參數(shù)資料
型號： SA2421
廠商： NXP Semiconductors N.V.
英文描述： 2.45 GHz low voltage RF transceiver
中文描述： 2.45 GHz的低電壓RF收發(fā)器
文件頁數(shù)： 4/12頁
文件大?。?/td> 101K
代理商： SA2421
Philips Semiconductors
Product specification
SA2421
2.45 GHz low voltage RF transceiver
2000 Mar 13
4
AC ELECTRICAL CHARACTERISTICS
V
CC
= +3 V, T
amb
= 25
°
C; LO
IN
= –10 dBm @ 2.1 GHz; f
RF
= 2.45 GHz; unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
UNITS
MIN
–3
σ
+3
σ
MAX
f
RF
f
IF
RF frequency range
3
IF frequency range
3
2.4
2.45
2.5
GHz
300
350
400
MHz
LNA High gain mode (In = Pin 2; Out = 23)
S
21
S
12
S
11
S
22
ISO
Amplifier gain
LNA gain = Hi
13.3
14.3
15.3
dB
Amplifier reverse isolation
Amplifier input match
1
Amplifier output match
1
LNA gain = Hi
–32
dB
LNA gain = Hi
–10
dB
LNA gain = Hi
–9
dB
Isolation: LO
X
to LNA
IN
Amplifier input 1dB gain compression
LNA gain = Hi
–43
dB
P
-1dB
LNA gain = Hi
–15
dBm
IP3
Amplifier input third order intercept
f
1
- f
2
= 1 MHz,
LNA gain = Hi
LNA gain = Hi
–4.5
–3.2
–1.9
dBm
NF
Amplifier noise figure (50
)
LNA High Overload Mode (low gain mode)
3.1
3.2
3.3
dB
S
21
S
12
S
11
S
22
ISO
Amplifier gain
LNA gain = Low
–18.5
–19.4
–20.3
dB
Amplifier reverse isolation
Amplifier input match
1
Amplifier output match
1
LNA gain = Low
–26
dB
LNA gain = Low
–8
dB
LNA gain = Low
–8
dB
Isolation: LO
X
to LNA
IN
Amplifier input 1dB gain compression
LNA gain = Low
–45
dB
P
-1dB
LNA gain = Low
2
dBm
IP3
Amplifier input third order intercept
f
– f
= 1 MHz,
LNA gain = Low
LNA gain = Low
18
dBm
NF
Amplifier noise figure (50
)
Rx Mixer (Rx IN = Pin 19, IF = Pins 5 and 6, LO = Pin 10 or 12, P
LO
= –10 dBm)
Power conversion gain into 50
:
matched to 50 using external balun
circuitry.
Input match at RF (2.45 GHz)
1
SSB noise figure (2.45 GHz) (50
)
P
-1dB
Mixer input 1 dB gain compression
IP3
Input third order intercept
18.5
dB
PG
C
f
S
= 2.45 GHz,
f
LO
= 2.1 GHz,
f
IF
= 350 MHz
9.5
10
10.5
dB
S
11–RF
NF
M
–11
dB
9.8
11.2
12.5
dB
–10.5
dBm
f
1
– f
2
= 1MHz
1.8
2.2
2.6
dBm
Rx Mixer Spurious Components (P
IN
= P
-1dB
)
P
RF-IF
RF feedthrough to IF
4
P
LO-IF
LO feedthrough to IF
5
C
L
= 2 pF per side
C
L
= 2 pF per side
-35
dBc
-32
dBc
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