LT5527 データシートの表示（PDF） - Linear Technology
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LT5527 Datasheet PDF : 20 Pages
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LTC5590
Test Circuit
VCCIF
3.3V TO 5V
200mA
C6
T1A
4:1
IFA
50Ω
C7A
L1A
L2A
C5A
VCC
3.3V
180mA
0.015”
0.062”
0.015”
24 23 22
C1A
GND IFGNDA IFA+
RFA
50Ω
1 RFA
21 20 19
IFA– IFBA VCCA
ISEL 18
C3A
C4
ISEL
(0V/3.3V)
2 CTA
3 GND
LTC5590
ENA 17
LO 16
ENA
(0V/3.3V)
C2
LO
50Ω
4 GND
GND 15
5 CTB
C1B
RFB
50Ω
6 RFB
GND IFGNDA IFB+
789
L1B
ENB 14
GND 13
IFB– IFBB VCCB
10 11 12
C3B
C5B
L2B
ENB
(0V/3.3V)
5590 TC01
C7B
IFB
4:1
50Ω
T1B
RF
GND DC1710A
BOARD
BIAS STACK-UP
GND (NELCO N4000-13)
12
L1, L2 vs IF FREQUENCIES
IF (MHz)
L1, L2 (nH)
140
270
190
150
240
100
300
56
380
33
450
22
REF DES
VALUE
SIZE
C1A, C1B
100pF
0402
C2
10pF
0402
C3A, C3B
22pF
0402
C5A, C5B
C4, C6
1µF
0603
C7A, C7B
1000pF
0402
L1, L2
150nH
0603
T1A, T2B TC1-1W-7ALN+
Figure 1. Standard Downmixer Test Circuit Schematic (190MHz)
COMMENTS
AVX
AVX
AVX
AVX
AVX
Coilcraft
Mini-Circuits
5590p
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