5.8 GHz One Antenna Reflective Tag
CHR2244-QDG
Electrical Characteristics (Full operating range)
Tamb = -30°C to +80°C
Test
Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Fop
BW_rf
RL_rf (*)
Vcc
Operating RF frequency range
RF bandwidth
(1)
5.725
50
5.8
5.875
GHz
MHz
dB
V
RF input return loss
Bias voltage
12
7
50 Ω
2.7
6
3.1
3.6
WK_in_imp WK_in port impedance
(*)
kΩ
pF
10
10
T/R_imp (*) T/R input port impedance
100
kΩ
pF
T/R_t (*)
R/T_t (*)
Transmit to Receive recovery time
Receive to Transmit recovery time
150
50
µs
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_v=0V , MOD_v=0V , WK_in_v=0V
Test
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
SB_out_load
Standby output port load
impedance
1
MΩ
10
pF
SB_out_v (*)
Standby output port
DC voltage
high level (1)
low level
Vcc-1
0
Vcc
1
V
V
RF_sb_bw
RF_sb_p (*)
Vcc_sb_i (*)
Amplitude modulation frequency
of RF for wake-up
250
500
kHz
Amplitude modulated RF input
power for wake-up
(2)
(3)
-38
-43
8
dBm
µA
Standby DC current
20
(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.
Ref. : DSCHR2244-QDG9030 - 30 Jan 09
2/14
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
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
