SILICON MMIC
L BAND DOWNCONVERTER
UPC2721GV
FEATURES
INTERNAL BLOCK DIAGRAM
• WIDE BAND OPERATION UP TO 2.5 GHz
• INTERNAL BALANCED AMPLIFIER FOR VCO
• SINGLE ENDED PUSH-PULL IF AMPLIFIER
OSC base
(bypass)
RFIN1
1
2
3
8
• 5 V SINGLE SUPPLY VOLTAGE:
ICC = 30 to 35 mA
OSC
• LOW CURRENT DISSIPATION
OSC base
(feedback)
RFIN2
(bypass)
7
6
• TAPE AND REEL PACKAGING OPTION AVAILABLE
OSC
BUFFER
DESCRIPTION
OSC collector
(coupling)
GND
The UPC2721GV is a L-Band frequency converter manufac-
tured using the NESAT III MMIC process. This product con-
sists of a double balanced mixer, local oscillator, IF preampli-
fier, and constant voltage generator. It is available in a 8 pin
SSOP package. This device is designed for low cost cellular
radios, GPS receivers, PCS, and UHF TV tuner applications.
IF
AMP
VCC
4
IFOUT
5
REG.
MIX
The UPC2721 output amplifier is a single-end push-pull ampli-
fier designed for operation into a 50 Ω load.
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5 V, PLO = -10 dBm)
PART NUMBER
PACKAGE OUTLINE
UPC2721GV
S08
SYMBOLS
PARAMETERS AND CONDITIONS
Circuit Current
UNITS
MIN
29
TYP
MAX
45.5
2.0
ICC
fRF
fIF
mA
GHz
MHz
38
RF Frequency Range
IF Frequency Range
0.9
50
600
24
CG
Conversion Gain2
fRF = 900 to 2000MHz,fIF = 50 to 400 MHz
fIF = 400 to 400 MHz
dB
dB
dB
18
21
22
19.5
PSAT
NF
Saturated Output Power2
fRF = 800 to 2000 MHz, fIF = 400 MHz
dBm
dBm
2
7
7
Noise FigurefRF = 900 MHz, fIF = 400 MHz,
fRF = 2.0 GHz, fIF = 400 MHz
dB
dB
9
11
13
15
IP3
SSB Third Order Intercept Point, f1 = 900 MHz, f2 = 938 MHz
f1 = 2.0 GHz, f2 = 2.038 GHz
dBm
dBm
+10
+8.5
Notes:
1. Mounted on a 50 x 50 x 1.6 mm thick glass epoxy board with double sided copper.
2. Minimum and maximum specifications for CG and PSAT are measured at fRF = 900 MHz and 2.0 GHz and at fIF = 402.8 MHz.
California Eastern Laboratories