Rainbow Electronics MAX2653 - Manual (Page 10)

MAX2651/MAX2652/MAX2653
GSM900 and DCS1800/PCS1900
Dual-Band, Low-Noise Amplifiers
10 ______________________________________________________________________________________
HIGH GAIN
LOW GAIN
f = 945MHz
P IN (dBm)
12
10
8
-10
-12
-14
14 -8
16 -6
18 -4
20 -2
-25 -20 -15 -10 -5 0
POWER GAIN vs. INPUT POWER
MA\X2652-01
HIGH GAIN (dB) LOW GAIN (dB)
5.0
6.0
7.0
8.0
5.5
6.5
7.5
8.5
9.0
HIGH-GAIN MODE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2652-toc02
SUPPLY VOLTAGE (V)
I CC
(mA)
2.7 3.0 2.8 2.9 3.1 3.2 3.3
NO INPUT SIGNAL T A = -40°C
T A = +25°C
T A = +85°C
1.5
1.0
2.0
2.5
3.0
3.5
LOW-GAIN MODE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2652 toc03
SUPPLY VOLTAGE (V)
I CC
(mA)
2.7 3.0 2.8 2.9 3.1 3.2 3.3
NO INPUT SIGNAL
T A = +25°C
T A = -40°C
T A = +85°C
-3
-5
-7
-9
-11
-1
1
3
5
INPUT IP3 vs. SUPPLY VOLTAGE
MAX2652 toc03a
SUPPLY VOLTAGE (V)
INPUT IP3 (dBm)
2.7 3.0 2.8 2.9 3.1 3.2 3.3
LOW GAIN
HIGH GAIN
T A = +25°C
T A = +25°C
T A = -40°C
T A = +85°C
T A = -40°C
T A = +85°C
-14
-16
-18
-20
-12
-10
-8
-6
INPUT P1dB vs. SUPPLY VOLTAGE
MAX2652 toc03b
SUPPLY VOLTAGE (V)
INPUT P1dB (dBm)
2.7 3.0 2.8 2.9 3.1 3.2 3.3
LOW GAIN
HIGH GAIN
T A = +25°C
T A = -40°C
T A = -40°C
T A = +85°C
T A = +85°C
T A = +25°C
-20
-10
0
10
20
800 840 880 920 960 1000
POWER GAIN vs. FREQUENCY
MA\X2652-tocA
FREQUENCY (MHz)
GAIN (dB)
HIGH GAIN
LOW GAIN
800 840 880 920 960 1000
OUTPUT RETURN LOSS
vs. FREQUENCY
MA\X2652-tocC
FREQUENCY (MHz)

S
22
 2
(dB)
-50
-40
-20
-30
-10
0
HIGH GAIN
LOW GAIN
800 840 880 920 960 1000
INPUT RETURN LOSS
vs. FREQUENCY
MA\X2652-tocB
FREQUENCY (MHz)

S
11

2
(dB)
LOW GAIN
-50
-40
-20
-30
-10
0
HIGH GAIN
800 840 880 920 960 1000
REVERSE ISOLATION vs. FREQUENCY
MA\X2652-tocD
FREQUENCY (MHz)

S
12
 2
(dB)
-40
-50
-20
-30
-10
0
LOW GAIN
HIGH GAIN
Typical Operating Characteristics (continued)
(MAX2652 EV kit, V CC = +3.0V, input and output matched with recommended matching networks, T A = +25°C, unless otherwise noted.)
MAX2652 (GSM Band)