lt5560 Linear Technology Corporation, lt5560 Datasheet - Page 8

• Manufacturer Part Number: lt5560
• Description: 0.01mhz To 4ghz Low Power Active Mixer
• Manufacturer: Linear Technology Corporation

V
P
450MHz Downconverting Mixer Application: V
2-tone IIP3 tests, Δf = 1MHz), f
Figure 3)
LT5560
TYPICAL AC PERFOR A CE CHARACTERISTICS
8
CC
LO
–70
–10
–30
–40
–50
–20
–60
11
–1
= 3V, I
= –2dBm, output measured at 140MHz, unless otherwise noted. (Test circuit shown in Figure 2)
13
5
3
9
7
1
0
350
420
Conversion Gain, IIP3 and SSB NF
vs RF Input Frequency
LO-IN and LO-OUT Leakage
vs LO Frequency
CC
–40°C
25°C
85°C
RF INPUT FREQUENCY (MHz)
= 10mA, EN = 3V, T
400
470
LO FREQUENCY (MHz)
LO-OUT
LO-IN
450
520
12
11
10
9
8
7
6
5
4
3
2
1
0
2.5
Conversion Gain and IIP3
vs Supply Voltage
SSB NF
GAIN
IIP3
LO
500
–40°C
570
3
25°C
85°C
A
= 520MHz, P
= 25°C, f
3.5
W
5560 G35
VOLTAGE (V)
5560 G32
550
620
GAIN
IIP3
17
15
13
11
9
7
5
3
IN
4
U
= 900MHz, P
CC
LO
4.5
= 3V, I
–110
= –2dBm, output measured at 70MHz, unless otherwise noted. (Test circuit shown in
–70
–90
–10
–30
–50
12
10
–2
10
–20
8
6
4
2
0
–10
Conversion Gain and IIP3
vs LO Input Power
IF
RF Input Power (Single Input Tone)
5
f
RF
CC
OUT
2RF – 2LO
= 485MHz
5560 G30
= 10mA, EN = 3V, T
IN
–8
–40°C
, 2 × 2 and 3 × 3 Spurs vs
5.5
f
25°C
85°C
RF
–15
= –20dBm (–20dBm/tone for 2-tone IIP3 tests, Δf = 1MHz), f
RF INPUT POWER (dBm)
LO INPUT POWER (dBm)
= 450MHz
IF
OUT
–6
–10
–4
GAIN
IIP3
–40
–50
–60
–80
–90
–10
–20
–30
–70
10
–20
0
f
RF
–2
IF
(Two Input Tones)
T
f
f
3RF – 3LO
A
LO
IF
A
= 496.7MHz
–18
OUT
= 70MHz
= 25°C
–5
= 25°C, f
= 520MHz
–40°C
–16
0
and IM3 vs RF Input Power
25°C
85°C
RF INPUT POWER (dBm)
5560 G33
5560 G36
–14
2
0
IN
–12
= 450MHz, P
900MHz Downconverting Mixer Application:
–10
IF
–100
–110
IM3
–60
OUT
–8
–50
–80
–90
–70
17
15
13
11
9
7
– 10
–10
–6
SSB Noise Figure
vs LO Input Power
2 × 2 and 3 × 3 Spurs vs
LO Input Power (Single Input Tone)
T
f
f
LO
IF
A
–4
IN
= 70MHz
= 25°C
= 520MHz
– 8
–8
–40°C
= –20dBm (–20dBm/tone for
f
RF
25°C
85°C
f
–2
RF
2RF – 2LO
3RF – 3LO
5560 G31
= 496.7MHz
LO INPUT POWER (dBm)
LO INPUT POWER (dBm)
= 485MHz
0
– 6
–6
– 4
–4
LO
– 2
–2
= 760MHz,
0
0
5560 G34
5560 G37
5560f
2
2