參數(shù)資料
型號(hào)： UPC2768GR
廠商： NEC Corp.
英文描述： 3V, 450 MHz SILICON MMIC FREQUENCY CONVERTER
中文描述： 3V的，450兆赫硅單片變頻器
文件頁(yè)數(shù)： 1/4頁(yè)
文件大小： 51K
代理商： UPC2768GR
3V, 450 MHz SILICON MMIC
FREQUENCY CONVERTER
UPC2768GR
FEATURES
LOW POWER DISSIPATION
V
CC
= 3 V, Icc = 7 mA
HIGH CONVERSION GAIN
80 dB
ON CHIP OSCILLATOR OR LO BUFFER:
DC - 450 MHz
OUTPUT LIMITING
450 mVp-p
BROADBAND OPERATION
DC - 450 MHz
POWER SAVE FUNCTION
I
CC
(ps) = <100
μ
A
INTERNAL BLOCK DIAGRAM
ELECTRICAL CHARACTERISTICS
(V
CC
= 3.0 V, T
A
= 25
°
C, Z
L
= Z
S
= 50
, V
ENABLE
⊕
2.5 V unless otherwise specified)
DESCRIPTION
The UPC2768GR is a frequency converter manufactured with
the NESAT III process. This product consists of an RF input
amplifier, Gilbert cell mixer, Local Oscillator or LO buffer, IF
amplifier, external filter port, and IF output limiting amplifier.
The on-chip local oscillator only requires an external tank
circuit. The power save feature enables users to minimize
overall current consumption when dormant. This device was
specifically designed for low-cost second IF receivers, key-
less entry applications, security systems, GPS, and other low
power Part 15 mobile radios.
PART NUMBER
PACKAGE OUTLINE
PARAMETERS AND CONDITIONS
Circuit Current (V
ENABLE
≥
2.5 V)
4
(V
ENABLE
≤
0.5 V)
RF and LO Input Frequency Range (3 dB BW)
1
, f
IF
= 10 MHz
Conversion Gain
2
, f
RF
= 433 MHz, f
IF
= 25 MHz
Noise Figure
2
, f
RF
= 450 MHz, f
IF
= 10 MHz
LO to RF Leakage
3
, f
LO
= 1 to 450 MHz
LO to IF Leakage
3
, f
LO
= 1 to 450 MHz
IF Amplifier Small Signal Gain f
IF
= 10.7 MHz
f
IF
= 25.0 MHz
Limiting Output Voltage, Z
L
= 2K
, f
IF
= 10 MHz
Saturated Output Power
UPC2768GR
S20 (SSOP 20)
TYP
7
SYMBOLS
I
CC
UNITS
mA
μ
A
MHz
dB
dB
dBm
dBm
dB
dB
mVp-p
dBm
MIN
MAX
100
450
40
f
RF
,f
LO
CG
NF
Leak
LO-RF
Leak
LO-IF
G
S
DC
33
36
12
-62
-25
44
42
450
-20
40
38
47
45
V
OUT
P
SAT
4. Down converter and IF amp may be operated separately.
Typical I
CC
for down converter is 5.5 mA (pin 15). Typical I
CC
for IF amp is 1.4 mA (pin 14).
Notes:
1. Max freq. range is -3 dB from conversion gain for R
F
= 50 MHz
2. Down converter only (RF
IN
to mixer IF
OUT
).
3. P
LO
= -10 dBm external, or using internal LO.
I
D
California Eastern Laboratories
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
S
P/
GND
GND
RF INPUT
RF BYPASS
MIXER IF OUT
IF BYPASS
IF INPUT
BYPASS
N/C
GND
GND
GND
LO
1
/VCO
1
LO
2
/VCO
2
VENABLE
V
CC
(D/C)
V
CC
(IF)
IF OUPUT
N/C
GND
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