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UPC1686GV

Description
900 MHz SILICON MMIC DOWN CONVERTER
File Size186KB,8 Pages
ManufacturerCEL
Websitehttp://www.cel.com/
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UPC1686GV Overview

900 MHz SILICON MMIC DOWN CONVERTER

NEC's 900 MHz SILICON
MMIC DOWN CONVERTER
FEATURES
• WIDE-BAND OPERATION:
DC to 890 MHz
• DOUBLE BALANCED MIXER:
Low Distortion
Low Oscillator Radiation
• BALANCED AMPLIFIER FOR VOLTAGE
CONTROLLED OSCILLATORS:
Up to UHF Frequency
• SINGLE ENDED PUSH-PULL IF AMPLIFIER:
Constant Resistive Impedance
• SWITCHABLE AS MIXER OR IF AMP
• SMALL PACKAGE:
8 Pin SSOP
UPC1686GV
INTERNAL BLOCK DIAGRAM
OSC base
(bypass)
OSC base
(feedback)
OSC collector
(coupling)
1
OSC
8
RF input
2
OSC
Buffer
7
RF input
(bypass)
GND
3
IF Pre IF Main
Amp Amp
6
DESCRIPTION
NEC's UPC1686GV is a silicon monolithic integrated circuit
designed as a wide-band mixer/oscillator/IF amp suitable for
VHF TV/CATV tuners. Device features include: 20 dB gain
from 55 to 890 MHz and an output power of +10 dBm at
saturation. The device is available in an 8 pin SSOP package.
The nominal output impedance of the device is 75 ohms.
Vcc
4
Reg.
Mix
5
IF output
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C, V
CC
= 5 V)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
I
CC
CG
PARAMETERS AND CONDITIONS
Circuit Current, no input signal
Conversion Gain
1
RF = 55 MHz, IF = 44 MHz
RF = 200 MHz, IF = 50 MHz
RF = 440 MHz, IF = 50 MHz
RF = 890 MHz, IF = 50 MHz
Noise Figure
2
at RF = 55 MHz, IF = 44 MHz
RF = 200 MHz, IF = 50 MHz
RF = 440 MHz, IF = 50 MHz
1% Cross modulation
3
at IF = 50 MHz, 75
Open Terminal,
RF = 55 to 470 MHz
Saturated Output Power
4
Oscillator Frequency Stability at V
CC
±
10%
OSC f = 100 to 490 MHz
Oscillation Frequency Drift, OSC f = 100 to 490 MHz
Oscillation Start Voltage
OSC f = 100 to 490 MHz
IF Output
UNITS
mA
dB
dB
dB
dB
dB
dB
dB
dBµ
dBm
kHz
kHz
V
MIN
25
15
15.5
16
UPC1686GV
S08
TYP
38
19
19.5
20
20
11
11
12
94
+10
±100
100
3.0
1.3
1.5
MAX
48
22
22.5
23
14
14
15
TEST
CIRCUIT
Fig. 1
Fig. 1
NF
Fig. 1
CM
P
SAT
f
STB
f
DRIFT
V
OSC
VSWR
Fig. 1
Fig. 1
Fig. 2
Fig. 2
Fig. 2
Fig. 1
Notes:
1. P
RFin
= -40 dBm, P
OSC
= -5 dBm
2. P
OSC
= -5 dBm
3. Undesired = Desired
±
12 MHz, 30% 100 kHz AM S/I Ratio = 46 dB
4. P
RFin
= 0 dBm, P
OSC
= -5 dBm
California Eastern Laboratories

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