MAX2700ECM 查看數據表（PDF） - Maxim Integrated

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MAX2700ECM

1.8GHz to 2.5GHz Direct Downconversion Receivers

Maxim Integrated 

1.8GHz to 2.5GHz Direct Downconversion

Receivers

Typical Operating Characteristics (continued)

(MAX2700/MAX2701 EV kit (Figure 3), VCC = +3.0V, TA = +25°C, SHDN = GAIN_SET = VCC, X2_EN = GND, CEXT+ connected to

CEXT-, PLO = -13dBm, FLO = 980MHz (MAX2700) and 1200MHz (MAX2701), PLNAIN = -30dBm, PRFIN = -25dBm, LNAIN and RFIN

(single-ended input to balun) driven from 50Ω source, LNAOUT terminated into load; MIX_I, MIX_Q AC-coupled to 2kΩ load; IIN1+,

QIN1+, IIN2+, QIN2+ driven from 1.1kΩ AC-coupled source; IOUT1, QOUT1 AC-coupled to 2kΩ; IOUT2, QOUT2 AC-coupled to

100Ω; input to VGAs, 20mVp-p at 1MHz tone, set VAGC = 1.25V, unless otherwise noted.)

MAX2700

MIXER BASEBAND BANDWIDTH vs. RL

160

140

3dB BANDWIDTH

120

100

80

60

1dB BANDWIDTH

40

20

0

0.50 0.75 1.00 1.25 1.50 1.75 2.00

RL (kΩ)

MIXER'S OUTPUT 1dB COMPRESSION

POINT vs. VCC vs. RL

2.6

2.4

RL = 1.05kΩ, 2.00kΩ

2.2

2.0

RL = 0.56kΩ

1.8

1.6

1.4

1.2

1.0

2.5 2.7 2.9 3.1 3.3 3.5

VCC (V)

ICC vs. VCC vs. TEMPERATURE

190

180

TA = +85°C

170

TA = +25°C

160

TA = -45°C

150

2.5 2.7 2.9 3.1 3.3 3.5

VCC (V)

MAX2701

LNA GAIN vs. FREQUENCY

vs. TEMPERATURE

20

19

18

TA = -45°C

17

16

15

TA = +25°C

14

TA = +85°C

13

12

11

HIGH-GAIN MODE

10

2100

2200

2300

2400

2500

FREQUENCY (MHz)

LNA GAIN vs. FREQUENCY

vs. TEMPERATURE

5

4

3

2

1

0 TA = +85°C TA = +25°C TA = -45°C

-1

-2

-3

-4

LOW-GAIN MODE

-5

2100

2200

2300

2400

2500

FREQUENCY (MHz)

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