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LTC6946 Datasheet(PDF) 7 Page - Analog Devices

Part # LTC6946
Description  1.5GHz to 7GHz Dual Programmable Gain Downconverting Mixer
PDF  26 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC6946 Datasheet(HTML) 7 Page - Analog Devices

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LTC5556
7
Rev 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS Test circuit shown in Figure 1.
PRF = –6dBm/Tone, ∆f = 2MHz, PLO = 0dBm, VCC = 3.3V, VDD = 3.3V, TC = 25°C, full power mode, unless otherwise noted.
2.6GHz to 6.4GHz RF Input Matching: IF = 270MHz, Low Side LO
Conv Gain and IIP3 vs RF Frequency
and IF Attenuation (3dB Steps)
SSB NF vs RF Frequency
and IF Attenuation (3dB Steps)
3.6GHz Conv Gain IIP3 and SSB
NF vs VCC and Case Temperature
3.6GHz Conv Gain vs IF Frequency
and Attenuation, Swept RF/Fixed LO
4.6GHz Conv Gain vs IF Frequency and
Attenuation, Swept RF/Fixed LO
5.5GHz Conv Gain vs IF Frequency
and Attenuation, Swept RF/Fixed LO
Isolation vs RF Frequency
LO Leakage vs LO Frequency
3.6GHz Conv Gain, IIP3, NF and RF
Input P1dB vs Temperature
3dB
6dB
9dB
12dB
15dB
0dB
0dB
15dB
GC
IIP3
RF FREQUENCY (GHz)
2.5
3
3.5
4
4.5
5
5.5
6
6.5
–9
–6
–3
0
3
6
9
12
15
18
21
24
27
5556 G01
0dB
3dB
6dB
9dB
12dB
15dB
RF FREQUENCY (GHz)
2.5
3
3.5
4
4.5
5
5.5
6
6.5
13
14
15
16
17
18
19
20
21
22
23
24
25
5556 G02
IIP3
NF
GC
3dB IF ATTEN
FULL PWR MODE
–40°C
25°C
85°C
VCC SUPPLY VOLTAGE (V)
3
3.1
3.2
3.3
3.4
3.5
3.6
5
7
9
11
13
15
17
19
21
23
25
5556 G03
0dB
RF = 3.35GHz to 3.85GHz
LO = 3.33GHz
3dB
6dB
9dB
12dB
15dB
IF FREQUENCY (MHz)
20 70 120 170 220 270 320 370 420 470 520
–10
–8
–6
–4
–2
0
2
4
6
8
10
5556 G04
0dB
RF = 4.35GHz to 4.85GHz
LO = 4.33GHz
3dB
6dB
9dB
12dB
15dB
IF FREQUENCY (MHz)
20 70 120 170 220 270 320 370 420 470 520
–10
–8
–6
–4
–2
0
2
4
6
8
10
5556 G05
0dB
RF = 5.25GHz to 5.75GHz
LO = 5.23GHz
3dB
6dB
9dB
12dB
15dB
IF FREQUENCY (MHz)
20 70 120 170 220 270 320 370 420 470 520
–10
–8
–6
–4
–2
0
2
4
6
8
10
5556 G06
RF–IF+ or RF–IF–
RF–LO
CHANNEL ISOLATION
3dB IF ATTEN
RF FREQUENCY (GHz)
2.5
3
3.5
4
4.5
5
5.5
6
6.5
30
35
40
45
50
55
60
65
70
75
80
85
90
5556 G07
LO–IF+ or LO–IF–
LO–RF
3dB IF ATTEN
LO FREQUENCY (GHz)
1.5
2.5
3.5
4.5
5.5
6.5
7.5
–70
–65
–60
–55
–50
–45
–40
–35
–30
5556 G08
IIP3
INPUT P1dB
3dB IF ATTEN
NF
GC
CASE TEMPERATURE (°C)
–45
–15
15
45
75
105
5
7
9
11
13
15
17
19
21
23
25
5556 G09



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