EGSM Electrical Characteristics
Test conditions Vdd= +3.5V, a pulse width of 1154 µs and a duty cycle of 25% at a case temperature of +25°C unless otherwise stated.
Parameter
Test Conditions
Symbol
Min
Typ
Max
Units
Frequency Range
Fo
880
900
35
915
MHz
dBm
Output Power Nominal Conditions
P
in = +2 dBm
Pout1
34.5
Vapc = 2.2V
Efficiency
Pout=Pout1
PAE
Pin
55
0
60
-40
2
%
Output Power in off mode
Input Power
Vapc = 0.2V, Pin = 4 dBm
-36
4
dBm
dBm
Input VSWR
Pin = 0 dBm
1.5
2.5
Stability
Vdd = 3.0 to 5.3V,
Pin = 0– 4 dBm,
Pout ≤ 34.5 dBm,
Vapc ≤2.2V,
No parasitic oscillation > -36 dBm
VSWR ≤ 8:1, all phases
Load mismatch robustness
V
dd = 3.0 to 5.3V,
No module damage or permanent degradation
Pin = 0– 4 dBm,
Pout ≤ 34.5 dBm,
Vapc ≤2.2V,
VSWR ≤ 10:1, all phases
t = 20 sec
Second Harmonic
Third Harmonic
Vdd = 3.5V
2Fo
-5
dBm
dBm
dBm
P
in = 0 dBm
Pout = 34.5 dBm
Vapc = controlled for Pout
Vdd = 3.5V
3Fo
-5
P
in = 0 dBm
Pout = 34.5 dBm
Vapc = controlled for Pout
Fourth to Eighth Harmonics
Noise Power
Vdd = 3.5V
Pin = 0 dBm
4Fo-8Fo
-10
P
out = 34.5 dBm
Vapc = controlled for Pout
F=925 to 935 MHz,
Pout ≤ 34.0 dBm,
Pin = 0 dBm
RBW = 100 kHz
F = 925 to 960 MHz,
Pout ≤ 34.0 dBm,
Pin = 0 dBm
Pn
Pn
-72
-82
dBm
dBm
RBW = 100 kHz
Band to Band Isolation
Measured at DCS freq EGSM signal:
Vdd = 3.5V
-25
dBm
Pin = +2 dBm
Pout = 34.5 dBm (fixed)
Control Slope (Peak)
AM-AM
Pout = -5 dBm to Pout
400
5
dB/V
Pin = 0– 4 dBm
dB/dB
Pout = 6 dBm to Pout
AM-PM
Pin = 0– 4 dBm
6
deg/dB
Pout = 6 dBm to Pout
3
HP [ HEWLETT-PACKARD ]
