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These low-noise VCOs feature an on-chip varactor and feedback capacitors that eliminate the need for external tuning elements, making the MAX2605-MAX2609 ideal for portable systems. Only an external inductor is required to set the oscillation frequency. In addition, an integrated differential output buffer is provided for driving a mixer or prescaler. The buffer output is capable of supplying up to -8dBm (differential) with a simple power match. It also provides isolation from load impedance variations.
The MAX2605-MAX2609 operate from a single +2.7V to +5.5V supply and offer low current consumption. These IF oscillators can cover the 45MHz to 650MHz frequency range.
主要特征
- Small Size
- Integrated Varactor for Tuning
- Low Phase Noise
- Wide Application Frequency Range
- Differential or Single-Ended Outputs
- Single +2.7V to +5.5V Supply
- Ultra-Small SOT23-6 Package
- On-Chip Temperature-Stable Bias
- Low-Current Operation
应用/用途
- 2.4GHz ISM波段
- 902MHz至928MHz ISM波段
- 蜂窝与PCS移动电话
- 通用中频振荡器
- GPS接收机
- 陆地移动无线装置
| RF Freq. (MHz) (max) | 650 |
| RF Freq. (MHz) (min) | 500 |
| LO Driver Outputs | Yes |
| PLL Driver Outputs | Yes |
| POUT (dBm) (min) | -10 |
| POUT (dBm) (max) | -10 |
| Package/Pins | SOT23/6 |
| Budgetary Price (See Notes) | $1.01 @1k |
技术文档
| 数据资料 | 45MHz至650MHz、集成中频VCO，差分输出 | Apr 08, 2002 | |
| 设计指南 | RF和混合信号PCB的一般布局指南 | ||
| 应用笔记 | 调谐MAX2607评估板获得高差分电压 | ||
| 应用笔记 | MAX2605/MAX2606/MAX2608/MAX2609 VCO相位噪声测量 | ||
| 应用笔记 | 免调节中频VCO: 第一部分: 设计考虑 | ||
| 应用笔记 | 免调节中频VCO: 第二部分: 新型IC简化设计 |
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描述
The MAX2605-MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices' performance and require no additional support circuitry. Both signal outputs use SMA connectors to facilitate connection to RF test equipment.
These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs.
特征
- Easy Evaluation
- Complete, Tunable VCO Test Board with Tank Circuit
- Low Phase Noise
- Fully Assembled and Tested
描述
The MAX2605-MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices' performance and require no additional support circuitry. Both signal outputs use SMA connectors to facilitate connection to RF test equipment.
These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs.
特征
- Easy Evaluation
- Complete, Tunable VCO Test Board with Tank Circuit
- Low Phase Noise
- Fully Assembled and Tested
描述
The MAX2605-MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices' performance and require no additional support circuitry. Both signal outputs use SMA connectors to facilitate connection to RF test equipment.
These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs.
特征
- Easy Evaluation
- Complete, Tunable VCO Test Board with Tank Circuit
- Low Phase Noise
- Fully Assembled and Tested
描述
The MAX2605-MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices' performance and require no additional support circuitry. Both signal outputs use SMA connectors to facilitate connection to RF test equipment.
These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs.
特征
- Easy Evaluation
- Complete, Tunable VCO Test Board with Tank Circuit
- Low Phase Noise
- Fully Assembled and Tested
描述
The MAX2605-MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices' performance and require no additional support circuitry. Both signal outputs use SMA connectors to facilitate connection to RF test equipment.
These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs.
特征
- Easy Evaluation
- Complete, Tunable VCO Test Board with Tank Circuit
- Low Phase Noise
- Fully Assembled and Tested
参量
| RF Freq. (MHz) (max) | 650 |
| RF Freq. (MHz) (min) | 500 |
| LO Driver Outputs | Yes |
| PLL Driver Outputs | Yes |
| POUT (dBm) (min) | -10 |
| POUT (dBm) (max) | -10 |
| Package/Pins | SOT23/6 |
| Budgetary Price (See Notes) | $1.01 @1k |
主要特征
- Small Size
- Integrated Varactor for Tuning
- Low Phase Noise
- Wide Application Frequency Range
- Differential or Single-Ended Outputs
- Single +2.7V to +5.5V Supply
- Ultra-Small SOT23-6 Package
- On-Chip Temperature-Stable Bias
- Low-Current Operation
应用/用途
- 2.4GHz ISM波段
- 902MHz至928MHz ISM波段
- 蜂窝与PCS移动电话
- 通用中频振荡器
- GPS接收机
- 陆地移动无线装置
描述
These low-noise VCOs feature an on-chip varactor and feedback capacitors that eliminate the need for external tuning elements, making the MAX2605-MAX2609 ideal for portable systems. Only an external inductor is required to set the oscillation frequency. In addition, an integrated differential output buffer is provided for driving a mixer or prescaler. The buffer output is capable of supplying up to -8dBm (differential) with a simple power match. It also provides isolation from load impedance variations.
The MAX2605-MAX2609 operate from a single +2.7V to +5.5V supply and offer low current consumption. These IF oscillators can cover the 45MHz to 650MHz frequency range.
技术文档
| 数据资料 | 45MHz至650MHz、集成中频VCO，差分输出 | Apr 08, 2002 | |
| 设计指南 | RF和混合信号PCB的一般布局指南 | ||
| 应用笔记 | 调谐MAX2607评估板获得高差分电压 | ||
| 应用笔记 | MAX2605/MAX2606/MAX2608/MAX2609 VCO相位噪声测量 | ||
| 应用笔记 | 免调节中频VCO: 第一部分: 设计考虑 | ||
| 应用笔记 | 免调节中频VCO: 第二部分: 新型IC简化设计 |
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