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LTC5585 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC5585
Description  Wideband IQ Demodulator with IIP2 and DC Offset Control
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC5585 Datasheet(HTML) 3 Page - Linear Technology

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LTC5585
3
5585fb
For more information www.linear.com/LTC5585
ELECTRICAL CHARACTERISTICS T
C = 25°C, VCC = 5V, EN = 5V, EDC = EIP2 = 0V, REF = IP2I = IP2Q = DCOI =
DCOQ = 0.5V, PRF = –5dBm (–5dBm/tone for 2-tone IIP2 and IIP3 tests), PLO = 6dBm, unless otherwise noted. (Notes 2, 3, 5, 6, 9)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DCOFFSET
DC Offset at I/Q Outputs
Unadjusted, EDC = 0V (Note 13)
4
mV
∆G
I/Q Gain Mismatch
0.05
dB
∆φ
I/Q Phase Mismatch
0.3
Deg
IRR
Image Rejection Ratio
(Note 10)
48
dB
LO-RF
LO to RF Leakage
–64
dBm
RF-LO
RF to LO Isolation
60
dB
fRF1 = 1950MHz, fRF2 = 1951MHz, fLO = 1940MHz, L6 = 1.2pF, C19 = 5.1nH, L5 = 1.0pF, C13 = 5.1nH
fRF(MATCH)
RF Input Frequency Range
Return Loss > 10dB
1.6 to 2.1
GHz
fLO(MATCH)
LO Input Frequency Range
Return Loss > 10dB
1.85 to 2.05
GHz
GV
Voltage Conversion Gain
Loaded with 100Ω Pull-Up (Note 8)
2.4
dB
NF
Noise Figure
Double-Side Band (Note 4)
12.7
dB
IIP3
Input 3rd Order Intercept
25.7
dBm
IIP2
Input 2nd Order Intercept
Unadjusted, EIP2 = 0V
60
dBm
IIP2OPT
Optimized Input 2nd Order Intercept
EIP2 = 5V, IP2I, IP2Q Adjusted for Minimum IM2
80
dBm
P1dB
Input 1dB Compression
16
dBm
DCOFFSET
DC Offset at I/Q Outputs
Unadjusted, EDC = 0V (Note 13)
7
mV
∆G
I/Q Gain Mismatch
0.05
dB
∆φ
I/Q Phase Mismatch
0.7
Deg
IRR
Image Rejection Ratio
(Note 10)
43
dB
LO-RF
LO to RF Leakage
–49
dBm
RF-LO
RF to LO Isolation
58
dB
fRF1 = 2150MHz, fRF2 = 2151MHz, fLO = 2140MHz, C17 = 1.5pF, L6 = 4.7nH, C19 = 0.5pF, L5 = 5.1nH, C14 = 0.7pF
fRF(MATCH)
RF Input Frequency Range
Return Loss > 10dB
2.03 to 2.36
GHz
fLO(MATCH)
LO Input Frequency Range
Return Loss > 10dB
2.05 to 2.18
GHz
GV
Voltage Conversion Gain
Loaded with 100Ω Pull-Up (Note 8)
2.3
dB
NF
Noise Figure
Double-Side Band (Note 4)
13.0
dB
NFBLOCKING
Noise Figure Under Blocking Conditions
Double-Side Band, PRF = 0dBm (Note 7)
14.6
dB
IIP3
Input 3rd Order Intercept
25.9
dBm
IIP2
Input 2nd Order Intercept
Unadjusted, EIP2 = 0V
56
dBm
IIP2OPT
Optimized Input 2nd Order Intercept
EIP2 = 5V, IP2I, IP2Q Adjusted for Minimum IM2
80
dBm
P1dB
Input 1dB Compression
15
dBm
DCOFFSET
DC Offset at I/Q Outputs
Unadjusted, EDC = 0V (Note 13)
6
mV
∆G
I/Q Gain Mismatch
0.05
dB
∆φ
I/Q Phase Mismatch
1.0
Deg
IRR
Image Rejection Ratio
(Note 10)
40
dB
LO-RF
LO to RF Leakage
–50
dBm
RF-LO
RF to LO Isolation
60
dB
fRF1 = 2600MHz, fRF2 = 2601MHz, fLO = 2590MHz, C17 = 0.5pF, L6 = 2.7nH, L5 = 1.2nH, C14 = 1pF
fRF(MATCH)
RF Input Frequency Range
Return Loss > 10dB
2.35 to 3.1
GHz
fLO(MATCH)
LO Input Frequency Range
Return Loss > 10dB
2.47 to 2.65
GHz
GV
Voltage Conversion Gain
Loaded with 100Ω Pull-Up (Note 8)
2.3
dB



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