LTC5598IUF-TRPBF Просмотр технического описания (PDF) - Linear Technology
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LTC5598IUF-TRPBF Datasheet PDF : 16 Pages
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LTC5598
TYPICAL PERFORMANCE CHARACTERISTICS VCC = 5V, EN = 5V, TA = 25ºC, fRF = fLO – fBB, PLO =
0dBm single-ended, BBPI, BBMI, BBPQ, BBMQ common-mode DC voltage VCMBB = 0.5VDC, I&Q baseband input signal = 100kHz,
0.8VPP,DIFF, two-tone baseband input signal = 2MHz, 2.1MHz, 0.5VPP,DIFF each tone, I&Q 90° shifted (lower side-band selection);
fNOISE = fLO – 6MHz; unless otherwise noted. (Note 11)
RF Two-Tone Power (Each Tone),
IM2 and IM3 vs Baseband Voltage
and Temperature (fLO = 140MHz)
10
–30
0
–40
–10
–50
fRF, EACH = fLO –fBB1
–20
fIM3 = fLO – 2*fBB1 + fBB2
fIM3 = fLO + 2*fBB1 + fBB2
–60
fIM2 = fLO – fBB1 – fBB2
–30
–70
–40
–80
–50
0.1
–90
1
I AND Q BASEBAND VOLTAGE (VPP, DIFF, EACH TONE)
5598 G10
Output IP3 vs RF Frequency
(PLO = 10dBm)
29
RF Two-Tone Power (Each Tone),
IM2 and IM3 vs Baseband Voltage
and Temperature (fLO = 900MHz)
10
–30
0
fRF, EACH = fLO – fBB1
–40
–10
–50
fIM3 = fLO + 2*fBB1 + fBB2
–20
–60
Voltage Gain vs RF Frequency
(PLO = 10dBm)
–1
PLO = 10dBm
–2
–3
–30 fIM3 = fLO – 2*fBB1 + fBB2
–70
–40
fIM2 = fLO – fBB1 – fBB2
–80
–50
0.1
–90
1
I AND Q BASEBAND VOLTAGE (VPP, DIFF, EACH TONE)
5598 G11
Output IP2 vs RF Frequency
(PLO = 10dBm)
85
–4
–5
10
5V, 25°C
5.25V, 25°C
4.5V, 25°C
5V, –40°C
5V, 85°C
100
1000
RF FREQUENCY (MHz)
5598 G12
Output 1dB Compression
vs RF Frequency (PLO = 10dBm)
10
27
25
23
21
5V, 25°C
5.25V, 25°C
19
4.5V, 25°C
5V, –40°C
5V, 85°C
17
10
100
1000
RF FREQUENCY (MHz)
5598 G13
LO Feedthrough to RF Output
vs LO Frequency (PLO = 10dBm)
–40
–50
80
75
70
65
5V, 25°C
5.25V, 25°C
60
4.5V, 25°C
5V, –40°C
5V, 85°C
55
10
100
1000
RF FREQUENCY (MHz)
5598 G14
Image Rejection vs LO Frequency
(PLO = 10dBm)
–20
5V, 25°C
5.25V, 25°C
–30
4.5V, 25°C
5V, –40°C
5V, 85°C
–40
8
6
4
2
0
10
5V, 25°C
5.25V, 25°C
4.5V, 25°C
5V, –40°C
5V, 85°C
100
1000
RF FREQUENCY (MHz)
5598 G15
RF Two-Tone Power (Each Tone),
IM2 and IM3 vs RF Frequency
(PLO = 10dBm)
0
–40
fRF, EACH = fLO – fBB1
fIM3 = fLO + 2*fBB1 + fBB2
fIM3 = fLO – 2*fBB1 + fBB2
–60
–70
6
5V, 25°C
5.25V, 25°C
4.5V, 25°C
5V, –40°C
5V, 85°C
10
100
LO FREQUENCY (MHz)
1000
5598 G16
–50
–60
fIM2 = fLO – fBB1 – fBB2
–70
10
–60
100
1000
10
–100
100
1000
LO FREQUENCY (MHz)
5598 G17
RF FREQUENCY (MHz)
5598 G18
5598f
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