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參數(shù)資料
| 型號(hào)： | RF2721 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類(lèi)： | 無(wú)繩電話/電話 |
| 英文描述： | QUADRATURE DEMODULATOR |
| 中文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 66K |
| 代理商： | RF2721 |
Preliminary
2-28
RF2721
Rev A2 010509
7
Q
D
Absolute Maximum Ratings
Parameter
Supply Voltage
Power Down Voltage (V
PD
)
IF Input Level
LO Input Power
Operating Ambient Temperature
Storage Temperature
Rating
-0.5 to +7.0
-0.5 to V
CC
2.0
+10
-40 to +85
-40 to +150
Unit
V
DC
V
DC
V
PP
dBm
°C
°C
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Overall
IF Frequency Range
Baseband Frequency Range
T=25°C, V
CC
=5.0V
0.1 to 500
DC to >10
DC to 1
3
5000
>1.25
14
0.1
±1
1.5 to 3.5
MHz
MHz
MHz
k
V
PP
dB
dB
°
V
Load Impedance >5k
,
C
SHUNT
<1pF
Load Impedance >5k
,
C
SHUNT
<10pF
At 70MHz, each input
Input Impedance
Output Impedance
Maximum Output
Gain
I/Q Amplitude Balance
I/Q Phase Accuracy
Reference Voltage
With 250mV input
Small-signal, 100mV input
13
0.5
±5
The reference voltage input should provide a
low impedance at the I/Q frequency. The
voltage sets the DC level seen on the I and
Q ports.
I to Q
I or Q to REF IN
DC Offset
3
3
20
20
mV
mV
LO
Oscillator
Frequency
Level
Input Impedance
Power Down
Turn On/Off Time
Input Resistance
V
IH
V
IL
Power Supply
Voltage
Use provided transistor or external LO.
Twice (2x) the IF frequency.
0.1-1
400-j1200
V
PP
At 140MHz
<100
>50
2.5
0.8
ns
k
V
V
V
CC
Threshold voltage; Part is “ON”.
Threshold voltage; Part is “OFF”.
0
5
V
V
Specifications
Operating limits
Operating
Power Down
4.5 to 5.5
4.5
300
Current
7.2
500
mA
μ
A
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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