PF08107B
Rev.7, Dec. 2001, page 5 of 44
Electrical Characteristics for DCS1800 mode
(Tc = 25
°
C)
Test conditions unless otherwise noted:
f = 1710 to 1785 MHz, Vdd1 = Vdd2 = 3.5 V, Pin = 0 dBm, Vctl = 0 V, Rg = Rl = 50
, Tc = 25
°
C,
Pulse operation with pulse width 577
μ
s and duty cycle 1:8 shall be used.
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Frequency range
F
1710
1785
MHz
DCS1800 (1710 to 1785)
Band select (DCS active)
Vctl
0
0.1
V
Input power
Pin
–2
0
2
dBm
Control voltage range
Vapc
0.2
2.2
V
Supply voltage
Vdd
3.0
3.5
4.5
V
Total efficiency
η
T
37
43
%
2nd harmonic distortion
2nd H.D.
45
35
dBc
3rd harmonic distortion
3rd H.D.
45
35
dBc
4th~8th harmonic distortion
4th~8th H.D.
–35
dBc
Input VSWR
VSWR (in)
1.5
3
Pout
DCS
= 32.0 dBm,
Vapc = controlled
Output power (1)
Pout (1)
32.0
33
dBm
Vapc = 2.2 V
Output power (2)
Pout (2)
30.5
31.5
dBm
Vdd = 3.1 V, Vapc = 2.2 V,
Tc = +70
°
C
Isolation
42
37
dBm
Vapc = 0.2 V, Pin
DCS
= 2 dBm
Switching time
t
r
, t
f
1
2
μ
s
Pout
DCS
= 0 to 32.0 dBm
Stability
No parasitic oscillation
Vdd = 3.1 to 4.5 V, Pout
DCS
≤
32.0 dBm,
Vapc
≤
2.2 V, Rg = 50
,
Output VSWR = 6 : 1 All phases
Load VSWR tolerance
No degradation
Vdd = 3.1 to 4.5 V, Pout
DCS
≤
32.0 dBm,
Vapc
≤
2.2 V, Rg = 50
, t = 20 sec.,
Output VSWR = 10 : 1 All phases
Noise power
Pnoise
77
dBm
f
0
= 1785 MHz, f
rx
= f
0
+20 MHz,
Pout
DCS
= 32.0 dBm,
RES BW = 100 kHz
Slope Pout/Vapc
200
dB/V
Pout
DCS
= 0 to 32.0 dBm
Phase shift
20
deg
Pout
DCS
= 30.5 to 31.5 dBm
Total conversion gain1
5
dB
f
0
= 1785 MHz, Pout
DCS
= 30.5 dBm,
Other sig. = 1765 MHz (
40 dBm)
AM output
40
%
Pout
DCS
= 0 dBm,
4%AM modulation at input
50 kHz modulation frequency