputs and outputs should be ac-coupled with appropriately
sized capacitors; therefore, for low frequency applications, C1
and C2 may need to be increased. DC bias is provided to the
output stage via an inductor connected to the RFOUT pin. A
bias voltage of 5 V is recommended. The evaluation board has a
short non 50 Ω line on its output to accommodate the four
output pins and allow for easier low inductance output matching.
The pads for Pin 9 to Pin 12 are included on this microstrip line
and are included in all matches. Figure 46 shows the close-up
image of the recommended output pad. The evaluation board
also has hash marks close to the input and output of the
ADL5604, separated by 40 mils. The hash mark closest to the
input is 127 mils from the chip, and the hash mark closest to the
output is 20 mils from the chip.
U2 and its associated circuitry are required only if it is desired
to power down the ADL5604. On the evaluation board, it is
necessary to remove R2 and install a 0 Ω resistor in the R4
position to enable this feature.
RFIN
VBIAS
RFOUT
12
VCC2
11
VBIAS
10
RFIN
9
RFIN
1
2
3
4
ADL5604
GND1
VCC1
L1
16nH
VCC2
VBIAS
GND2
R9
0
R10
0
R6
0
R8
0
R3
OPEN
L2
OPEN
R4 OPEN
GND3
AD8009
C15
0.1F
R1
301
–VS
+VS
U2
NOTE 1
C5
2.4pF
C2
22pF
R2
0
R5
0
NOTES
1. THE COMPONENTS CONTAINED INSIDE THE DASHED BOX ARE ONLY REQUIRED IF IT IS
DESIRED TO POWER DOWN THE ADL5604.
C1
0
C3
1.3pF
C4
2.7pF
C11
10nF
C12
0.1F
C9
10nF
C10
0.1F
C6
10nF
C7
0.1F
C8
10F
RFOUT
C14
0.1F
08220-
044
13
8
14
7
15
6
16
5
GND GND GND GND
Figure 43. Evaluation Board, 2140 MHz
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