ltc5590 Linear Technology Corporation, ltc5590 Datasheet - Page 12

• Manufacturer Part Number: ltc5590
• Description: Dual 600mhz To 1.7ghz High Dynamic Range Downconverting Mixer
• Manufacturer: Linear Technology Corporation

LTC5590
TEST CIRCUIT
12
3.3V TO 5V
V
CCIF
50Ω
50Ω
RFA
RFB
C6
C1A
C1B
L1, L2 vs IF FREQUENCIES
IF (MHz)
140
190
240
300
380
450
1
2
3
4
5
6
RFA
CTA
GND
GND
CTB
RFB
GND
GND
24
7
IFGNDA
IFGNDB
23
8
Figure 1. Standard Downmixer Test Circuit Schematic (190MHz)
L1, L2 (nH)
IFA
IFB
22
270
150
100
9
56
33
22
L1A
L2B
+
+
T1A
T1B
4:1
4:1
LTC5590
C7A
L2A
C5A
C5B
C7B
L1B
IFA
IFB
21
10
–
–
IFBA
IFBB
20
11
IFB
50Ω
IFA
50Ω
V
V
19
12
CCA
CCB
GND
GND
ENA
ENB
I
SEL
LO
18
17
16
15
14
13
C3B
C2
L1A, L1B,
C1A, C1B
C3A, C3B
C5A, C5B
C7A, C7B
REF DES
L2A, L2B
T1A, T1B
C3A
C4, C6
ISEL
(0V/3.3V)
ENA
(0V/3.3V)
ENB
(0V/3.3V)
C2
LO
50Ω
5590 TC01
C4
3.3V
V
CC
TC4-1W-7ALN+
1000pF
VALUE
150nH
100pF
10pF
22pF
1μF
0.062”
0.015”
0.015”
0402
0402
0402
0603
0402
0603
SIZE
RF
GND
BIAS
GND
DC1710A
EVALUATION BOARD
STACK-UP
(NELCO N4000-13)
Mini-Circuits
VENDOR
Coilcraft
AVX
AVX
AVX
AVX
AVX
5590f