CHR2244

5.8 GHz One Antenna Reflective Tag

Ref. : DSCHR2244QDG5053 - 22 Feb 05

2/16

Specifications subject to change without notice

Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE

Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09

Electrical Characteristics (Full operating range)

Tamb = -30°C to +80°C

Symbol

Parameter

Test

Conditions

Min

Typ

Max

Unit

Fop

Operating RF frequency range

(1)

5.725

5.8

5.875

GHz

BW_rf

RF bandwidth

50

MHz

RL_rf (*)

RF input return loss

50

Ω

12

7

dB

Vcc

Bias voltage

2.7

3.1

3.6

V

WK_in_imp

(*)

WK_in port impedance

6

10

k

Ω

pF

T/R_imp (*)

T/R input port impedance

100

10

k

Ω

pF

T/R_t (*)

Transmit to Receive recovery time

150

µs

R/T_t (*)

Receive to Transmit recovery time

50

µs

(1) The centre frequency can be adjusted by a matching network located between the antenna and the RF

component.

(*) Note : Min & Max values include technological spreads, supply & temperature range effect.

STANDBY mode : T/R=‘0’ , MOD=‘0’ , WK_in=‘0’

Symbol

Parameter

Test

Conditions

Min

Typ

Max

Unit

SB_out_load

Standby output port

load impedance

1

10

M

Ω

pF

SB_out_v (*)

Standby output port

DC voltage

high level (1)

low level

Vcc-1

0

Vcc

1

V

V

RF_sb_bw

Amplitude modulation frequency

of RF for wake-up

250

500

kHz

RF_sb_p (*)

Amplitude modulated RF input

power for wake-up

(2)

-38

-43

dBm

Vcc_sb_i (*)

Standby DC current

(3)

8

20

µA

(1) The SB_out voltage is high when the RF input signal is AM modulated.

(2) Total transmitted power of the modulated signal (modulation index = 0.5)

(3) Without RF input signal

(*) Note : Min & Max values include technological spreads, supply & temperature range effect.