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
Frequency Range
Output Power Nominal Conditions
Efficiency
Output Power in off mode
Input Power
Input VSWR
Stability
Test Conditions
Symbol
F
o
Min
880
34.5
55
Typ
900
35
60
-40
Max
915
Units
MHz
dBm
%
P
in
= +2 dBm
V
apc
= 2.2V
P
out
=P
out1
V
apc
= 0.2V, P
in
= 4 dBm
P
out1
PAE
-36
4
2.5
dBm
dBm
P
in
P
in
= 0 dBm
V
dd
= 3.0 to 5.3V,
P
in
= 0 – 4 dBm,
P
out
≤
34.5 dBm,
V
apc
≤
2.2V,
VSWR
≤
8:1, all phases
V
dd
= 3.0 to 5.3V,
P
in
= 0 – 4 dBm,
P
out
≤
34.5 dBm,
V
apc
≤
2.2V,
VSWR
≤
10:1, all phases
t = 20 sec
V
dd
= 3.5V
P
in
= 0 dBm
P
out
= 34.5 dBm
V
apc
= controlled for P
out
V
dd
= 3.5V
P
in
= 0 dBm
P
out
= 34.5 dBm
V
apc
= controlled for P
out
V
dd
= 3.5V
P
in
= 0 dBm
P
out
= 34.5 dBm
V
apc
= controlled for P
out
F=925 to 935 MHz,
P
out
≤
34.0 dBm,
Pin = 0 dBm
RBW = 100 kHz
F = 925 to 960 MHz,
P
out
≤
34.0 dBm,
Pin = 0 dBm
RBW = 100 kHz
Measured at DCS freq EGSM signal:
V
dd
= 3.5V
P
in
= +2 dBm
P
out
= 34.5 dBm (fixed)
Pout = -5 dBm to P
out
Pin = 0 – 4 dBm
Pout = 6 dBm to P
out
Pin = 0 – 4 dBm
Pout = 6 dBm to P
out
2F
o
0
2
1.5
No parasitic oscillation > -36 dBm
Load mismatch robustness
No module damage or permanent degradation
Second Harmonic
-5
dBm
Third Harmonic
3F
o
-5
dBm
Fourth to Eighth Harmonics
4F
o
-8F
o
-10
dBm
Noise Power
P
n
-72
dBm
P
n
-82
dBm
Band to Band Isolation
-25
dBm
Control Slope (Peak)
AM-AM
AM-PM
400
5
6
dB/V
dB/dB
deg/dB
3
HP [ AGILENT(HEWLETT-PACKARD) ]
