DATA SHEET • SKY77500
IPAC™ FEM FOR QUAD-BAND GSM / GPRS
Table 4. SKY77500 Electrical Specifications (1) (2 of 9)
GSM850 Mode (f = 824 to 849 MHz and PIN = 0 to 6 dBm)
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Units
Frequency range
f
—
—
—
824
0
—
—
—
849
6
MHz
dBm
V
Input power
PIN
VAPC
Analog power control voltage
0.4
2.1
VCC = 3.5 V
POUT = 33 dBm
PAC ENABLE > 2.0 V
pulse width 577 µs
duty cycle 1:8
Power Added Efficiency
2nd to 13th harmonics
PAE
39
43
—
%
TCASE = +25 °C
BW = 3 MHz
5 dBm ≤ POUT ≤ 33 dBm
2fO to 13fO
POUT
—
–45
–33
—
dBm
VCC = 3.5 V
TCASE = +25 °C
33.0
34.0
VCC = 2.9 V
PAC ENABLE > 2.0 V
TCASE = –20 °C to +100 °C
(See Table 2 for multislot.)
PIN = 0 dBm
POUT MAX LOW VOLTAGE
30.5
32.0
—
Output power
dBm
VCC = 4.8 V
PAC ENABLE > 2.0 V
TCASE = –20 °C to +100 °C
(See Table 2 for multislot.)
PIN = 0 dBm
POUT MAX HIGH VOLTAGE
30.5
—
36.5
1.5:1
–40
—
2:1
–20
Input VSWR
ΓIN
POUT = 5 to 33 dBm, controlled by VAPC
—
PIN = 6 dBm
VAPC ≤ 0.3 V
PAC ENABLE ≥ 2.0 V
TX_RX ≤ 0.5 V
POUT ENABLED_RX
—
Mode = GSM_RX (See Table 3)
PIN = 6 dBm
VAPC ≤ 0.3 V
PAC ENABLE ≤ 0.2 V
TX_RX ≤ 0.2 V
(5)
Forward isolation
dBm
POUT STANDBY
—
—
–60
–25
–39
Mode = GSM_RX (See Table 3)
PIN = 6 dBm
VAPC ≤ 0.3 V
PAC ENABLE ≥ 2.0V
TX_RX ≥ 2.0 V
POUT ENABLED_TX
0
Mode = GSM_TX (See Table 3)
Coupling of GSM850 TX output (fO) to GSM_RX
output pins
5 dBm ≤ POUT ≤ +33 dBm
Mode = GSM_TX (See Table 3)
CGLOTX-RX_Fo
—
—
5
+11
–70
dBm
dBc
(5)
Coupling of GSM850 TX output (2fO, 3fO) to
DCS_RX output pins
5 dBm ≤ POUT ≤ +33 dBm
Mode = GSM_TX (See Table 3)
CGLOTX-DCSRX
–80
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
May 16, 2005 • Skyworks Proprietary information. • Products and product information are subject to change without notice. • 103146A
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