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參數(shù)資料
| 型號： | RF2464 |
| 英文描述： | RF Modulator |
| 中文描述： | 射頻調(diào)制器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 85K |
| 代理商： | RF2464 |
5-56
RF2464
Rev B1 010329
5
M
U
SeeUpgradedProductRF2485
3 to 5.5
28
0.5
Absolute Maximum Ratings
Parameter
Supply Voltage
Power Down Voltage
Input LO and RF Levels
Operating Ambient Temperature
Storage Temperature
Rating
-0.5 to +7.5
-0.5 to V
DD
+0.4
+10
-40 to +85
-40 to +150
Unit
V
DC
V
DC
dBm
°C
°C
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
LO Input
Frequency Range
Power Level
Input VSWR
T=25°C, V
DD
=5V
DC
, I&Q inputs=2V
PP
200 to 600
-3 to +6
1.2:1
MHz
dBm
With external 50
termination; see applica-
tion schematic, note A.
At 200MHz, without external 50
termina-
termina-
tion.
At 600MHz, without external 50
termina-
tion.
Input Impedance
94-j264
79-j158
67-j117
Modulation Input
Frequency Range
Reference Voltage (V
REF
)
Modulation (I&Q)
Modulation (I&Q)
Maximum Modulation (I&Q)
Input Resistance
DC Offset
DC to 100
2.0 to 3.0
V
REF
±0.7
V
REF
±1.5
V
REF
±2.5
3000
50
MHz
V
V
V
V
mV
I & Q signals for 0dBm output power.
I & Q signals for +5dBm output power.
In-phase and quadrature signals.
150
I
SIG
-I
REF
and Q
SIG
-Q
REF
; to achieve maxi-
mum carrier suppression.
Amplitude Error (I/Q)
Quadrature Phase Error
0.2
±1
dB
°
±3
From 350MHz to 450MHz.
V
DD
=5V, LO Power=0dBm, LO
Freq=400MHz, SSB, I&Q input=0.7V
P
RF Output
Output Power
Output Impedance
Output VSWR
Broadband Noise Floor
Sideband Suppression
Carrier Suppression
-1
+1
50
1.5:1
-143
25
25
+3
dBm
dBm/Hz
dB
dB
At 20MHz offset
>40
>40
18
Modulation DC offset can be externally
adjusted for optimum suppression. Suppres-
sion is typically better than 25dB without
adjustment.
Power Down
Turn On/Off Time
PD Input Resistance
Power Down “ON”
Power Down “OFF”
Power Supply
Voltage
<100
>1
V
CC
0
ns
M
V
V
Threshold voltage
Threshold voltage
V
V
Specifications
Operating Limits
Operating
Power Down
Current
39
2
mA
mA
Caution!
ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
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