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參數(shù)資料
| 型號： | SA1921-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELECOM, CELLULAR, RF FRONT END CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 X 1.40 MM, PLASTIC, QFP-48 |
| 文件頁數(shù)： | 36/36頁 |
| 文件大?。?/td> | 521K |
| 代理商： | SA1921-T |
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Philips Semiconductors
Product specification
SA1921
Satellite and cellular dual-band RF front-end
1999 Mar 02
9
AC ELECTRICAL CHARACTERISTICS
High-Band, Single Mode of Operation
LNA and Image Reject Mixer
VCC = +3.75 V, FreqRF = 1550 MHz, FreqLO = 1713 MHz, PLOin = –3 dBm, TA = +25_C; unless otherwise stated.
PARAMETERS
MIN
–3
s
TYP.
+3
s
MAX
UNITS
NOTES
RF Input Frequency Range
1515
1600
MHz
IF Frequency
150
163
185
MHz
LO Frequency
1665
1785
MHz
Power Gain
21.5
22.2
22.9
dB
Power Gain Reduction (Strong Signal Mode—LNA Off)
34
47
60
dB
Noise Figure
3.7
3.9
4.1
dB
Input Impedance, RF Port
50
W
Return Loss at Inputs
–10
dB
1
LO leakage at RF Port
–48
dBm
1 dB RF Input Compression Point
–24
dBm
IP3 (3RD Order Intermodulation Product)
Referred to the RF Input Port
–14
–11.5
–9
dBm
(2 x LO) – (2 x RF) Spur Performance
–50 dBm IN Referred to RF Input Port
–62
dBc
50 dBm IN Referred to RF In ut Port
Measure at LO = 1688 MHz and RF = 1606 MHz
(3 x LO) – (3 x RF) Spur Performance.
–50 dBm IN Referred to RF Input Port.
Measure at LO = 1688 MHz and RF = 1634 MHz.
–102
dBc
Image rejection, fRX+2fIF
Referred to the RF Input Port
31.5
34
36.5
dB
LO Input Power
–5
–3
–1
dBm
Turn ON/OFF Time
10
msec
High-Band LO Buffer
VCC = +3.75 V, FreqLO = 1713 MHz, PLOin = –3 dBm, TA = +25_C; unless otherwise stated.
PARAMETERS
MIN
–3
s
TYP.
+3
s
MAX
UNITS
NOTES
LO Frequency Range
1665
1785
MHz
Differential Output Power
–9
dBm
Differential Output Impedance
100
W
Harmonic Content
–20
dBc
Input Power
–5
–3
–1
dBm
Input Impedance
50
W
1
Turn On/Off Time
10
msec
NOTE:
1. External matching network is required.
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