MICRF506YML

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Series Information for MICRF506YML - Microchip Technology

Features

  • feature
    Baseband shaping
  • feature
    Digital bit synchronizer
  • feature
    Frequency error estimator
  • feature
    Power down function
  • feature
    RX and TX power management
  • feature
    Received signal strength indicator (RSSI)
  • feature
    Reference crystal tuning capabilities
  • feature
    Three-wire programmable serial interface

Description

410/450MHZ ITRANSCEIVER SMD MLF32
The MICRF506 is a true single-chip, frequency shift keying (FSK) transceiver intended for use in half-duplex, bidirectional RF links. The multi-channeled FSK transceiver is intended for UHF radio equipment in compliance with the European Telecommunication Standard Institute (ETSI) specification, EN300 220. The transmitter consists of a PLL frequency synthesizer and power amplifier. The frequency synthesizer consists of a voltage-controlled oscillator (VCO), a crystal oscillator, dual modulus prescaler, programmable frequency dividers, and a phase-detector. The loop-filter is external for flexibility and can be a simple passive circuit. The output power of the power amplifier can be programmed to seven levels. A lock-detect circuit detects when the PLL is in lock. In receive mode, the PLL synthesizer generates the local oscillator (LO) signal. The N, M, and A values that give the LO frequency are stored in the N0, M0, and A0 registers. The receiver is a zero intermediate frequency (IF) type which makes channel filtering possible with low-power, integrated low-pass filters. The receiver consists of a low noise amplifier (LNA) that drives a quadrature mix pair. The mixer outputs feed two identical signal channels in phase quadrature. Each channel includes a pre-amplifier, a third order Sallen-Key RC low-pass filter that protects the following switched-capacitor filter from strong adjacent channel signals, and a limiter. The main channel filter is a switched-capacitor implementation of a six-pole elliptic low pass filter. The cut-off frequency of the Sallen-Key RC filter can be programmed to four different frequencies: 100kHz, 150kHz, 230kHz, and 340kHz. The I and Q channel outputs are demodulated and produce a digital data output. The demodulator detects the relative phase of the I and the Q channel signal. If the I channel signal lags behind the Q channel, the FSK tone frequency is above the LO frequency (data '1'). If the I channel leads the Q channel, the FSK tone is below the LO frequency (data '0'). The output of the receiver is available on the DataIXO pin. A receive signal strength indicator (RSSI) circuit indicates the received signal level. All support documentation can be found on Micrel’s web site at www.micrel.com. RadioWire® Features - True single chip transceiver - Digital bit synchronizer - Received signal strength indicator (RSSI) - RX and TX power management - Power down function - Reference crystal tuning capabilities - Frequency error estimator - Baseband shaping - Three-wire programmable serial interface - Register read back function

Specifications

Frequency Min:
410MHz
Frequency Max:
450MHz
RF / IF Modulation:
FSK
Data Rate:
200Kbaud
Receiving Current:
12mA
RF IC Case Style:
MLF
No. of Pins:
32Pins
Supply Voltage Min:
2V
Supply Voltage Max:
2.5V
Transmitting Current:
21.5mA
Output Power (dBm):
11dBm
Sensitivity dBm:
-97dBm
RF Transceiver Applications:
Remote Control Systems Remote Metering Telemetry Wireless Controllers Modems & Security Systems
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (15-Jan-2018)
3rd Order Intercept Point:
-8dBm
Base Number:
506
Frequency Range:
410MHz to 450MHz
Modulation Type:
FSK
Operating Temperature Range:
-40°C to +85°C
Output Power:
11dBm
Sensitivity:
-113dBm
Supply Voltage Range:
2V to 2.5V
Termination Type:
Surface Mount Device