lt5503 Linear Technology Corporation, lt5503 Datasheet - Page 3

• Manufacturer Part Number: lt5503
• Description: 1.2ghz To 2.7ghz Direct Iq Modulator And Mixer
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
100kHz CW signal at 1V
PARAMETER
RF Carrier Input (MODRFIN)
Frequency Range
Input VSWR
Input Power
Baseband Inputs (BI
Frequency Bandwidth (3dB)
Differential Input Voltage for 1dB Compressed Output
DC Common-Mode Voltage
Differential Input Resistance
Input Capacitance
Gain Error
Phase Error
Modulated RF Carrier Output (MODRFOUT)
Output Power, Max Gain
Output VSWR
Image Suppression
Carrier Suppression
Output 1dB Compression
Output 3rd Order Intercept
Output 2rd Order Intercept
Broadband Noise
VGA Control Logic (GC2, GC1)
Switching Time
Input Current
Input Low Voltage
Input High Voltage
Output Power Attenuation
Output Power Attenuation
Output Power Attenuation
Modulator Enable (MODEN) Low = Off, High = On
Turn ON/OFF Time
Input Current
Enable
Disable
Modulator Power Supply Requirements
Supply Voltage
Modulator Supply Current
Modulator Shutdown Current
V
CC1
= 3VDC, 2.4GHz matching, MODEN = High, GC1 = GC2 = Low, T
2
+
, BI
–
, BQ
P-P
differential, Q leads I by 90 , unless otherwise noted. (Test circuit shown in Figure 2.) (Note 3)
+
, BQ
–
)
CONDITIONS
Z
Internally Biased
Z
f
f
20MHz Offset
GC2 = Low, GC1 = High
GC2 = High, GC1 = Low
GC2 = High, GC1 = High
MODEN = High
MODEN = Low
I
I
O
O
= 100kHz, f
= 100kHz, f
(I/Q Modulator)
= 50
= 50
Q
Q
A
= 120kHz
= 120kHz
= 27ºC, MODRFIN = 2.45GHz at –16dBm, [I – I
V
CC
MIN
– 26
– 24
1.7
1.8
– 6
– 0.4
–20 to -10
1.2 to 2.7
1.3:1
1.5:1
–142
13.5
TYP
120
–34
–32
100
105
1.4
0.8
4.5
18
–3
–3
16
29
0.2
1
2
2
9
1
1
B
] and [Q – Q
MAX
5.25
LT5503
0.4
0.4
38
25
dBm/Hz
UNITS
B
3
] =
dBm
dBm
dBm
dBm
dBm
MHz
V
DEG
VDC
VDC
VDC
VDC
VDC
VDC
GHz
dBc
dBc
mA
k
P-P
dB
dB
dB
dB
pF
ns
A
A
A
s