MAX2308EGI Maxim Integrated Products, MAX2308EGI Datasheet - Page 6

• Manufacturer Part Number: MAX2308EGI
• Description: Modulator / Demodulator CDMA IF VGAs and I-Q Demodulators with V
• Manufacturer: Maxim Integrated Products

Specifications of MAX2308EGI

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
(MAX2306/MAX2308/MAX2309 EV kits, V
synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for +35dB voltage gain, differential output load
= 10kΩ, all power levels referred to 50Ω, T
6
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2500
2300
2100
1900
1700
1500
1300
1100
-240
-260
-280
-300
-320
-340
-360
-380
-400
900
700
500
80
0
MEASURED DIFFERENTIALLY
TANK PORT PARALLEL RESISTANCE
IF PORT PARALLEL RESISTANCE
160
100
CDMA PORT
MEASURED DIFFERENTIALLY
240
vs. FREQUENCY
200
vs. FREQUENCY
FREQUENCY (MHz)
FREQUENCY (MHz)
320
300
CC
A
TANKL
TANKH
= +25°C, unless otherwise noted.)
400
= +2.75V, registers set to default power-up states, f
FM PORT
400
Typical Operating Characteristics (continued)
480
500
560
600
S11 vs. FREQUENCY
LOOUT PORT
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0
START: 10MHz
STOP: 600MHz
80
0
TANK PORT PARALLEL CAPACITANCE
MEASURED DIFFERENTIALLY
IF PORT PARALLEL CAPACITANCE
MEASURED DIFFERENTIALLY
160
100
240
vs. FREQUENCY
vs. FREQUENCY
200
FREQUENCY (MHz)
FREQUENCY (MHz)
CDMA PORT
FM PORT
TANKL
TANK
320
300
400
400
400
IN
500
= 183.7MHz, f
560
600
REF
= 19.2MHz,