View UPC2781GR_1148002.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

SI MMIC IQ DEMODULATOR
UPC2781GR
FEATURES
* RF BANDWIDTH: 440 - 520 MHz * IF BANDWIDTH: 0.3 - 20 MHz * ON CHIP 90 PHASE SHIFTER * IQ PHASE AND AMPLITUDE BALANCE Amplitude Balance: 0.5 dB Phase Balance: 2.0 degree * LOW IM3 DISTORTION: 35 dBc Typical * SMALL 20 PIN SSOP PACKAGE * TAPE AND REEL PACKAGE AVAILABLE
INTERNAL BLOCK DIAGRAM
GND(IQ) 1 VCC(IF-I) 2 VAGC 3 GND(RF) 4 RF IN 5 RF IN 6 GND(IQ) 7 VCC(RF) 8 VCC(IF-Q) 9 VCC(PS) 10 90 deg phase shifter
20 I OUT 19 I OUT 18 OSC OUT 17 OSC-B2 16 OSC-C1 15 OSC-C2 14 OSC-B1
DESCRIPTION
The UPC2781GR is a Silicon MMIC IQ demodulator manufactured with the NESAT IIITM silicon bipolar process. The IC consists of an AGC amplifier, double balanced mixers, oscillator, 90 phase shifter, and I&Q output buffer amps. The device was specifically designed for DBS receivers and other digital communication systems. NEC's stringent quality assurance and test procedures ensure the highest reliability and performance.
AGC AMP.
13 GND(PS) 12 Q OUT 11 Q OUT
ELECTRICAL CHARACTERISTICS (TA = 25C, VCC = 5 V, ZL = 1k )
PART NUMBER PACKAGE OUTLINE SYMBOLS ICC fRF fIF CG NF IM3 G GAGC LO-RF LO-IF PO (SAT) VO PARAMETERS AND CONDITIONS Supply Current (no input signal) RF Input Bandwidth (fIF = 10 MHz, fRF > fLO, IQ Phase Balance < 1.5) IF Output Bandwidth (fRF = 480 MHz, PLO = -10 dBm, fRF > fLO, VAGC = 0 V) Conversion Gain (fRF = 480 MHZ, fIF = 10 MHZ, VAGC = 0 V) Noise Figure (fRF = 480 MHZ, fIF = 10 MHZ, PLO = -10 dBm, VAGC = 0 V) 3rd Order Intermodulation Distortion (fRF1 = 480 MHz, fRF2 = 481 MHz, fLO = 470 MHz, PLO = -10 dBm) IQ Phase Balance (fRF = 480 MHZ, fIF = 10 MHZ, PRF = -30 dBm, PLO = -10 dBm) IQ Amplitude Balance (fRF = 480 MHz, fIF = 10 MHZ, PRF = -30 dBm, PLO = -10 dBm, VAGC = 0 V) AGC Control Range (fRF = 480MHZ, PRF = -30dBm, fIF = 10MHZ, PLO = -10dBm, 0 VAGC 5 V) LO to RF Isolation (fLO = 470 MHZ, PLO = -10 dBm, PRF = -30 dBm, VAGC = 0 V) LO to IF Isolation (fLO = 470 MHZ, PLO = -10 dBm, PRF = -30 dBm, VAGC = 0 V) Maximum Output Power (fRF = 480 MHz, fIF = 10 MHZ, PRF = -10 dBm) Output Voltage (fRF = 480 MHZ, fIF = 10 MHZ, PLO = -10 dBm, ZL = 1k ) UNITS mA MHz MHz dB dB dBc deg dB dB dB dB dBm VP-P -2 -0.5 15 20 30 20 0 1.0 MIN 52 440 0.3 50 18 35 +2 +0.5 UPC2781GR S20 (SSOP 20) TYP 70 480 MAX 88 520 20
California Eastern Laboratories
UPC2781GR ABSOLUTE MAXIMUM RATINGS1 (TA = 25C)
SYMBOLS VCC PD TOP TSTG PARAMETERS Supply Voltage Power Dissipation2 Operating Temperature Range Storage Temperature UNITS V mW C C RATINGS 6.0 500 -40 to +75 -55 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOLS VCC TOP PARAMETERS Supply Voltage Operating Temperature UNITS MIN V C 4.75 -40 TYP MAX 5.0 +25 5.25 +75
Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. Mounted on a 50x50x1.6 mm epoxy glass PWB (TA = 75C).
PIN FUNCTIONS
Pin No. 1 Pin Name GND(IQ) Pin Voltage Typ. (V) 0.0 Function and Explanation Ground pin of IF (IQ) block. Equivalent Circuit
2
VCC (IF I)
5.0
Power supply pin of I-output.
3
VAGC
0.0 ~ 5.0
Gain control pin. * VAGC = 0 V : Full gain * VAGC = 5 V : Minimum gain
To next block
3
4
GND(RF)
0.0
Ground pin of RF, Mixer and regulator block.
5
RFIN
2.3
RF input pin. In case of single input, pin 6 should be bypassed with a capacitor.
To next block
5
6
RFIN
2.3
6
Reg
7
GND(IQ)
0.0
Ground pin of IF (IQ) block.
8
VCC (RF)
5.0
Power supply pin of RF, Mixer and regulator block.
9
VCC (IFQ)
5.0
Power supply pin of Q-output.
10
VCC (PS)
5.0
Power supply pin of Phase Shifter block.
UPC2781GR PIN FUNCTIONS
Pin No. 11 Pin Name Qout Pin Voltage Typ. (V) 2.4 Function and Explanation Q-IF output pin. Pin 11 and pin 12 are balanced outputs. Equivalent Circuit
12
Qout
2.4
11 12
13 14
GND (IFQ) OSC-B1
0.0 3.0
Ground pin of Phase Shifter block. Oscillator signal input pin. In case of single input, pin 17 should be bypassed with a capacitor.
15
OSC-C2
4.5
16
15
17
16
OSC-C1
4.5
14
17
OSC-B2
3.0
Oscillator signal input pin. In case of single input, pin 14 should be bypassed with a capacitor.
18
OSCOUT
3.8
Oscillator output.
19
IOUT
2.4
I-IF output pin. Pin 19 and pin 20 are balanced outputs.
20
20
Iout
2.4
19
UPC2781GR TEST CIRCUIT
0.1F VCC
0.1F 1 2 20 0.1F 19 18 1000pF 4 17 90 deg phase shifter AGC AMP. 16 15 14 13
1k I OUT 1k
VAGC
3
1000pF
OSC OUT
RF IN
1000pF
5 1000pF 6 7 8 9 10
1000pF 1k
OSC IN
12 11
0.1F 0.1F
1k Q OUT
UPC2781GR APPLICATION CIRCUIT
0.1F VCC 2 VAGC 3 4 RF IN 1000pF 6 7 8 9 10 AGC AMP. 5 90 deg phase shifter 19 18 17 16 84nH 15 14 13 12 11 1000pF 1000pF Q OUT Q OUT 2pF or SAW Resonator 4-11pF 1000pF 2pF 1000pF 1 20 1000pF I OUT I OUT
OUTLINE DIMENSIONS (Units in mm)
PACKAGE OUTLINE SSOP 20
20 11
N
1
7.00 MAX
10 6.40.2 4.40.1 1.00.1
1.5 0.1 1.8 MAX +0.10 0.22 - 0.05 +0.10 0.15- 0.05
0.50.2 0.65 0.575 MAX
Lead Material: Alloy 42 Lead Plating: Lead Tin Alloy
ORDERING INFORMATION
PART NUMBER UPC2781GR-E1 Note: Embossed Tape, 12 mm wide. QUANTITY 2500/Reel
EXCLUSIVE NORTH AMERICAN AGENT FOR
RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES * Headquarters * 4590 Patrick Henry Drive * Santa Clara, CA 95054-1817 * (408) 988-3500 * Telex 34-6393 * FAX (408) 988-0279 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) * Internet: http://WWW.CEL.COM PRINTED IN USA ON RECYCLED PAPER -6/97 DATA SUBJECT TO CHANGE WITHOUT NOTICE

▲Up To Search▲

Price & Availability of UPC2781GR

	To Download UPC2781GR Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .