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參數(shù)資料
| 型號： | RF2938 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 2.4GHZ SPREAD-SPECTRUM TRANSCEIVER |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 528K |
| 代理商： | RF2938 |
2-18
RF2938
Rev A8 010418
11
T
RX I
CC
versus V
CC
(V
GC
=1.2V to 2.0V, I & Q_out=500mV
P-P
,
IF LO=560MHz@-10dBm, R
BW
=100k
)
)
59.00
59.50
60.00
60.50
61.00
61.50
62.00
62.50
63.00
63.50
64.00
64.50
65.00
65.50
66.00
66.50
67.00
67.50
68.00
68.50
69.00
69.50
70.00
2.7
2.8
2.9
3.0
3.1
V
CC
(VDC)
3.2
3.3
3.4
3.5
3.6
I
C
Icc, -40°C
Icc, +25°C
Icc, +85°C
RX Gain versus V
GC
(V
CC
=2.7-3.6V, RX IF
IN
=280.5MHz, R
BW
=100k
, I & Q
out=500mV
P-P
, IF LO=560MHz@-10dBm)
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
55.00
60.00
65.00
70.00
75.00
80.00
85.00
90.00
95.00
100.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC (VDC)
G
Gain, -40°C
Gain, +25°C
Gain, +85°C
Input P1dB versus V
GC
(Temp=Ambient, V
CC
=3.15V,
RX IF
IN
=280.5MHz, R
BW
=100k
, IF LO=560MHz@-10dBm)
-85.00
-80.00
-75.00
-70.00
-65.00
-60.00
-55.00
-50.00
-45.00
-40.00
-35.00
-30.00
-25.00
-20.00
-15.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
GC
[VDC]
I
Noise Figure versus V
GC
(Temp=Ambient, V
CC
=3.15V,
RX IF
IN
=291MHz, R
BW
=5.1k
, IF LO=560MHz@-10dBm)
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
32.00
34.00
36.00
38.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
GC
[VDC]
N
I & Q Amplitude Balance versus V
GC
(V
CC
=3.15V, RX IF
IN
=280.5MHz,
R
BW
=100k
, I & Q out=500mV
P-P
, IF LO=560MHz@-10dBm)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
GC
(VDC)
I
Ampl_Err, -40°C
Ampl_Err, +25°C
Ampl_Err, +85°C
I & Q Phase Balance versus V
GC
(V
CC
=2.7-3.6V,
RX IF
IN
=280.5MHz, R
BW
=100k
, I & Q out=500mV
P-P
, IF LO=560MHz@-10dBm)
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
11.00
12.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
GC
(VDC)
I
o
)
Phase Err, -40°C
Phase Err, +25°C
Phase Err, +85°C
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