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參數(shù)資料
| 型號： | SA1920 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Dual-band RF front-end |
| 中文描述： | TELECOM, CELLULAR, RF FRONT END CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 X 1.40 MM, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 8/36頁 |
| 文件大?。?/td> | 215K |
| 代理商： | SA1920 |
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Philips Semiconductors
Product specification
SA1920
Dual-band RF front-end
1999 Mar 02
8
AC ELECTRICAL CHARACTERISTICS
Low-Band, Dual Mode of Operation
V
CC
= +3.75 V, Freq
RF
= 881 MHz, Freq
LO
= 991.52 MHz, P
in
= –3 dBm, T
A
= +25 C; unless otherwise stated
PARAMETERS
Min
–3
TYP
+3
Max
UNITS
NOTES
System
RF Input Frequency Range
869
881
960
MHz
IF Frequency
110.52
MHz
LO Frequency
991.52
MHz
Cascaded Power Gain; includes 3dB filter loss
22.5
24
25.5
dB
Power Gain Reduction (Strong Signal Mode—LNA Off)
29
35
41
dB
Cascaded Noise Figure; includes 3dB filter loss
2.6
dB
LNA
LNA Gain
17
17.5
18
dB
LNA IIP3
–6
–5
–4
dBm
LNA Noise Figure
1.6
1.7
1.8
dB
Mixer
Mixer Gain
9
9.5
10
dB
Mixer IIP3
4
5
6
dBm
Mixer Noise Figure
9
10
11
dB
Other
Input Impedance, RF Port
50
Return Loss at LNA Inputs and Output
–10
dB
1
Return Loss at Mixer Input and Outputs
–10
dB
1
LO leakage at RF Port
–42
dBm
LO Input Power
–5
–3
–1
dBm
Turn ON/OFF Time
100
sec
Low-Band LO Buffer
PARAMETERS
Min
–3
TYP.
991.52
+3
Max
UNITS
MHz
NOTES
LO Frequency
Differential Output Power
–7
dBm
Differential Output Impedance
100
Harmonic Content
–20
dBc
Input Power
–5
–3
–1
dBm
Input Impedance
50
1
Turn On/Off Time
30
sec
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