Texas Instruments

Description

Q1( 2SC9018 ), together with its peripherals B6, C30,31,33,36, R31,32,34,41 constitute the LNA circuit for all SW bands. The LNA is switched off by the LNA_EN 2SC9018 . 42. 1. Q3. TRANSISTOR NPN SOT23. 2N3906. 43. 2. D2 D4. DIODE, SM,ESD,SOT23. BAV99. 44. 3. B4 B5 B6. FERRITE BEAD,SM,0603. 2.5 k/100 M. Q1( 2SC9018 ), together with its peripherals B6, C30,31,33,36, R31,32,34,41, is the LNA circuit for all SW bands. The LNA is switched off by LNA_EN signal in 2SC9018 . R2. 1k. C4. 0.47u. B1. 2.5k/100M. ANT1. C6. 0.47u. R4. 100k. C7. 30p. L2. 270nH. C11. 0.47u. C12. 1n. C13. 0.47u. L1. 220uH. R1. 10k. Y1. 32.768 LM4910MA,SO8. LM4910MA. 39. 2. D2 D4. DIODE,SM,ESD,SOT23. BAV99. 40. 1. Q1. TRANSISTOR NPN SOT23. 2SC9018 . 41. 1. Y1. CRYSTAL. 32.768 kHz.