DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µ
PC2795GV
GENERAL PURPOSE L-BAND DOWN CONVERTER
DESCRIPTION
The
µ
PC2795GV is Silicon monolithic IC designed for L-band down converter.
The package is 8-pin SSOP suitable for high-density surface mount.
This IC consists of double
balanced mixer, local oscillator, local oscillation buffer amplifier, IF buffer amplifier, and voltage regulator.
FEATURES
•
•
•
•
Wide band operation
Supply voltage
Low distortion
f
RF
= 0.95 to 2.15 GHz
5V
IM
3
= 55 dBc
Packaged in 8-pin SSOP suitable for high-density mounting
ORDERING INFORMATION
PART NUMBER
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
µ
PC2795GV-E1
For evaluation sample order, please contact your local NEC office. (Part number for sample order:
µ
PC2795GV)
INTERNAL BLOCK DIAGRAM
8
7
6
5
PIN CONFIGURATION (Top View)
1
OSC
Buffer
OSC
REG1
IF
Buffer
REG2
2
3
4
8
7
6
5
1. RF input
2. GND
3. Vcc
4. IF out
5. OSC Base 2
6. OSC Collector 1
7. OSC Collector 2
8. OSC Base 1
MIX
1
2
3
4
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
µ
PC2795GV
PIN EXPLANATIONS
Pin
NO.
1
RF IN
Pin Volt
(V, TYP.)
2.1
Symbol
Explanation
RF signal input pin.
Double balanced mixer with Tr.1
and Tr. 2.
Equivalent Circuit
Vcc
IF
Lo Buffer
2
GND
0.0
Ground pin.
1
3
V
CC
5.0
Power supply pin.
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
Collector 1
5.0
Collector pin of oscillator with
balanced amplifier.
Assemble LC resonator with 5 pin
through capacitor to oscillate with
active feedback loop. Loads should
be connected to this pin.
8
6
7
5
7
OSC
Collector 2
5.0
Collector pin of oscillator with
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
µ
PC2795GV
ABSOLUTE MAXIMUM RATINGS (T
A
= 25
°
C, unless otherwise specified)
PARAMETER
Supply Voltage
Power Dissipation
Operating Ambient Temperature
Storage Temperature
SYMBOL
V
CC
P
D
T
A
T
stg
T
A
= 85
°C
*1
TEST CONDITION
RATINGS
6.0
250
−40
to +85
−55
to +150
UNIT
V
mW
°C
°C
*1
Mounted on 50
×
50
×
1.6 mm double epoxy glass board.
RECOMMENDED OPERATING RANGE
PARAMETER
Supply Voltage
Operating Ambient Temperature
SYMBOL
V
CC
T
A
MIN.
4.5
−40
TYP.
5.0
+25
MAX.
5.5
+85
UNIT
V
°C
ELECTRICAL CHARACTERISTICS (T
A
= 25
°
C, V
CC
= 5 V;
*1
)
PARAMETER
Circuit Current
Lower Input Frequency
Upper Input Frequency
Conversion Gain 1
SYMBOL
I
CC
f
RF
1
f
RF
2
CG1
MIN.
25.5
2.15
8.0
TYP.
35.0
11.0
MAX.
48.0
0.95
14.0
UNIT
mA
GH
Z
GH
Z
dB
f
RF
= 950 MHz, P
RF
=
−30
dBm,
f
IF
= 402 MHz, P
OSC
=
−10dBm
Conversion Gain 2
CG2
6.5
9.5
12.5
dB
f
RF
= 2.15 GHz, P
RF
=
−30
dBm,
f
IF
= 402 MHz, P
OSC
=
−10
dBm
Noise Figure 1
NF1
13.5
16.0
dB
f
RF
= 950 MHz, f
IF
= 402 MHz,
P
OSC
=
−10
dBm
Noise Figure 2
NF2
14.0
16.5
dB
f
RF
= 2.15 GHz, f
IF
= 402 MHz,
P
OSC
=
−10
dBm
Maximum Output Power 1
P
O(sat)
1
2.0
5.0
dBm
f
RF
= 950 MHz, P
RF
= 0 dBm,
f
IF
= 402 MHz, P
OSC
=
−10
dBm
Maximum Output Power 2
P
O(sat)
2
0.0
3.5
dBm
f
RF
= 2.15 GHz, P
RF
= 0 dBm,
f
IF
= 402 MHz, P
OSC
=
−10
dBm
TEST CONDITIONS
no input signal
*1
By measurement circuit.
STANDARD CHARACTERISTICS (T
A
= 25
°
C, V
CC
= 5 V;
*1
)
PARAMETER
3rd Order Intermodulation
Distortion 1
3rd Order Intermodulation
Distortion 2
Oscillator Frequency
f
osc
1.35
2.65
GH
Z
IM
3
2
55
dBc
SYMBOL
IM
3
1
MIN.
TYP.
55
MAX.
UNIT
dBc
TEST CONDITIONS
f
RF
= 950, 980 MHz, P
RF
=
−25
dBm,
f
OSC
= 1430 MHz, P
OSC
=
−10
dBm
f
RF
= 2.15, 2.18 GHz, P
RF
=
−25
dBm,
f
OSC
= 2.63 GHz, P
OSC
=
−10
dBm
*1
By measurement circuit.
