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參數(shù)資料
| 型號(hào)： | SA2420 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low voltage RF transceiver . 2.45GHz |
| 中文描述： | 低電壓RF收發(fā)器。 2.45GHz的 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 133K |
| 代理商： | SA2420 |
Philips Semiconductors
Product specification
SA2420
Low voltage RF transceiver — 2.45 GHz
1997 May 23
5
AC ELECTRICAL CHARACTERISTICS
(continued)
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNITS
MIN
-4
σ
TYP
+4
σ
MAX
Rx Mixer Spurious Components (P
IN
= P
-1dB
)
P
RF-IF
RF feedthrough to IF
P
LO-IF
LO feedthrough to IF
Tx Mixer (RF = Pin 19, IF = Pins 7 and 8, LO = Pin 10 or 12, P
LO
= -10dBm)
C
L
= 2pF per side
C
L
= 2pF per side
-35
dBc
-35
dBc
PG
C
Power conversion gain: R
L
= 50
R
S
= 50
f
S
= 2.45GHz,
f
LO
= 2.1GHz,
f
IF
= 350MHz
15.0
17
19.9
dB
G
C
/
T
G
C
/
V
CC
S
11–RF
NF
M
P
-1dB
IP3
Gain temperature drift
-0.032
dB/
°
C
Gain voltage drift
0.4
dB/V
Output match at RF (2.45GHz)
1
-10
dB
SSB noise figure (2.45GHz) (50
)
13.2
dB
Output 1dB gain compression
1.5
2.9
4.3
dBm
Output third order intercept
f
1
- f
2
= 1MHz
10.1
+11.5
12.9
dBm
f
RF
f
IF
RF frequency range
3
2.4
2.45
2.5
GHz
IF frequency range
3
300
350
400
MHz
Tx Mixer Spurious Components (P
OUT
= P
-1dB
)
P
IF-RF
IF feedthrough to RF
P
LO-RF
LO feedthrough to RF
P
2LO-RF
2*LO feedthrough to RF
P
IMAGE-RF
Image feedthrough to RF
LO Buffer: Full and Half Frequency inputs
-29
dBc
-20
dBc
-25
dBc
-0
dBc
P
LO
S
11-LO1
S
11-LO2
f
LO2G
f
LO1G
Switching
2
LO drive level (see figure 16)
-10
-7
5
dBm
Mixer input match (LO = 2.1GHz)
LO mode = Hi
-10
dB
Mixer input match (LO = 1.05GHz)
LO mode = Low
-10
dB
LO2G frequency range
3
LO mode = Hi
1.9
2.1
2.3
GHz
LO1G frequency range
3
LO mode = Low
0.85
1.05
1.25
GHz
t
Rx-Tx
t
Tx-Rx
t
POWER UP
t
PWR DWN
NOTES:
1. With simple external matching
2. With 50pF coupling capacitors on all RF and IF parts
3. This part has been optimized for the frequency range at 2.4–2.5 GHz. Operation outside this frequency range may yield performance other
than specified in this datasheet.
Receive-to-transmit switching time
1
μ
s
Transmit-to-Receive switching time
1
μ
s
μ
s
μ
s
Chip enable time
1
Chip disable time
1
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