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Amp'ed RF Technology BT-AP 111 Manual de usuario Pagina 6

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BT-11 Datasheet
Phone: +1 408 213-9530 | Fax: 408-213-9533 | E-mail: info@ampedrftech.com 6
Address : 1879 Lundy Ave, ste. 138, San Jose, CA 95131
电话：+86 022-83945100 | 传真：+86 022-83945100转111 | E-mail: infocn@ampedrftech.com
地址：天津市华苑产业区海泰西路18号西3B-202（300384）
2.4 I/O Operating Characteristics
Symbol
Parameter
Min
Max
Unit
Conditions
V
IL
Low-Level Input Voltage
-
0.9
Volts
V
IN
, 3.0V
V
IH
High-Level Input Voltage
2.1
-
Volts
V
IN
, 3.0V
V
OL
Low-Level Output Voltage
-
0.4
Volts
V
IN
, 3.0V
V
OH
High-Level Output Voltage
2.2
-
Volts
V
IN
, 3.0V
I
OL
Low -Level Output Current
-
8.0
mA
V
OL
= 0.4 V
I
OH
High-Level Output Current
-
8.0
mA
V
OH
= 2.2 V
R
PU
Pull-up Resistor
50
150
KΩ
Resistor Turned On
R
PD
Pull-down Resistor
50
150
KΩ
Resistor Turned On
2.5 Selected RF Characteristics
Parameters
Conditions
BT Spec
Typical
Unit
Antenna load
50
ohm
Radio Receiver
Sensitivity level
BER < .001 with DH5
≤ -70
-88
dBm
Maximum usable level
BER < .001 with DH1
≥ -20
-9
dBm
Input VSWR
2.5:1
Radio Transmitter
Maximum output power
50 Ω load
<+20
+8
dBm
Initial Carrier Frequency Tolerance
± 75
0
kHz
20 dB Bandwidth for modulated carrier
≤ 1000
932
kHz
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