DEMOBOARD-T7024-PGM データシートの表示（PDF） - Atmel Corporation
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DEMOBOARD-T7024-PGM Datasheet PDF : 19 Pages
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T7024
7. Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): VS = 3.0V, Tamb = 25°C
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Supply current
(LNA and control logic)
TX (control logic active)
Pin VS_LNA
IS
0.5
mA
Standby current
Frequency range
Power gain(5)
Standby, pin VS_LNA
RX
RX, pin LNA_IN to LNA_OUT
IS_standby
1
10
µA
f
2.4
2.5
GHz
Gp
15
16
19
dB
Noise figure
RX, PSSO20
RX, QFN20
NF
2.5
2.8
dB
NF
2.1
2.3
dB
Gain compression
3rd-order input interception point
RX, referred to pin LNA_OUT
RX
O1dB
IIP3
–9
–7
–6
dBm
–16
–14
–13
dBm
Input matching(4)
RX, pin LNA_IN
VSWRin
2:1
Output matching(4)
RX, pin LNA_OUT
VSWRout
2:1
Logic Input Levels (RX_ON, PU)(5)
High input level
= ‘1’ pins RX_ON and PU
ViH
2.4
VS, LNA
V
Low input level
= ‘0’
ViL
0
0.5
V
High input current
= ‘1’ ViH = 2.4V
IiH
40
60
µA
Low input current
= ‘0’
IiL
0.2
µA
Notes: 1. Power amplifier shall be unconditionally stable, maximum duty cycle 100%, true CW operation, maximum load mismatch
and duration: load VSWR = 10:1 (all phases) 10s, ZG = 50Ω.
2. With external matching network, load impedance 50Ω.
3. Low-noise amplifier shall be unconditionally stable.
4. With external matching components.
5. LNA gain can be adjusted with RX_ON voltage according to Figure 9-16 on page 11. Please note, that for RX_ON below
1.4V the T/R switch driver switches to TX mode.
8. Control Logic PA and LNA/Antenna Switch Driver
PU
RX_ON
Ramp(1)
PA
LNA
Antenna Switch Driver Operation Mode
0
0
0
off
off
off
standby
0
0
1
on
off
off
(2)
0
1
0
off
on
off
(3)
0
1
1
on
on
off
(4)
1
0
0
off
off
on
(4)
1
0
1
on
off
on
TX
1
1
0
off
on
off
RX
1
1
1
on
on
off
(5)
Notes: 1. “0” = VRAMP ≤ 0.1V, “1” = VRAMP typically 1.75V, 1.3V < VRAMP < 1.83V controls gain and output power, compare Figure 9-6
on page 7 and Figure 9-10 on page 9
2. Only for special operation, e.g. only PA operation, no LNA/switch driver operation
3. Only for special operation, e.g. no switch driver operation
4. Only for special operation
5. Only for special operation, e.g. separate TX/RX antennas, TX and RX operation at the same time
5
4533H–BLURF–07/07
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