MAX2420, MAX2421, MAX2422, MAX2460, MAX2463 900MHz Image-Reject Transceivers

The MAX2420 MAX2421 MAX2422 MAX2460 MAX2463 are highly integrated front-end ICs that provide the lowest cost solution for cordless phones and ISM-band Radios operating in the 900MHz band. All devices incorporate transmit and receive image-reject mixers to reduce Filter cost. They operate with a +2.7V to +4.8V power supply, allowing direct connection to a three-cell battery stack.
The receive path incorporates an adjustable-gain LNA and an image-reject downconverter with 35dB image suppression. These features yield excellent combined downconverter noise figure (4dB) and high linearity with an input third-order intercept point (IP3) of up to +2dBm.
The transmitter consists of a variable-gain IF Amplifier with more than 35dB control range, an image-reject upconverter with 35dB image rejection, and a power- Amplifier (PA) predriver that produces up to +2dBm (in some applications serving as the final power stage).
All devices include an on-chip local Oscillator (LO), requiring only an external varactor-tuned LC tank for operation. The integrated divide-by-64/65 dual-modulus prescaler CAN also be set to a direct mode, in which it acts as an LO Buffer Amplifier Four separate power-down inputs CAN be used for system Power Management including a 0.5A shutdown mode. These parts are compatible with commonly used modulation schemes such as FSK, BPSK, and QPSK, as well as frequency hopping and direct sequence spread-spectrum systems. All devices come in a 28-pin SSOP package.
For applications using direct VCO or BPSK transmit modulation, as well as receive image rejection, consult the MAX2424 MAX2426 data sheet. For receive-only devices, refer to the MAX2440 MAX2441 MAX2442 data sheet.
By Maxim Integrated Products
MAX2422 's PackagesMAX2422 's pdf datasheet

MAX2422 Pinout, Pinouts
MAX2422 pinout,Pin out
This is one package pinout of MAX2422,If you need more pinouts please download MAX2422's pdf datasheet.

MAX2422 Application circuits
MAX2422 circuits
This is one application circuit of MAX2422,If you need more circuits,please download MAX2422's pdf datasheet.

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