CHR2244 Datasheet, PDF (3/16 Pages) United Monolithic Semiconductors – 5.8 GHz One Antenna Reflective Transponder for Tag GaAs Monolithic Microwave IC

5.8 GHz One Antenna Reflective Tag
CHR2244
DOWNLINK mode : T/R=‘0’ , MOD=‘0’ , WK_in=‘Vcc’
Symbol
Parameter
Test
Conditions
Min
Typ Max
Data_out_load Downlink output port
CMOS compatible
load impedance
Data_out_f Amplitude demodulation frequency
250
500
Data_out_dc (*) Data_out signal duty cycle
40 50 60
RF_dl_p (*) Amplitude modulated RF input power
(1)
-38 -43
WK_in_i (*) WK_in DC current
200 500
(1) Total transmitted power of the modulated signal (modulation index = 0.5)
(*) Note : Min & Max values include technological spreads, supply & temperature range effect.
Unit
kHz
%
dBm
µA
UPLINK mode : T/R=‘Vcc’ , WK_in=‘Vcc’
Symbol
Parameter
Test
Conditions
Min
Typ
Max Unit
MOD_imp (*) Modulated signal input port
impedance
100
kΩ
10
pF
MOD_v
Modulated signal input port voltage Square wave
(1)
0/Vcc
MOD_f
Uplink IF multiplier frequency
0.1
10
MHz
G_ul (*)
Uplink multiplier gain (DSB)
-7
-4
dB
WK_in_i (*) WK_in DC current
200
500
µA
(1) The shape of the modulated signal can be optimized if better linearity is needed.
(*) Note : Min & Max values include technological spreads, supply & temperature range effect.
Absolute Maximum Ratings (1)
Tamb = -30°C to +80°C
Symbol
Parameter
Values
Unit
Vcc
Bias voltage
5
V
Wk_in_v Wk_in input voltage
5
V
T/R_v
T/R input voltage
5
V
MOD_v MOD input voltage
5
V
RF_sb_p Maximum Standby and Downlink
+10
dBm
RF_dl_p RF input power (2)
Top
Operating temperature range
-30 to +80
°C
Tstg
Storage temperature range
-55 to +125
°C
(1) Operation of this device above anyone of these parameters may cause permanent damage.
(2) Duration < 1s.
Ref. : DSCHR2244QDG5053 - 22 Feb 05
3/16
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax : [phone]