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LTC6948 Datasheet(PDF) 3 Page - Analog Devices

Part # LTC6948
Description  300MHz to 9GHz High Linearity I/Q Demodulator with Wideband IF Amplifier
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC6948 Datasheet(HTML) 3 Page - Analog Devices

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LTC5594
3
Rev A
For more information www.analog.com
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fRF(RANGE)
RF Input Frequency Range
(Note 12)
0.3 to 9.0
GHz
fLO(RANGE)
LO Input Frequency Range
(Note 12)
0.3 to 9.0
GHz
BWIF
IF Output Bandwidth
–1dB Corner Frequency (Note 22)
1.0
GHz
RLRF
RF Input Return Loss (Note 5)
fRF = 300MHz to 500MHz
fRF = 500MHz to 9.0GHz
>10
>10
dB
dB
RLLO
LO Input Return Loss
fLO = 300MHz to 9.0GHz
>10
dB
PLO(RANGE)
LO Input Power Range
(Note 12)
–6 to 12
dBm
GP
Power Conversion Gain
AMPG = 0x06,
RLOAD = 100Ω Differential (Note 8)
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
11.5
12.3
11.0
9.2
7.0
5.2
dB
dB
dB
dB
dB
dB
NF
Noise Figure, Double Side Band (Note 4)
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
15.7
16.0
17.9
21.2
23.5
28.6
dB
dB
dB
dB
dB
dB
NFBLOCKING
Noise Figure Under Blocking Conditions
Double Side Band, PIF, BLOCKER = 1.5dBm
(Note 7)
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
16.7
17.0
18.9
22.2
24.5
29.6
dB
dB
dB
dB
dB
dB
OIP3
Output 3rd Order Intercept
Unadjusted/Adjusted
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
40/44
37/43
37/42
37/40
33/38
33/35
dBm
dBm
dBm
dBm
dBm
dBm
OIP2
Output 2nd Order Intercept
Unadjusted/Adjusted
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
75/80
68/75
68/70
58/65
48/55
43/48
dBm
dBm
dBm
dBm
dBm
dBm
IIP3DEMOD
Input 3rd Order Intercept without Amplifier
Unadjusted
fRF = 400MHz
fRF = 1900MHz
fRF = 3500MHz
fRF = 5800MHz
fRF = 7200MHz
fRF = 8500MHz
30
26
27
24
24
27
dBm
dBm
dBm
dBm
dBm
dBm
OIP3AMP
Output 3rd Order Intercept, Amplifier Only
(Note 17)
fIF = 10MHz
fIF = 100MHz
fIF = 200MHz
fIF = 300MHz
fIF = 500MHz
fIF = 1000MHz
42
41
38
37
35
30
dBm
dBm
dBm
dBm
dBm
dBm
TC = 25°C, VCC = 5V, OVDD = EN = CSB = 3.3V, SDI = SCK = AMPD = 0V,
VCM = 0.9V, PIF = 1.5dBm (–1.5dBm/tone for 2-tone tests), PLO = 6dBm, all registers at default values, and all parameters listed for
combined performance of demodulator and amplifier unless otherwise noted. (Notes 2, 3, 6, 9, 21, 24)



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