3
µ
PC2795GV
TYPICAL CHARACTERISTICS
f
RF
vs. CG
16
14
CG - Conversion Gain - dB
f
RF
vs. CG
16
14
CG - Conversion Gain - dB
12
10
8
6
4
2
0
V
CC
= 5 V
f
IF
= 402 MH
Z
P
RF
= –30 dBm
P
OSC
= –10 dBm
12
10
8
6
4
2
0
T
A
= –40 ˚C
T
A
= 25 ˚C
T
A
= 25 ˚C
T
A
= –40 ˚C
T
A
= 85 ˚C
T
A
= 85 ˚C
V
CC
= 5 V
f
IF
= 480 MH
Z
P
RF
= –30 dBm
P
OSC
= –10 dBm
0.8
2.0
1.2
1.6
f
RF
- Input Frequency - GHz
2.4
0.8
2.0
1.2
1.6
f
RF
- Input Frequency - GHz
2.4
20
18
f
RF
vs. NF
16
14
CG - Conversion Gain - dB
f
IF
vs. CG
16
NF - Noise Figure - dB
T
A
= –40 ˚C
14
12
10
8
6
4
2
0
0.8
V
CC
= 5 V
f
IF
= 402 MH
Z
P
OSC
= –10 dBm
12
10
T
A
= 25 ˚C
8
T
A
=–40 ˚C
6
4
2
0
V
CC
= 5 V
f
RF
= 2.15 GH
Z
P
RF
= –30 dBm
P
OSC
= –10 dBm
T
A
= 85 ˚C
T
A
= 25 ˚C
T
A
= 85 ˚C
2.0
1.2
1.6
f
RF
- Input Frequency - GHz
2.4
600
300
400
500
f
IF
- Intermediate Frequency - MHz
P
OSC
vs. P
OUT
–10
50
V
CC
vs. I
CC
Pout - Output Power - dBm
f
RF
= 950 MH
Z
f
RF
= 2.15 GH
Z
I
CC
- Circuit Current - mA
40
–20
T
A
= 25 ˚C
30
T
A
= 85 ˚C
T
A
= –40 ˚C
10
–30
20
–40
V
CC
= 5 V
P
RF
= –30 dBm
f
IF
= 480 MH
Z
T
A
= 25
˚C
–50
–40
0
0
1
4
3
2
V
CC
- Supply Voltage - V
5
6
0
–10
–30
–20
P
OSC
- Oscillator Input Power - dBm
10
4
µ
PC2795GV
STANDARD CHARACTERISTICS
Pin vs. Pout
20
10
Pout - Output Power - dBm
Pin vs. Pout
20
10
0
950 + 980
MHz
Pout - Output Power - dBm
950 MH
Z
2.15 GH
Z
0
–10
–20
–30
–40
–50
–60
–70
–80
–40
–30
–20
–10
V
CC
= 5 V
f
RF
1 = 950 MH
Z
f
RF
2 = 980 MH
Z
f
OSC
= 1430 MH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= 25 ˚C
–10
–20
–30
–40
–50
–60
–70
2.15 + 2.18
GHz
0
10
–80
–40
V
CC
= 5 V
f
RF
1 = 2.15 GH
Z
f
RF
2 = 2.18 GH
Z
f
OSC
= 2.63 GH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= 25 ˚C
–30
–20
–10
0
10
Pin - Input Power - dBm
Pin - Input Power - dBm
Pin vs. Pout
20
10
0
Pout - Output Power - dBm
Pin vs. Pout
20
950 MH
Z
10
Pout - Output Power - dBm
2.15 GH
Z
0
–10
–20
–30
–40
–50
–60
–70
V
CC
= 5 V
f
RF
1 = 2.15 GH
Z
f
RF
2 = 2.18 GH
Z
f
OSC
= 2.63 GH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= –40 ˚C
–10
–20
–30
–40
–50
–60
–70
–80
–40
–30
–20
950 + 980
MHz
2.15 + 2.18
GHz
V
CC
= 5 V
f
RF
1 = 950 MH
Z
f
RF
2 = 980 MH
Z
f
OSC
= 1430 MH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= –40 ˚C
–10
0
10
–80
–40
–30
–20
–10
0
10
Pin - Input Power - dBm
Pin - Input Power - dBm
Pin vs. Pout
20
10
0
Pout - Output Power - dBm
Pin vs. Pout
20
950 MH
Z
10
Pout - Output Power - dBm
2.15 GH
Z
0
–10
–20
–30
–40
–50
–60
–70
V
CC
= 5 V
f
RF
1 = 2.15 GH
Z
f
RF
2 = 2.18 GH
Z
f
OSC
= 2.63 GH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= 85 ˚C
–10
–20
–30
–40
–50
–60
–70
–80
–40
–30
–20
950 + 980
MHz
2.15 + 2.18
GHz
V
CC
= 5 V
f
RF
1 = 950 MH
Z
f
RF
2 = 980 MH
Z
f
OSC
= 1430 MH
Z
P
OSC
= –10 dBm
f
IF
= 480 MH
Z
T
A
= 85 ˚C
–10
0
10
–80
–40
–30
–20
–10
0
10
Pin - Input Power - dBm
Pin - Input Power - dBm
5
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