MICRF505 Summary - PowerPoint PPT Presentation
Title:
MICRF505 Summary
Description:
Title: MICRF505 Product Presentation Author: Stein Eskerud Last modified by: Ivan Mitic Created Date: 6/17/1995 11:31:02 PM Document presentation format – PowerPoint PPT presentation
Number of Views:57
Avg rating:3.0/5.0
Title: MICRF505 Summary
1
MICRF505 Summary
- Smaller
- Very High Level of Integration
- 5x5mm MLF-32 Package
- Easier
- Fewer External Components To Select
- Less critical layout of PCB
- Better
- Excellent Sensitivity and Transmit Power
- Frequency Hopping further enhances RF link
2
Small Package, High Integration, Low BOM
BOM BOM BOM
Part QTY Price (USD)
C 11 0.11
L 1 0.25
R 3 0.01
X-tal 1 0.35
Total 0.72
Prices in 10k qty Prices in 10k qty Prices in 10k qty
3
MICRF505 Typical Application
Loop Filter (User Configurable To Accommodate
Wide Range of Data-Rates)
Crystal (Internally Trimmed By MICRF505)
Output Filter (Only RF interfacing)
Supply Bypass
RSSI Filter (Only Required if RSSI Output Using)
4
MICRF505 I/O
Antenna Pin Internally Matched To 50Ohms Using
On-Board Inductors
3-Wire SPI To Configure MICRF505
Data I/O With Clock
Lock Detect and RSSI Output
5
MICRF505 - Block diagram
Integrated Filters
Clock/Data Recovery
T/R Switch
On-Board Crystal Tuning
6
MICRF505 Key Specifications
Parameter Typ Unit
Frequency 915/868 MHz
Output Power lt10 dBm
Data rate lt200 kbps
Sensitivity 1 -112 dBm
TX Current 2 28 mA
RX Current 13 mA
Power down lt1 uA
notes 1 2400bps 210dBm, 2.5V Supply voltage
7
MICRF505 Implementation Attributes
- MLF32 PackageSize 5x5mm
- Low cost crystal, 30-50ppm
- 11 capasitors, 3 resistors and 1 inductor
- Can be implemented using simple two layer PCB
- Minimum PCB size using 0402 components ½ x ½
inch
- How Do We Do It?
- Fully integrated VCO
- Integrated spiral inductors
- Integrated varactors
- Built-in T/R Switch
- No mechanical filters
- On chip 50 ohm antenna port
8
MICRF505 Features summary
- Digital bit synchronizer
- RSSI (signal strength)
- Lock detector
- RX and TX power management
- Power down function (lt1uA)
- Received frequency error estimator
- Reference crystal tuning capabilities
- Baseband shaping
- Three wire SPI interface
- Register readback function
Recommended
CrystalGraphics Presentations
