T0905 Datasheet, PDF (5/9 Pages) ATMEL Corporation – General- purpose VHF/UHF Power Amplifier (135 to 600 MHz)

T0905 [Preliminary]
Electrical Characteristics (Continued)
Test conditions (if not otherwise specified): V_CC = +3.5 V, T_amb = +25°C, 50 Ω input and 50 Ω output match
No. Parameters
Test Conditions
Pin
Symbol Min. Typ. Max. Unit
3.5
Power added
efficiency
V_CC = 3.5 V
P_RFout = 35.0 dBm
10, 22 -
25, 28
PAE₄₅₀
50
55
%
3.6
Current consumption P_RFout = 35 dBm
active mode
PAE = 55%
10, 22 -
25, 28
I₄₅₀
1.64
A
3.7 Input VSWR
3.8
Stability/load
mismatch
3.9
2^nd harmonic
distortion
P_Rfin450 = 0 to 8 dBm
P_RFout = 31.0 dBm
P_RFout450 = 31.0 dBm
V_CC = 4.6 V
4
22 - 25
22 - 25
VSWR₄₅₀
VSWR₄₅₀
2fo₄₅₀
2:1
8:1
-35
dBc
3.10
3_rd harmonic
distortion
22 - 25
3fo₄₅₀
-35
dBc
3.11
4^th to 8^th harmonic
distortion
22 - 25 4fo..8fo₄₅₀
-35
dBc
3.12
Isolation between
input and output
P_Rfin150 = 8 dBm
V_ctl ≤0.2 V
(power down)
4,
22 - 25
P_RFout450
-30
dBm
4 Power Control
4.1 Control curve slope
P_RFout ≥ 5 dBm
P_RFout ≥ 25 dBm
22 - 25
S_ctl
300 350 dB/V
120 150 dB/V
4.2 Power control range V_ctl = 0 to 2.5 V
22 - 25
G_ctl
60
dB
4.3 Control voltage range
12 - 14
V_ctl
0.5
2.0
V
4.4 Control current
P_RFin = 0 to 8 dBm
V_ctl = 0 to 2.0 V
12 - 14
I_ctll
200
µA
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Type*
A
A
C
C
A
A
C
A
C
C
C
A
5
4751D–SIGE–05/04