UPC2795 반도체 회로 부품 판매점
GENERAL PURPOSE L-BAND DOWN CONVERTER
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 NEC |
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC2795GV
GENERAL PURPOSE L-BAND DOWN CONVERTER
DESCRIPTION
The µPC2795GV is Silicon monolithic IC designed for L-band down converter. This IC consists of double
balanced mixer, local oscillator, local oscillation buffer amplifier, IF buffer amplifier, and voltage regulator.
The package is 8-pin SSOP suitable for high-density surface mount.
FEATURES
• Wide band operation
fRF = 0.95 to 2.15 GHz
• Supply voltage
5V
• Low distortion
IM3 = 55 dBc
• Packaged in 8-pin SSOP suitable for high-density mounting
ORDERING INFORMATION
PART NUMBER
µPC2795GV-E1
PACKAGE
8-pin plastic SSOP (175 mil)
PACKAGE STYLE
Embossed tape 8 mm wide. 1 k/REEL
Pin 1 indicates pull-out direction of tape
For evaluation sample order, please contact your local NEC office. (Part number for sample order: µPC2795GV)
INTERNAL BLOCK DIAGRAM
PIN CONFIGURATION (Top View)
87
65
OSC
Buffer
OSC
REG1 IF
REG2
Buffer
MIX
12
34
1
2
3
4
1. RF input
8 2. GND
3. Vcc
4. IF out
7 5. OSC Base 2
6. OSC Collector 1
6 7. OSC Collector 2
8. OSC Base 1
5
Caution: Electro-static sensitive devices
The information in this document is subject to change without notice.
Document No. P11734EJ2V0DS00 (2nd edition)
Date Published June 1998 N CP(K)
Printed in Japan
©
1996
µPC2795GV
PIN EXPLANATIONS
Pin Symbol
NO.
1 RF IN
Pin Volt
(V, TYP.)
2.1
Explanation
RF signal input pin.
Double balanced mixer with Tr.1
and Tr. 2.
2 GND
0.0 Ground pin.
3 VCC
5.0 Power supply pin.
Lo Buffer
Equivalent Circuit
Vcc
IF
1
4 IF OUT
2.3 IF output pin.
This pin is assigned for the emitter
follower output with low impedance.
Vcc
4
5 OSC
Base 2
2.8 Base pin of oscillator with balanced
amplifier.
Connected to LC resonator through
cuppling capacitor.
6 OSC
5.0 Collector pin of oscillator with
Collector 1
balanced amplifier.
Assemble LC resonator with 5 pin
through capacitor to oscillate with
active feedback loop. Loads should
be connected to this pin.
7 OSC
5.0 Collector pin of oscillator with
Collector 2
balanced amplifier.
Assemble LC resonator with 8 pin
through capacitor to oscillate with
active feedback loop. Loads should
be connected to this pin.
8 OSC
Base 1
2.8 Base pin of oscillator with balanced
amplifier.
Connected to LC resonator through
cuppling capacitor.
2
86
75
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UPC2795 converter
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