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參數(shù)資料
| 型號： | MAX2608 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Full-Duplex M-LVDS Transceiver 14-SOIC -40 to 85 |
| 中文描述： | 45MHz至650MHz、集成中頻VCO，差分輸出 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 161K |
| 代理商： | MAX2608 |
E
MAX2605–MAX2609 Evaluation Kits
_______________________________________________________________________________________
3
approximates the typical operating current specified
in the MAX2605
–
MAX2609 data sheet.
3) Connect the VCO output (OUT+ or OUT-) to a spec-
trum analyzer with a 50
coaxial cable.
4) Apply a positive variable DC voltage between 0.4V
and 2.4V to TUNE.
5) Check the tuning bandwidth on the spectrum analyz-
er by varying the tuning voltage (+0.4V to +2.4V).
Layout Considerations
The EV kit PC board can serve as a guide for laying out
a board using the MAX2605
–
MAX2609. Generally, the
VCC pin on the PC board should have a decoupling
capacitor placed close to the IC. This minimizes noise
coupling from the supply. Also, place the VCO as far
away as possible from the noisy section of a larger sys-
tem, such as a switching regulator or digital circuits.
The VCO
’
s performance is strongly dependent on the
availability of the external tuning inductor. For best per-
formance, use high-Q components and choose their val-
ues carefully. To minimize the effects of parasitic ele-
ments, which degrade circuit performance, place the
tuning inductor and C
BYP
close to the VCO. For higher-
frequency versions, include the parasitic PC board
inductance and capacitance when calculating the
oscillation frequency. In addition, remove the ground
plane around and under the tuning inductor to minimize
the effect of parasitic capacitance.
Noise on TUNE translates into FM noise on the outputs;
therefore, keep the trace between TUNE and the control
circuitry as short as possible. If necessary, use an RC
filter to further suppress noise, as done on the EV kits.
MAX2609 Component List
D ESIG N A T O N
QTY
DESCRIPTION
C1
1
1000pF
±
5% ceramic capacitors
(0603)
Murata GRM39COH102J025A or
AVX 06035A102JAT2A
C2, C3
2
1pF
±
0.25% ceramic capacitors
(0603)
Murata GRM39COG010C050A
C4, C6
2
100pF
±
5% ceramic capacitors
(0603)
Murata GRM39COG101J050A
C5
1
10
μ
F
±
10%, 16V tantalum cap aci or
AVX TAJC106K016
R1
1
2
1
270
±
5% resistor (0603)
Not installed
10
±
5% resistor (0603)
8.2nH
±
2% inductor
Coilcraft 0805CS-080XGBC
R2, R3
R4
L1
1
L4, L5
2
27nH
±
2% inductors
Coilcraft 0805CS-270XJBC
U1
1
MAX2609EUT
J1, J2
2
SMA connectors (edge mount)
EFJohnson 142-0701-801 or
Digi-Key J502-ND
VCC,GND,
TUNE
6
Test points
Digi-Key 5000K-ND
None
None
1
1
MAX2608/9 EV kit circuit board
MAX2605
–
MAX2609 data sheet
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX2608EUT | Full-Duplex M-LVDS Transceiver 14-SOIC -40 to 85 |
| MAX2624EUA | Monolithic Voltage-Controlled Oscillators |
| MAX2622EUA | 1-Channel M-LVDS Type-2 Receiver 8-SON |
| MAX2623 | 1-Channel M-LVDS Type-2 Receiver 8-SON |
| MAX2623EUA | Quad 2-input positive-NAND gates 14-SOIC 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2608EUT | 制造商:Maxim Integrated Products 功能描述:6 PINS THNSOT PKG - Cut Tape Product |
| MAX2608EUT+ | 功能描述:VCO振蕩器 45MHZ TO 650MHZ ING IF VCOS RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
| MAX2608EUT+T | 功能描述:VCO振蕩器 45 - 650MHz Int IF VCOs w/Diff Out RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
| MAX2608EUT-T | 功能描述:VCO振蕩器 45 - 650MHz Int IF VCOs w/Diff Out RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
| MAX2608EVKIT | 功能描述:時鐘和定時器開發(fā)工具 MAX2608 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
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