发一些CSR，创杰的资料，也赚点RD！此帖资料持续更新！

SCH IS1621N-152 V35

4

3

2

1

AOHPR

AOHPR_IC

AOHPR_IC TP1 C1 10p/50V C2 39p/50V

depend on matching value

ANT1 ANT-MP8

1

D30 SPE0572

R1 152 707 0R NP
R2

C9 1p

L1 2.2n

C4 2p
1 L1 2.2nH R1 BUZZER 0 2 C4

RF-TP2 C3 1 NP-0402 C5 NP-0402 C6 NP-0402 TP3 TP2

TEST POINT
TP7 1 HCI_RXD

*Optional
D

2

NP 1.8n 1.5p

HCI_RXD HCI_TXD
TP4

AOHPL
TP8

1 AOHPL_IC
D

AOHPMS AOHPMS_IC

AOHPMS_IC 1 NP-0402 EAN

2p/50V

1 HCI_TXD

AOHPMS
TP9

1 AOHPMS_IC

D31 SPE0572

C7 10p/50V

C8 39p/50V

C9 1V8 VDD_IO C33 0.1u/16V P2_0 C96 D32 SPE0572 C10 10p/50V C11 69 39p/50V 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 0.1u/16V 1u/16V C95 C13 10p/50V BK_OUT 1p/50V

P2_0
RF path : 1. RF trace is from IS1621N PIN 56 "RTX" to antenna 2. RF trace need to use 50 ohm impedance 3. Components need as close as possible
TP5

1