UPC3205GR
UPC3205GR is IQ DEMODULATOR FOR DIGITAL VIDEO/DATA RECEIVER manufactured by NEC.
DESCRIPTION
The µPC3205GR is Silicon monolithic IC designed for use as IQ demodulator in digital munication systems. This IC consists of AGC amplifier, dual balanced mixers (DBM), oscillator, quadrature phase shifter and I & Q output buffer amplifiers. The package is 20-pin SSOP (shrink small outline package) suitable for high-density surface mount.
FEATURES
- On chip quadrature (90°) phase shifter
- IQ phase and amplitude balance
- Low distortion
- Supply Voltage Amplitude Balance : Phase Balance IM3 VCC : : : ±0.5 d B ±2.0 degree 56 d Bc (@0.708 VP-P/tone) 5V
- Packaged in 20-pin SSOP suitable for high-density surface mount
ORDERING INFORMATION
Part Number Package 20-pin plastic SSOP (225 mil) Supplying Form Embossed tape 12 mm wide. Pin 1 indicates pull-out direction of tape. Q’ty 2.5 k/reel
µPC3205GR-E1
For evaluation sample order, please contact your local NEC office. (Part number for sample order: µPC3205GR)
Caution electro-static sensitive device
The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability and additional information.
Document No. P13541EJ3V0DS00 (3rd edition) Date Published October 1999 N CP(K) Printed in Japan
The mark shows major revised points.
©
1998, 1999
µPC3205GR
INTERNAL BLOCK DIAGRAM AND PIN CONFIGURATION (Top View)
VCC (I) 1 GND (I) VAGC GND (IF) 2 3 4 0° 90 deg phase shifter 90° OSC 14 OSC-C2 13 GND (PS) 12 GND (PS) LPF VCC (Q) 10 11 Q OUT MIXER LPF 19 GND (PS) 18 VCC (PS) 17 OSC-C1 16 OSC-B2 15 OSC-B1 20 I OUT
IF IN 5 IF IN 6 GND (IF) AGC IF 7 Amplifier Amplifier
VCC (IF) 8 GND (Q) 9
Data Sheet P13541EJ3V0DS00
µPC3205GR
PIN FUNCTIONS
Pin No. 1 Pin Name VCC(I) Pin Voltage TYP. (V) 5.0
Function and Explanation Supply voltage pin.
Equivalent Circuit
GND(I)
Ground pin.
VAGC
0 to 5
Gain control pin. VAGC = 0...