# Freq Doubler ## Description Welcome to your new project – verify PCB footprint against RS PRO 125-2007 before final spin ## Project Details - **Owner:** pretorianguard - **Created:** 1/7/2026 - **Last Updated:** 1/30/2026 - **Visibility:** Public - **Net Class Digital:** 6mil_width, 0.30mm_via_drill - **Board Width:** 40mm - **Board Height:** 28mm - **Net Class Analog:** 6mil_width, 0.30mm_via_drill - **Net Class Power:** 6mil_width, 0.30mm_via_drill ## Key Components ### LNK_GND — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Resistance: 0Ω - Package or Case Code: R_1206_3216Metric - Part Type: Resistor - Mount: Surface Mount - Role Details: Link between SIG_GND and GNDPWR - Role: Switch - Package: SMD_1206_3216Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1A — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - Resistance: 0Ω - Manufacturer Part Number: RC0805JR-070RL - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Resistor - Role: Switch - Manufacturer Name: Yageo - Package: R_0805_2012Metric - Role Details: Copper-bridge solder jumper **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1A — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Resistor - Manufacturer Name: Yageo - Manufacturer Part Number: RC0805JR-070RL - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf - Resistance: 0Ω **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1B — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf - Manufacturer Part Number: RC0805JR-070RL - Resistance: 0Ω - Part Type: Resistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yageo **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1B — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - Part Type: Switch - License: https://creativecommons.org/licenses/by/4.0/ - Package: R_0805_2012Metric - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf - Role: Switch - Manufacturer Part Number: RC0805JR-070RL - Exclude from PCB: false - Resistance: 0Ω - Exclude from BOM: false - Role Details: Copper-bridge solder jumper, closed by default - Manufacturer Name: Yageo **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1C — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - Manufacturer Name: Yageo - Package: R_0805_2012Metric - Part Type: Resistor - License: https://creativecommons.org/licenses/by/4.0/ - Resistance: 0Ω - Role: Switch - Role Details: Copper-bridge solder jumper - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf - Manufacturer Part Number: RC0805JR-070RL **Pins:** - P1 [pin 1] - P2 [pin 2] ### S1C — [RC0805JR-070RL](https://www.flux.ai/jecstronic/rc0805jr-070rl~pg7.md) - Manufacturer Name: Yageo - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Resistor - Resistance: 0Ω - Manufacturer Part Number: RC0805JR-070RL - Datasheet URL: https://www.yageo.com/upload/media/product/productsearch/datasheet/rchip/PYu-RC_Group_51_RoHS_L_12.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### TP_5V — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role Details: Test pad for +5V net - Role: Test Point **Pins:** - P1 ### TP_FB — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role Details: Test pad for FB_DIV2 net - Role: Test Point **Pins:** - P1 ### TP_GND — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role: Test Point - Role Details: Test pad for GNDPWR net **Pins:** - P1 ### TP_IN — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role Details: Test pad for SIG_IN net - Role: Test Point **Pins:** - P1 ### TP_OUT — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role: Test Point - Role Details: Test pad for OUT_2X net **Pins:** - P1 ### TP_VCO — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role: Test Point - Role Details: Test pad for VCO_IN net **Pins:** - P1 ### TP_VIN — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point~b9.md) - Role: Test Point - Role Details: Test pad for VIN (input) net SIG_IN **Pins:** - P1 ### U1 — [MC14046BDWG](https://www.flux.ai/lcsc/mc14046bdwg~k46.md) - LCSC Part Number: C906781 - Role: Integrated Circuit - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) - Role Details: PLL/VCO core - Package or Case Code: SOIC-16_L10.3-W7.8-P1.27-LS10.5-BL - Manufacturer Part Number: MC14046BDWG - Part Type: Clock Generators, PLLs, Frequency Synthesizers **Pins:** - C1A [pin 6] - C1B [pin 7] - INH [pin 5] - LD [pin 1] - PC1out [pin 2] - PC2out [pin 13] - PCAin [pin 14] - PCBin [pin 3] - R1 [pin 11] - R2 [pin 12] - SFout [pin 10] - VCOin [pin 9] - VCOout [pin 4] - VDD [pin 16] - VSS [pin 8] - ZENER [pin 15] ### U1 — [MC14046BDWG](https://www.flux.ai/lcsc/mc14046bdwg~k46.md) - Part Type: Clock Generators, PLLs, Frequency Synthesizers - Role: Integrated Circuit - Manufacturer Part Number: MC14046BDWG - Package or Case Code: SOIC-16_L10.3-W7.8-P1.27-LS10.5-BL - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part - Role Details: PLL/VCO core - LCSC Part Number: C906781 **Pins:** - C1A [pin 6] - C1B [pin 7] - INH [pin 5] - LD [pin 1] - PC1out [pin 2] - PC2out [pin 13] - PCAin [pin 14] - PCBin [pin 3] - R1 [pin 11] - R2 [pin 12] - SFout [pin 10] - VCOin [pin 9] - VCOout [pin 4] - VDD [pin 16] - VSS [pin 8] - ZENER [pin 15] ### U2 — [74HC74D,652](https://www.flux.ai/lcsc/74hc74dc652~y9xg.md) - Product Info Url: https://lcsc.com/product-detail/presales_Nexperia-74HC74D-652_C547150.html - Manufacturer Part Number: 74HC74D,652 - Part Type: Flip Flops - Role: Integrated Circuit - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Nexperia-74HC74D-652_C547150.pdf - Manufacturer Name: Nexperia(安世) - LCSC Part Number: C547150 - Package or Case Code: SOP-14_L8.6-W3.9-P1.27-LS6.0-BL - Role Details: ÷2 feedback - JLCPCB Part Class: Extended Part **Pins:** - #1Q [pin 6] - #1RD [pin 1] - #1SD [pin 4] - #2Q [pin 8] - #2RD [pin 13] - #2SD [pin 10] - 1CP [pin 3] - 1D [pin 2] - 1Q [pin 5] - 2CP [pin 11] - 2D [pin 12] - 2Q [pin 9] - GND [pin 7] - VCC [pin 14] ### U2 — [74HC74D,652](https://www.flux.ai/lcsc/74hc74dc652~y9xg.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Nexperia-74HC74D-652_C547150.pdf - Part Type: Flip Flops - Manufacturer Part Number: 74HC74D,652 - LCSC Part Number: C547150 - Manufacturer Name: Nexperia(安世) - Product Info Url: https://lcsc.com/product-detail/presales_Nexperia-74HC74D-652_C547150.html - Role Details: ÷2 feedback - Package or Case Code: SOP-14_L8.6-W3.9-P1.27-LS6.0-BL - Role: Integrated Circuit - JLCPCB Part Class: Extended Part **Pins:** - #1Q [pin 6] - #1RD [pin 1] - #1SD [pin 4] - #2Q [pin 8] - #2RD [pin 13] - #2SD [pin 10] - 1CP [pin 3] - 1D [pin 2] - 1Q [pin 5] - 2CP [pin 11] - 2D [pin 12] - 2Q [pin 9] - GND [pin 7] - VCC [pin 14] ### U3 — [SN74AC14DR](https://www.flux.ai/lcsc/sn74ac14dr~zxbx.md) - Package or Case Code: SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL - JLCPCB Part Class: Extended Part - Manufacturer Part Number: SN74AC14DR - LCSC Part Number: C352942 - Manufacturer Name: TI(德州仪器) - Role Details: Schmitt inverter - Role: Integrated Circuit **Pins:** - 1A [pin 1] - 1Y [pin 2] - 2A [pin 3] - 2Y [pin 4] - 3A [pin 5] - 3Y [pin 6] - 4A [pin 9] - 4Y [pin 8] - 5A [pin 11] - 5Y [pin 10] - 6A [pin 13] - 6Y [pin 12] - GND [pin 7] - VCC [pin 14] ### U3 — [SN74AC14DR](https://www.flux.ai/lcsc/sn74ac14dr~zxbx.md) - Manufacturer Name: TI(德州仪器) - Role Details: Schmitt inverter - Manufacturer Part Number: SN74AC14DR - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL - Role: Integrated Circuit - LCSC Part Number: C352942 **Pins:** - 1A [pin 1] - 1Y [pin 2] - 2A [pin 3] - 2Y [pin 4] - 3A [pin 5] - 3Y [pin 6] - 4A [pin 9] - 4Y [pin 8] - 5A [pin 11] - 5Y [pin 10] - 6A [pin 13] - 6Y [pin 12] - GND [pin 7] - VCC [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pretorianguard/freq-doubler~xt](https://www.flux.ai/pretorianguard/freq-doubler~xt).* --- *Generated from [https://www.flux.ai/pretorianguard/freq-doubler~xt](https://www.flux.ai/pretorianguard/freq-doubler~xt)*