3V, 400 MHz SILICON MMIC
FREQUENCY CONVERTER
UPC2753GR
INTERNAL BLOCK DIAGRAM
FEATURES
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•
•
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3 V SINGLE SUPPLY VOLTAGE
LOW CURRENT DISSIPATION: ICC = 7 mA TYP
HIGH CONVERSION GAIN: 80 dB TYP
OUTPUT LIMITING: 450 mV p-p
N/C
N/C
GND
20
19
1
2
3
4
5
6
7
GND
WIDE BAND OPERATION UP TO 500 MHz
AGC: 19 dB Typical
LO Input
LO Bypass
VAGC
RF Input
RF Bypass
Mixer IF
IF Bypass
IF Input
Bypass
GND
18
17
16
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DESCRIPTION AND APPLICATIONS
VCC (DC)
VCC (IF)
IF OUT
GND
15
14
The UPC2753GR is a frequency converter manufactured
with the NESAT III process. This product consists of an RF
input amplifier, Gilbert cell mixer, LO input buffer, IF amplifier
with AGC, external filter port, and IF output limiting amplifier.
This device was specifically designed for low cost GPS
recievers, mobile radios, and PCN applications.
8
9
13
12
11
NEC's stringent quality assurance and test procedures as-
sure the highest reliability and performance.
GND
GND
10
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 3.0 V, ZL = ZS = 50 Ω)
PART NUMBER
UPC2753GR
PACKAGE OUTLINE
PARAMETERS AND CONDITIONS
Total Circuit Current4
S20
TYP
6.9
SYMBOLS
UNITS
mA
MIN
4.7
MAX
ICC
8.5
RFu
IFu
CG
NF
RF Input Frequency Range (3 dB BW)1
fIF = 4 MHz, VAGC = GND
MHz
MHz
dB
400
20
IF Output Frequency Range (3dB BW)
fRF = 200 MHz, VAGC = GND
Conversion Gain2
fRF = 200 MHz, fIF = 4 MHz, VAGC = GND
Noise Figure2
35
38
42
fRF = 200 MHz, fIF = 20 MHz, VAGC = GND
dB
dB
12
14
15
RLIN
ISOL(LO-RF)
ISOL(LO-IF)
GCR
Input Return Loss fRF ≤400 MHz
LO to RF Isolation3, fLO = 1 to 400 MHz
LO to IF Isolation3, fLO = 1 to 400 MHz
dBc
dBc
-52
-15
Gain Control
fRF = 200 MHz, fIF = 4 MHz, VAGC = 1.2 - 2.4 V
dB
15
19
fu
IF Amplifier Frequency Range1 (3 dB BW)
(The gain is -3 dB down from the gain at 4 MHz)
MHz
DC
20
GSIF
VOUT
IF Amplifier Small Signal Gain
f = 4 MHz
dB
38
41
45
Output Voltage (ZL = 2 KΩ // 2 pF)
mV p-p
350
450
550
Notes:
4. Downconverter and IF amp may be operated separately.
Typical ICC for down converter is 5.5 mA (pin 15). Typical ICC for
IF amp is 1.4 mA (pin 14).
1. Conversion Gain is -3 dB from Conversion Gain For fRF = 50 MHz.
2. Downconverter and AGC amplifier only.
3. PLO = -10 dBm.
California Eastern Laboratories