LTC5599IUFPBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC5599IUFPBF' PDF : 42 Pages View PDF
LTC5599
Typical Performance Characteristics VCC = 3.3V, EN = 3.3V, VCTRL = 3.3V, TC = 25°C,
PLO = 0dBm, fLO = 500MHz, BBPI, BBMI, BBPQ, BBMQ common mode DC voltage VCMBB = 1.4VDC, I and Q baseband input signal = 2MHz,
2.1MHz, 1VP-P(DIFF, I or Q), I and Q 90° shifted, lower sideband selection, TEMPUPDT = 0, register 0x00 value according to Table 5, all
other registers set to default values, unless otherwise noted. Test circuit is shown in Figure 13.
LO Leakage Cumulative
Distribution
100
LO Leakage Cumulative
Distribution for VCTRL = 1.75V
100
AGCTRL = 1
Side-Band Suppression
Cumulative Distribution
100
80
–40°C
105°C
60
25°C
40
20
80
60
40
–40°C
20
105°C
25°C
80
–40°C
60
105°C
40
25°C
20
0
–60 –55 –50 –45 –40 –35
LO LEAKAGE (dBm)
5599 G82
0
–60 –55 –50 –45 –40 –35 –30 –25 –20
LO LEAKAGE (dBm)
5599 G83
0
–60 –55 –50 –45 –40 –35
SIDE-BAND SUPPRESSION (dBc)
5599 G84
Side-Band Suppression Cumulative
Distribution for VCTRL = 1.75V
100
AGCTRL = 1
25°C
80
60
105°C
40
–40°C
20
0
–60 –55 –50 –45 –40 –35
SIDE-BAND SUPPRESSION (dBc)
5599 G85
RF Return Loss
0
RESONANCE FREQUENCY WITH C4 = 10nF
–5
–10
DG = –19
–15
DG = –18
–20
DG = –17
–25
–30
–35
10
DG = 0
100
1000
RF FREQUENCY (MHz)
5599 G86
LO Return Loss
0
REGISTER 0x00 SET
ACCORDING TO LO
–5
FREQUENCY TABLE 5
–10
–15
–20
LO Return Loss for 30MHz and
70MHz Match, Schematic in Figure 3
0
–5
–10
–15
30MHz
–20
70MHz
–25
–25
–30
–35
10
100
1000
LO FREQUENCY (MHz)
5599 G87
–30
REGISTER 0x00
SET TO 0x7F
–35
10
100
LO FREQUENCY (MHz)
5599 G88
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5599f
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