BC41B143A-ds-003Pc CSR, BC41B143A-ds-003Pc Datasheet - Page 45

• Manufacturer Part Number: BC41B143A-ds-003Pc
• Description: Blue Core ROM Plug-n-Go
• Manufacturer: CSR

10.1.2 Single-Ended Input (RF_IN)
This is the single-ended RF input from the antenna. The input presents a complex impedance that requires a matching
network between the terminal and the antenna. Starting from the substrate (chip) side, the input can be modelled as
a lossy capacitor with the bond wire to the ball grid represented as a series inductance.
The terminal is DC blocked. The DC level must not exceed (VSS_RADIO -0.3V to VDD_RADIO + 0.3V).
Note:
BC41B143A-ds-003Pc
Both terminals must be externally DC biased to VDD_RADIO
© Cambridge Silicon Radio Limited 2005
Figure 10.2: Circuit RF_IN
Advance Information
R1
6.8Ω
C1
0.68pF
1.5nH
BlueCore
L1
RF_IN
Device Terminal Descriptions
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