參數(shù)資料
型號: RF2459
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: 3V PCS DOWNCONVERTER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO8
封裝: MSOP-8
文件頁數(shù): 5/8頁
文件大?。?/td> 122K
代理商: RF2459
Preliminary
8-101
RF2459
Rev A2 010717
8
F
Evaluation Board S chematic
RF =1.959 MHz, IF =210MHz
(Download Bill of Materials from www.rfmd.com.)
1
2
3
4
8
7
6
5
L1
4.7 nH
C1
1.5 pF
J1
LO IN
C3
22 pF
C2
100 nF
VCC
C4
1.5 pF
L2
2.2 nH
J2
RF IN
R1
16k
L3
100 nH
C5
9 pF
C6
9 pF
C7
4 pF
J3
IF OUT
L4
180 nH
VCC
50
μ
strip
50
μ
strip
50
μ
strip
VCC
GND
N/C
1
2
3
P1
CON3
NOTES:
1) R1, L3, C5, and C6 are chosen to produce an output impedance, R
OUT
, of 1000
@ 210 MHz.
2) L4 and C7 are chosen to match the 1000
output impedance to 50
for testing purposes.
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