FDD-LTE 869
-
894
MHz
2
W-Power Amplifier Module
Technical Specifications
|
Items
|
Technical Parameters
|
|
Frequency rang
(MHz)
|
869-894MHz
|
|
Band Width(MHz)
|
25MHz
|
|
Output Power@
(25ºC)
|
33
±1dBm
|
|
ALC
|
Output Power keep Max.Output Power
±1.5dB
@(20dB>Input signal increased>10dB)
|
|
Gain
(25ºC)
|
50±
1
dB
|
|
Gain Adjustable rang
|
≥
2
0dB
|
|
Step of Gain Adjustable
|
≤1dB
|
|
Error of Gain Adjustable
|
Total error
≤
±1.5dB
|
|
ACPR
|
≤-
45
dBc
|
|
In Band Ripple
|
≤
1.5
dB
|
|
VSWR
|
≤1.5
|
|
Out of Band Spurious
|
9kHz~1GHz:≤-36dBm/30kHz
1GHz~12.75GHz:≤30dBm/30KHz
|
|
EVM
|
≤5%
|
|
Power Supply
|
+28V
;
≤
1.5
A
|
|
Storage
Temperature
|
-25
~
+
6
5ºC
|
|
Humidity
|
5%~95%
|
|
Operating Temperature
|
-25
~
+55ºC
|
Ports of the PA module
-
DB9
Male Port
for Power Supply& Monitor,
Pin definition:
PIN
1
,2
--
-----
>RS485A
;
PIN
3,4
--
-----
>RS485B
;
PIN
5,6
--
--------
>GND
;
PIN
7
-
------
->NC
;
PIN8,9
--
-----
>
DC+28V
RF Connector:
SMA-50KFD
Monitoring Functions
-
DB9
Monito
ring Port.
-
PA
setup function
:
Module address
(
default=
0
),
PA=ON/OFF
,
ATT
;
-
PA
Query function
:
Working status(on/off, Revers power,
forward power
Temperature, VSWR
,
ATT
,
)
, Alarm(over Temperature,
over power,
VSWR,
PA
Fault);
-
Over Temperature Alarm
:
Alarm threshold
+85ºC
, meanwhile switch off PA, When Temperature lower to
+
65
ºC
, switch on PA automatically.
-
Over power alarm: when output power >
Po+2dB
-
PA
Revers Power detection:
Detect
total power,
Modulated signal te
st detection rang >
20dBm
,
Detection accuracy
<
±2dBm
;
-
Amplifier temperature detection
: T
emperature
detection rang including but not limited
0ºC
~
+85ºC
,
Detection accuracy
<
±3ºC
;
-
VSWR d
etection: detection rang including but not limited
1.4~3.0
.
Detection accurac
y
: 1.3~1.7@ Load
'
s VSWR=1.5; / 1.5~2.51.3~1.7@ Load
'
s VSWR=2.0;
-
PA
Forward Power detection: Detect total power,
Modulated signal test
, detection rang >
20dBm
,
Detection accuracy
<
±2dBm
;