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25 July 1996
23 mm Transponder Reference Manual
Page 19 of 22
10. Characteristics
All data given for free air temperature range, a charge time of 50 ms, and a transmitter frequency
of 134.2 kHz +/- 40 Hz (unless otherwise noted).
PARAMETER
CONDITION
MIN.
NOM.
MAX.
UNIT
Operating quality factor
Qop
Note 1
62
Low bit transmit
frequency
fL
131.5
139.0
kHz
Low bit transmit
frequency
fL
+ 25 oC
132.2
134.3
136.2
kHz
Low bit duration
tL
0.115
0.119
0.121
ms
High bit transmit
frequency
fH
120.0
128.0
kHz
High bit transmit
frequency
fH
+ 25 oC
121.0
122.9
125.0
kHz
High bit duration
tH
0.125
0.130
0.133
ms
Transponder output field
strength @ 5 cm
Hout
80
101
dB
µ
A/m
FSK Modulation index
(read);
fL
-
fH
mread
+ 25 oC
11
kHz
FSK Modulation index
(read);
fL
-
fH
mread
Note 2
9
15
kHz
Data transmission rate
(read)
rread
7.4
8.7
kbit/s
Data transmission time
(read)
tread
16
20
ms
ASK modulation index
(write)
mwrite
100
%
Data transmission rate
(write)
rwrite
Note 3
0.5
kbit/s
Data transmission time
(write)
twrite
Note 3
224
ms
Note 1:
Specified Qop
must be met in the application over the required temperature range.
Refer to the test set-up shown in figure 13.
Note 2:
Maintained over specified temperature range.
Note 3:
Adaptable to application.