TECOM A335W User Manual Download Page 8

3.2 RF Design Specifications 
 

Transmitter 

 

 

 

 

 

   

Min 

Typ Max

Bluetooth 

Spec 

Unit 

 

Maximum RF transmit power 

13 

15 

16    +4 ~ +20

dBm   

RF Power control range 

>20

≧16 

dB 

 

20dB bandwidth for modulated 
carrier 

715

1000 

kHz 

 

Adjacent channel transmit 
power F= F0  ±2MHz 

-28

 -20 

dBm   

Adjacent channel transmit 
power F= F0  ±3MHz 

-35

 -40 

dBm   

Adjacent channel transmit 
power F  >  F0  ±3MHz 

-43

 -40 

dBm   

Δf1avg Maximum Modulation 

165

140<Δ

f1avg<175

kHz 

 

Δf2avg Minimum Modulation 

148

 115 

kHz 

 

Δf2avg /  Δf1avg 

0.9

 0.80 

 

Initial carrier frequency 
tolerance 

 15

±75 

kHz 

 

Drift Rate 

 15

 20 

kHz/50

μs 

 

Drift (single slot packet) 

 15

 25 

kHz 

 

Drift (five slot packet) 

 15

 40 

kHz 

 

2nd Harmonic content 

 -33

 -30 

dBm   

3rd Harmonic content 

 -33

 -30 

dBm   

 

 

 

 

 

 

 

Receiver 

 

 

 

 

 

   

Frequency Min

Typ

Max 

Bluetooth 

Spec 

Unit 

2.402 

GHz 

<-85

-88

>-90 

2.441 

GHz 

<-85

-88

>-90 

Sensitivity at 0.1% BER for all 

packet type 

2.480 

GHz 

<-85

-88

>-90 

 -70 

dBm 

Maximum recived signal at 0.1% BER 

 -20

 -20 

dBm 

 
 
 
 
 

 

Summary of Contents for A335W

Page 1: ...A335W USER MANUAL 東訊股份有限公司 Tecom Co Ltd 新竹市科學園區研發二路 23 號 23 R D Road 2 Science Based Industrial Park Hsin Chu Taiwan R O C ...

Page 2: ...gles with BT functions and additional BT SW This PC BT implementation compared to built in BT in telephone handsets is much more complex normally supporting many more profiles and more focused on data use instead of voice services even if those solutions are capable supporting e g headset or head free profile 1 1 3Technology Problem For BT support in a PC environment a BT Host protocol stack SW ne...

Page 3: ...ements This section is based on the marketing product definition sheet Details of how functions shall operate must be presented in chapter 3 For details please refer to chapter 3 functional requirements and 4 operational requirements Functional Physical Characteristics Connector USB Size App 70mm L x 18mm W x 8mm H Weight 10 g Mechanical features Button key Pairing button Surface treatment No pain...

Page 4: ... Next power up try to reconnect to the last connected device for 1 min Downloadable software Software firmware updates and upgrades possible via the USB port Performance characteristics Electrical RF RF Bluetoth class 1 device Power Management HS link management optimized maximum headset standby talk time Table 2 Characteristics Operational Environmental targets Operating temperature 10 60 Storage...

Page 5: ...2 1 Model name Product Bluetooth PnP Audio USB Class1 Dongle Leopard Product ID 261 251531R 2 2 Firmware Leopard FW release 0 08 2 3 Hardware 2 3 1 Block Diagram 2 3 2 PCB Version PN 613 022651R Ver A ...

Page 6: ...3 1 Physical Dimension and Component Placement With USB connector 51 mm x 14 05 mm W O USB connector 35 mm x 14 05 mm ...

Page 7: ......

Page 8: ... F F0 3MHz 43 40 dBm Δf1avg Maximum Modulation 165 140 Δ f1avg 175 kHz Δf2avg Minimum Modulation 148 115 kHz Δf2avg Δf1avg 0 9 0 80 Initial carrier frequency tolerance 15 75 kHz Drift Rate 15 20 kHz 50 μs Drift single slot packet 15 25 kHz Drift five slot packet 15 40 kHz 2nd Harmonic content 33 30 dBm 3rd Harmonic content 33 30 dBm Receiver Frequency Min Typ Max Bluetooth Spec Unit 2 402 GHz 85 8...

Page 9: ... CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THATMAY CAUSE UNDESIRED OPERATION NOTE THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER S AUTHORITY TO OPERATE THE EQUIPMENT ...

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