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參數(shù)資料
| 型號： | SA65-0003-TB |
| 英文描述： | Down Converter, 1500 - 2000 MHz |
| 中文描述： | 降壓轉(zhuǎn)換器，1500年至二〇 〇 〇年兆赫 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 259K |
| 代理商： | SA65-0003-TB |
Down Converter, 1500 - 2000 MHz
SA65-0003
Specifications subject to change without notice.
n
North America:
Tel. (800) 366-2266
n
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
n
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
V 1.00
Typical Performance Curves
3
Gain
Isolation at +3V
Part
Value
Purpose
C1
47 pF
DC Block
C2
47 pF
By-pass
C3
3.3 pF
LO Port Matching Network
L1
3.9 nH
Tuning
L2
3.0 nH
LO Port Matching Network
L3
12 nH
RF Choke
R1
See Note 14
Optional Current Control
R2
5.1 k Ohms
DC Return
R3
330 Ohms
LO Port Matching Network
External Circuitry Parts
13
13. All external circuitry parts are readily available, low cost
surface mount components (.060 in. x .030 in. or .080 in.
x .050 in.).
14. Pin 2 allows use of an external resistor to ground for op-
tional higher current. For 20 mA operation, no resistor is
used.
For I
DD
30 mA, R2 = 43 Ohms
For I
DD
45 mA, R2 = 15 Ohms
For I
DD
60 mA, R2 = 10 Ohms
Spurious Table
-12
-37
-65
-75
-75
4X
-1.9
-39
-72
-77
-77
-2.8
-29
-68
-66
-74
3X
7.1
-30
-70
-77
-75
Harmonic
7.0
-27
-37
-68
-74
of LO (n)
2X
11.8
-27
-47
-75
-75
4.5
0
-48
-69
-74
1X
11.8
0
-58
-76
-76
N/A
-5
-34
-69
-70
0X
N/A
-5
-46
-75
-70
0X
1X
2X
3X
4X
The spurious table shows the spurious signals resulting from
the mixing of the RFIN and LO input signals, assuming down
conversion. The number of dB below the conversion loss
level indicates the mixing products. The lower frequency
mixing term is shown for two different input levels. The top
number is for an RFIN power level of –19 dB; the lower
number is for –29 dB. Assuming the LNA gain is
approximately 14 dB, the mixer input will see approximately
–5 dB and –15 dB.
|mF
RF
- nF
LO
|, RF = -19 dB RF = 1850 MHz
|mF
RF
- nF
LO
|, RF = -29 dB LO = 1710 MHz
Harmonic
of RFIN (m)
2
4
6
8
10
1.5
1.6
1.7
1.8
1.9
2.0
Frequency (GHz)
G
+3V
+5V
0
10
20
30
40
1.5
1.6
1.7
1.8
1.9
2.0
Frequency (GHz)
I
L-I
L-R
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