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STD Variable gain amplifier with PIN attenuator
Variable gain amplifier with PIN attenuator
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2023-09-18 10:08:50
Creation time：
2023-07-11 14:18:29
Description
Description
Variable gain amplifier for HF frequencies using MMICs BGA 2866 and pin diode attenuator
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | description | |
|---|---|---|---|---|---|---|
| 1 | 47nF | C1,C2,C3,C4,C5,C9,C10 | C0805 | 7 | CL21B473KBCNNNC | |
| 2 | 10nF | C6,C8 | C0805 | 2 | CL21B103KBANNNC | |
| 3 | 100n | C7,C76 | CAPACITOR_SMD0805 | 2 | CAPACITOR_0805 | |
| 4 | 330n | C80 | CAPACITOR_SMD0805 | 1 | CAPACITOR_0805 | |
| 5 | 100nF | C81 | C0805 | 1 | CL21B104KCFNNNE | |
| 6 | BAP70Q | D1 | SOT753 | 1 | BAP70Q | |
| 7 | LL4148 | D2 | LL-34_L3.5-W1.5-RD | 1 | LL4148 | |
| 8 | Header 3x2.54 | P2 | HDR-3X1/2.54 | 1 | Header-Male-2.54_1x3 | |
| 9 | 1.8kΩ | R1,R2 | R0805 | 2 | 0805W8F1801T5E | |
| 10 | 1kΩ | R3,R6 | R0805 | 2 | 0805W8F1001T5E | |
| 11 | 910Ω | R4,R5 | R0805 | 2 | 0805W8J0911T5E | |
| 12 | HJ-SMA275 | RF1,RF2 | SMA-SMD_BWSMA-KE-P001 | 2 | HJ-SMA275 | |
| 13 | BWSMA-KE-Z001_C9900014591 | U1,U2 | SMA-TH_BWSMA-KE-Z001 | 2 | BWSMA-KE-Z001_C9900014591 | |
| 14 | BGA2866 | U3,U4 | SOT-363_SC-70-6 | 2 | RF_Amplifier_BGA2866 | |
| 15 | XH-2.54-3P | U25 | LAND-XH-2.54-3P | 1 | XH-2.54-3P | |
| 16 | 78L05_C5337207 | U26 | SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR | 1 | 78L05_C5337207 | https://atta.szlcsc.com/upload/public/pdf/source/20221219/40D1FBB75F7B35407CA3A25C43213B69.pdf |
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