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Miniature Varactor Diodes For VCO, Phase Noise, And Voltage Tuned Filter Applications

Source: Skyworks Solutions, Inc.

Miniature Varactor Diodes For VCO, Phase Noise, And Voltage Tuned Filter Applications

Skyworks introduces two miniature 0402 varactor diodes for voltage controlled oscillator (VCO), phase noise and voltage tuned filter applications. Plastic surface mount (SMT) packages are available for these discrete solutions. These diodes featured a small form factor and are ideal for applications requiring low resistance, low inductance and a wide tuning range. The SMV1705-040LF and SMV1232-040LF are designed for 3V platforms in low phase noise VCOs used at frequencies in wireless systems up to and beyond 2.5 GHz. These general market diodes are also ideal for WLAN, CATV, LNB, energy management, wireless infrastructure and military markets.

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SMV1705-040LF: Surface Mount, 0402 Silicon Hyperabrupt Tuning Varactor Diode

The SMV1705-040LF is a silicon hyperabrupt junction varactor diode specifically designed for 3 V platforms. The specified high capacitance ratio and low reverse voltage make this varactor appropriate for low phase noise Voltage Controlled Oscillators (VCOs) used at frequencies in wireless systems up to and above 2.5 GHz. The SMV1705-040LF fits the industry-standard 0402 PCB footprint.

Features:

  • Low series resistance: 0.3 Ω typical
  • High capacitance ratio at low reverse voltage
  • Industry-standard 0402 footprint
  • Low series inductance: 0.45 nH typical
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020

 

Applications:

  • Wide bandwidth VCOs
  • Wide range voltage-tuned phase shifters and filters

 

Click Here To Download:
Datasheet: SMV1705-040LF: Surface Mount, 0402 Silicon Hyperabrupt Tuning Varactor Diode



SMV1232-040LF: Surface Mount, 0402 Silicon Hyperabrupt Tuning Varactor Diode

The SMV1232-040LF is a silicon hyperabrupt junction varactor diode specifically designed for 3 V platforms. The specified high capacitance ratio and low reverse voltage make this varactor appropriate for low phase noise Voltage Controlled Oscillators (VCOs) used at frequencies in wireless systems up to and above 2.5 GHz. The SMV1232-040L is compatible with the industry-standard 0402 PCB footprint.

Features:

  • Low series resistance: 1.2 O typical
  • High capacitance ratio at low reverse voltage: CT1/CT3 = 1.7 typical
  • Industry-standard 0402 footprint
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020

 

Applications:

  • Wide bandwidth VCOs
  • Wide range voltage-tuned phase shifters and filters

 

Click Here To Download:
Datasheet: SMV1232-040LF: Surface Mount, 0402 Silicon Hyperabrupt Tuning Varactor Diode

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