15. PCB Photo Source: Techinsights & iFixit
Model A1533
Model A1530
Skyworks
SKY77355
AVAGO
A7900720
TriQuint
TQM6M6224
Skyworks
SKY77810
AVAGO
A7900
Different model (different
band support) has different
PA design.
44. Manufacturer
Device
Function
339S0213
(Broadcom BCM43241)
Broadcom BCM43241
‧ Dual‐band 2.4 GHz and 5 GHz IEEE 802.11 a/b/g/n Wi‐Fi connectivity
‧ 2x2 multiple input/multiple output (MIMO) dual‐band combo chip
‧ Single‐stream IEEE 802.11n support for 20 MHz and 40 MHz channels provides PHY
layer rates up to 300 Mbps for typical upper‐layer throughput in excess of 200 Mbps
‧ Supports the IEEE 802.11n STBC (space‐time block coding) and LDPC (low‐density
parity check) options for improved range and power efficiency
‧ Complies with Bluetooth Core Specification Version 4.0 + HS with provisions for
supporting future specifications
‧Bluetooth Class 1 or Class 2 transmitter operation
MDM9615M
Baseband Processor
‧Rel 9 LTE TDD/FDD Cat 3(100/50Mbps)
‧Rel 9 DCHSPA+(42/5.76Mbps)
‧TD‐SCDMA(4.2/2.2Mbps)
‧QICE
‧Integrated Memory
WTR1605L
Multi‐band plus 700/1500/2600/B41 GPS+Glonas
TQF6514
RF Power Amplifier/Duplexer Module
SKY77575‐13
RF Power Amplifier/Duplexer Module
SKY77493‐19
RF Power Amplifier/Duplexer Module
SKY77494‐22
RF Power Amplifier/Duplexer Module
SKY73614
RF Power Amplifier/Duplexer Module
A7920720
RF Power Amplifier/Duplexer Module
E50
filter bank
AWH
switch/filter module
▼Radio Frequency
USI
For 4G LTE model
Qualcomm
TriQuint
Skyworks
Avago
Murata
47. iPad Air
▼Radio Frequency
WiFi/BT
‧ Broadcom BCM4334
‧ Murata & USI module
Baseband Processor
‧Qualcomm MDM9215M
‧Qualcomm WTR1605L
PA Chips
‧ Avago
‧ Skyworks
‧ TriQuint
▼PMIC
PMIC for AP
‧ Dialog Semiconductor
PMIC for BP Processor
‧ Qualcomm PM8018
▼Audio
Audio Codec
Class D audio amplifier
iPad mini with Retina Display