AD8348 Analog Devices, AD8348 Datasheet - Page 3

• Manufacturer Part Number: AD8348
• Description: 50-1000 MHz Quadrature Demodulator
• Manufacturer: Analog Devices

Rev. PrF
Parameter
IF FRONT-END WITH VGA
Zin
Variable Gain Range
Linear-in-dB error
Maximum Conversion Gain
Minimum Conversion Gain
Conversion Gain 3 dB Bandwidth
IF Gain Flatness
2nd Order Input Intercept(IIP2)
3rd Order Input Intercept(IIP3)
2nd Order Input Intercept(IIP2)
3rd Order Input Intercept(IIP3)
1dB Input compression point
Noise Figure
Input LO Leakage
Output LO Leakage
Demodulation Bandwidth
Quadrature Phase Error
I/Q Amplitude Imbalance
Mixer Output Impedance
Mixer Peak output current
2/11/03
PRELIMINARY TECHNICAL DATA
Condition
IFIP/IFIN to IMXO/VREF, QMXO/ VREF
ENVG=5V
VGIN=0.3 to 1.1V
VGIN=0.2V (max gain)
VGIN=1.2V (min gain)
FIF=50MHz-500MHz
IF1=455MHz, IF2=456MHz
-10 dBm each tone from 200 Ω source
VGIN=1.2V (min gain)
IF1=455MHz, IF2=456MHz
-10 dBm each tone from 200 Ω source
VGIN=1.2V (min gain)
IF1=455MHz, IF2=456MHz
-42 dBm each tone from 200 Ω source
VGIN=0.2V (max gain)
IF1=455MHz, IF2=456MHz
-42 dBm each tone from 200 Ω source
VGIN=0.2V (max gain)
VGIN=0.2V (max gain)
VGIN=0.2V (max gain) From 200 Ω source
Double sideband measurement
FIF=50MHz
FIF=500MHz
Measured at IFIP,IFIN
Measured at IMXO/QMXO (LO=50MHz)
Full-power bandwidth (IIP3 drops 3dB)
Small-signal 3dB bandwidth
LO=1GHz (LOIP/LOIN 2GHz, single-
ended)
- 3 -
Min
150 ||1pF
Typ
190 ||1pF
TBD
12.5
-125
+/-1
-14
-23
0.6
0.3
2.5
45
33
55
26
20
10
10
60
40
-7
3
Max
230 ||1pF
500
AD8348
Units
dB
dB
dB
dB
MHz
dB p-p
dBm
dBm
dBm
dBm
dBm
dB
dBm
mVp-p
MHz
MHz
deg RMS
dB
mA
||pF