W-CDMA/W-TDD/TD-SCDMA Zero-IF Receivers
MAX2392 Typical Operating Characteristics (continued)
(MAX2392 EV kit, V CC = 2.8V, HGML mode (see Table 6), f RF = 2017MHz, T A = +25°C, unless otherwise noted.)
SYNTHESIZER CLOSED-LOOP
VCO f OSC AND k VCO vs. V TUNE
PHASE NOISE
PLL SETTLING TIME 15MHz STEP
4150
4100
4050
4000
3950
3900
3850
3800
3750
MAX2392 toc36
275
250
225
200
175
150
125
100
75
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
f OSC = 2017.5MHz, I CP = 2.5mA
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
130 μ s
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
1
10
100
1000
0
100
200
300
400
500
600
700
V TUNE (V)
f OFFSET (kHz)
DEMODULATOR GAIN (HGML MODE)
TIME ( μ s)
CASCADED GAIN (HGML MODE)
0
DEMODULATOR |S 11 | vs. FREQUENCY
100
AND NF vs. V AGC
MAX2392 toc40
22
120
AND NF vs. V AGC
MAX2392 toc41
8
-2
-4
-6
-8
-10
-12
-14
HGML
90
80
70
60
50
40
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
20
18
16
14
12
10
110
100
90
80
70
60
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
7
6
5
4
3
2
-16
-18
LG
30
8
50
WITH 2dB LOSS AT
1
-20
2010.0 2012.5 2015.0 2017.5 2020.0 2022.5 2025.0
20
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
6
40
= CALCULATED POST-LNA FILTER
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
0
FREQUENCY (MHz)
BASEBAND CHANNEL
FREQUENCY RESPONSE
+10
0
-10
-20
-30
-40
-50
-60
-70
-80
V AGC (V)
2400
2200
2000
1800
1600
1400
1200
V AGC (V)
BASEBAND CHANNEL GROUP DELAY
vs. FREQUENCY
-90
0.003 0.01
0.1
1
3
1000
0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70
FREQUENCY (MHz)
f OFFSET (MHz)
______________________________________________________________________________________
13
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