SE2521A60

RangeCharger™ 2.4 GHz Wireless LAN Front End

177-DST-01 Rev 1.4 Apr-04-2006

Confidential

7 of 16

QA040406

Power Detector Characteristics

°C, as measured on SiGe Semiconductor’s SE2521A60-EV1 evaluation

board (de-embedded to device), unless otherwise noted.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Frequency Range

-

2400

-

2500

MHz

PDR

Power detect range,

peak power

Measured at ANT_A or

ANT_B

0

-

20

dBm

DC load impedance

-

1

-

-

Mohm

No RF

-

0.90

-

1.02

V

18dBm

-

0.44

-

0.66

V

20dBm

-

0.28

-

0.51

V

Power detect low pass

filter -3dB corner

frequency

270

330

400

KHz

Note: Power detector internal impedance is 2.7 KOhm

Power Detector Response Characteristic

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

0

2

4

6

8

10

12

14

16

18

20

22

Output Power (dBm)

Figure 3: SE2521A60 Power Detector Performance Curve