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UPC1687GV View Datasheet(PDF) - California Eastern Laboratories.

Part Name
Description
View to exact match
UPC1687GV
CEL
California Eastern Laboratories. CEL
UPC1687GV Datasheet PDF : 5 Pages
1 2 3 4 5
TYPICAL PERFORMANCE CURVES (TA = 25°C)
CIRCUIT CURRENT vs.
SUPPLY VOLTAGE
50
40
30
20
10
0
1
2
3
4
5
6
Supply Voltage, VCC (V)
UPC1687GV
OUTPUT POWER AND
INTERMODULATION DISTORTION
vs. INPUT POWER
+20
POUT
0
IM 3
-20
-40
-40
VCC = 5 V
RF = 500 MHz
IF = 50 MHz
-20
0
+20
Input Power (RF), PIN (dBm)
Each Tone
PIN DESCRIPTION
Pin
Pin
No.
Name
1
OSC Base
(bypass)
2
OSC Base
(feedback)
3
OSC
Collector (Coupling)
4
VCC
5
IF Output
6
GND
7
RF Input 1
(bypass)
8
RF Input 2
Description
Input pins for the internal oscillator which consists
of a balanced amplifier. Pin 1 should be bypassed to ground
through a capacitor. Pins 2 and 3 should be externally
equipped with a tank resonator. Note that pin 3 is an open
collector and must be supplied voltage through an external
resistor or choke coil.
Internal
Equivalent
Circuit
VCC
VREF
3 12
to OSC
Buffer
Amp
Supply voltage pin. This pin should be externally equipped
with a bypass capacitor to minimize ground impedance.
IF output pin from the single-ended push-pull amplifier.
This pin is an emitter follower output with a constant
resistive impedance of 50 .
from IF
Pre amp
Ground pin. This pin must be connected to system ground.
Form ground pattern as wide as possible to minimize
ground impedance.
VCC
RF input pins. Pins 7 and 8 are each base inputs to a
double balanced mixer. Either pin can be assigned as the
from
input. The unused pin should be bypassed to ground
OSC
Buffer
through a capacitor.
RF
Inputs
VCC
5
IF
Output
to IF
Amp
 

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