NEC UPC2795GV-E1, UPC2795GV Datasheet

DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

PC2795GV

µµµµ

GENERAL PURPOSE L-BAND DOWN CONVERTER

DESCRIPTION

µ

The

PC2795GV is Silicon monolithic IC designed for L-band down converter. This IC consists of double

balanced mixer, local osc illat o r , loc al osc illat ion buf fer amplifier , IF buffer am plif ier , 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 5 V

• Low distortion IM

• Packaged in 8-pin SSOP suitable for high-density mounting

3

= 55 dBc

ORDERING INFORMATION

PART NUMBER PACKAGE PACKAGE STYLE

PC2795GV-E1 8-pin plastic SSOP (175 mil) Embossed tape 8 mm wide. 1 k/REEL

µ

Pin 1 indicates pull-out direction of tape

For evaluation sample order, please contact your local NEC office. ( Par t num ber f or sample order: µPC2795GV)

INTERNAL BL OCK DIAGRAM PIN CONFIGURATION (Top View)

87 65

1. RF input

2. GND

8

3. Vcc

4. IF out

7

5. OSC Base 2

6. OSC Collector 1

6

7. OSC Collector 2

8. OSC Base 1

MIX

OSC Buffer

OSC

REG1 REG2

IF Buffer

1

2

3

45

Document No. P11734EJ2V0DS00 (2nd edition) Date Published June 1998 N CP(K) Printed in Japan

4321

Caution: Electro- st atic sensitive devi ces

The information in this document is subject to change without notice.

1996©

PIN EXPLANATIONS

µµµµ

PC2795GV

Pin NO.

Symbol

1 RF IN 2.1 RF signal input pin.

2 GND 0.0 Ground pin.

CC

3V

4 IF OUT 2.3 IF output pin.

Pin Volt (V, TYP.)

Double balanced mixer with Tr.1 and Tr. 2.

5.0 Power supply pin.

This pin is assigned for the emitter follower output with low impedance.

Explanation Equivalent Circuit

Vcc

IF

Lo Buffer

1

Vcc

4

5OSC

Base 2

6OSC

Collector 1

7OSC

Collector 2

8OSC

Base 1

2

2.8 Base pin of oscillator with balanced amplifier. Connected to LC resonator through cuppling capacitor.

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.

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.

2.8 Base pin of oscillator with balanced amplifier. Connected to LC resonator through cuppling capacitor.

8 6 7 5

µµµµ

PC2795GV

ABSOLUTE MAXIM UM RATINGS (TA = 25

C, unless otherwi se speci f ied)

°°°°

PARAMETER SYMBOL TEST CONDITION RATINGS UNIT Supply Voltage V Power Dissipation P Operating Ambient Temperature T Storage Temperature T

*1

Mounted on 50 × 50 × 1.6 mm double epoxy glass board.

CC

TA = 85 °C

D

A

stg

*1

6.0 V

250 mW

−40 to +85 °C

−55 to +150 °C

RECOMMENDED O PERATING RANGE

PARAMETER SYMBOL MIN. TYP. MAX. UNIT Supply Voltage V Operating Ambient Temperature T

ELECTRICAL CHARACTERISTICS ( TA = 25

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITIONS Circuit Current I Lower Input Frequency fRF1 0.95 GH Upper Input Frequency fRF22.15GH Conversion Gain 1 CG1 8.0 11.0 14.0 dB fRF = 950 MHz, PRF = −30 dBm,

Conversion Gain 2 CG2 6.5 9.5 12.5 dB fRF = 2.15 GHz, PRF = −30 dBm,

Noise Figure 1 NF1  13.5 16.0 dB fRF = 950 MHz, fIF = 402 MHz,

Noise Figure 2 NF2  14.0 16.5 dB fRF = 2.15 GHz, fIF = 402 MHz,

Maximum Output Power 1 P

Maximum Output Power 2 P

CC

A

CC

O(sat)

1 2.0 5.0  dBm fRF = 950 MHz, PRF = 0 dBm,

O(sat)

2 0.0 3.5  dBm fRF = 2.15 GHz, PRF = 0 dBm,

4.5 5.0 5.5 V

−40 +25 +85 °C

C, VCC = 5 V; *1)

°°°°

25.5 35.0 48.0 mA no input signal

Z

IF

f

= 402 MHz, P

IF

= 402 MHz, P

f

OSC

= −10 dBm

P

OSC

= −10 dBm

P

IF

= 402 MHz, P

f

IF

= 402 MHz, P

f

OSC

= −10dBm

= −10 dBm

*1

By measurement circuit.

STANDARD CHARACTERISTICS (T

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITIONS 3rd Order Intermodulation

Distortion 1 3rd Order Intermodulation

Distortion 2 Oscillator Frequency f

*1

By measurement circuit.

IM31  55  dBc fRF = 950, 980 MHz, PRF = −25 dBm,

IM32  55  dBc fRF = 2.15, 2.18 GHz, PRF = −25 dBm,

osc

= 25

A

C, VCC = 5 V; *1)

°°°°

1.35  2.65 GH

OSC

= 1430 MHz, P

f

OSC

= 2.63 GHz, P

f

Z

OSC

= −10 dBm

OSC

= −10 dBm

3

TYPICAL CHARACTERISTICS

µµµµ

PC2795GV

16

14

12

10

A

= –40 ˚C

8

T

6

4

CG - Conversion Gain - dB

2

0

0.8 1.2 1.6

RF

- Input Frequency - GHz

f

20 18 16 14 12 10

8 6

NF - Noise Figure - dB

4 2 0

0.8

1.2 1.6

RF

- Input Frequency - GHz

f

fRF vs. CG

fRF vs. NF

A

= 85 ˚C

T

A

= 25 ˚C

A

= 85 ˚C

T

VCC = 5 V

IF

= 402 MH

f PRF = –30 dBm

OSC

= –10 dBm

P

2.0

T

A

= –40 ˚C

A

= 25 ˚C

T

VCC = 5 V

IF

= 402 MH

f P

OSC

= –10 dBm

2.0

2.4

16

fRF vs. CG

14

12

10

8

T

A

= –40 ˚C

A

= 25 ˚C

T

A

= 85 ˚C

T

6

4

Z

2

0

0.8 1.2 1.6

16

RF

- Input Frequency - GHz

f

fIF vs. CG

CG - Conversion Gain - dB

VCC = 5 V

IF

= 480 MH

f PRF = –30 dBm

OSC

= –10 dBm

P

2.0

Z

2.4

14

12

10

A

= 25 ˚C

T

8

A

=–40 ˚C

6

4

CG - Conversion Gain - dB

Z

2.4

2

0

300 400 500

IF

- Intermediate Frequency - MHz

f

T

A

= 85 ˚C

T

VCC = 5 V

RF

= 2.15 GH

f PRF = –30 dBm

OSC

= –10 dBm

P

600

Z

–10

–20

–30

–40

Pout - Output Power - dBm

–50

–40 –30 –20

4

P

OSC

vs. P

OUT

fRF = 950 MH

–10 10

OSC

- Oscillator Input Power - dBm

P

Z

fRF = 2.15 GH

VCC = 5 V

RF

= –30 dBm

P

IF

= 480 MH

f TA = 25

˚C

0

VCC vs. I

50

40

Z

CC

T

A

= 25 ˚C

30

A

= 85 ˚C

20

- Circuit Current - mA

CC

I

10

Z

0

012

T

CC

- Supply Voltage - V

V

TA = –40 ˚C

4

356