- Hadron
mini
Technical Information Manual
21
Output voltage range
0.2
3.1 V
DNL
±2 LSB
INL
±4 LSB
Offset
±10 mV
Gain error
±0.5 %
Settling time
3
4 μsec
CLOAD < 50 pF & RLOAD > 5 kΩ
Tab. 3.11: Analog Interface Specification
EPC Class-1 Generation-2 Operation
Supported RF modes
The R1271C Hadron
mini
supports the following RF modes:
Key Value
Description
0
Auto (Defaults to mode 1)
1
Dense Reader Mode profile for FCC operation
2
Dense Reader Mode profile for ETSI operation
3
Very fast mode with reduced sensitivity and noise immunity
4
Very sensitive mode with reduced speed and reduced noise immunity
Tab. 3.12: Supported RF Modes
The link between each RF modes and the forward and reverse link profile are reported in the following
table:
RF
Modes
Forward Link Profile
Reverse Link Profile
R2T
Modulation
Tari
RTCAL
T2R
Modulation
Link
Frequency
TRCAL
1
PR-ASK
25 μs
62.5 μs M4
250 kHz
85.333 μs
2
PR-ASK
25 μs
62.5 μs M4
300 kHz
71.111 μs
3
1
DSB-ASK
6.25 μs
15.625 μs FM0
400 kHz
20 μs
4
DSB-ASK
25 μs
75 μs FM0
40 kHz
200 μs
Tab. 3.13: RF Modes – Forward and Reverse Link Profiles
In the following table are reported the inventory performances that can be achieved with RF Mode 1 and
RF Mode 3:
Parameter
Min.
Typ.
Max. Unit
Conditions
Inventory Rate
(RF Mode 1)
146
Tags/sec
1 Tag with tag population estimate = 0 (Q=0)
140
Tags/sec
20 Tags with tag population estimate = 16
191
Tags/sec
100 Tags with tag population estimate = 128
Inventory Rate
(RF Mode 3)
230
Tags/sec
1 Tag with tag population estimate = 0 (Q=0)
207
Tags/sec
20 Tags with tag population estimate = 16
214
Tags/sec
100 Tags with tag population estimate = 128
Tab. 3.14: Inventory Performance
Note: Data gathered with reader performing 10 seconds of inventory in Dual Target, Session 0.
1
Only for FCC version ( mod. WR1271CXUAAA)