PMB-2240 Siemens, PMB-2240 Datasheet - Page 17

• Manufacturer Part Number: PMB-2240
• Description: GSM Transmitter
• Manufacturer: Siemens

* Design hint
** cond1 means V
*** cond2 means V
Siemens AG
37 Output impedance
38 Output power
39 Carrier suppression
40 Single sideband
41 Suppression of
42 Signal to noise
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’
(open collector diff.
suppression
third order
distortion products
output)
ratio *
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I-IX
I-IX
= V
= V
Q-QX
Q-QX
a
a
P
a
S/N
Cmod
SSB
E_b
IM3
f
= 500 mV pp
LO
= 1 V pp
= 900 MHz; f
-12
26
32
35
-6
17
-142
-139
I-IX
32
38
62
50
-9
-3
see S-parameter 9.5
= f
Q-QX
-6
=10MHz;
0
dBc/Hz
dBc/Hz
dBm
dBm
dB
dB
dB
dB
dB
ROFF1,ROFF2 tuned
P
P
with 90° phase shift
suppression ( appl.
hint: fig.1,sec. 8.3)
to maximum SSB
LO
LO
between I and Q;
= -8 dBm f offset
= -8 dBm f offset
cond2 ***
cond2 ***
cond2 ***
cond2 ***
= 20MHz
= 20MHz
cond1 **
cond1 **
cond1 **
cond1 **
05.97
1
1
1
1
1
1
1
1
1