NEC UPC3205GR-E1, UPC3205GR Datasheet

DATA SHEET

BIPOLAR ANALOG INTEGRATED CI RCUIT

µµµµ

PC3205GR

IQ DEMODULATOR FOR DIGITAL VIDEO/DATA RECEIVER

DESCRIPTION

The µPC3205GR is Silicon monolithic IC designed for use as IQ demodulator in digital communication systems.
This IC consists of AGC amplifier, dual balanced mixers (DBM), oscillator, quadrature phase shifter and I & Q output
buffer amplifiers.

The package is 20-pin SSOP (shrink small outline package) suitable for high-density surface mount.

FEATURES

• On chip quadrature (90°) phase shifter

• IQ phase and amplitude balance Amplitude Balance :

Phase Balance :

• Low distortion IM

• Supply Voltage V

• Packaged in 20-pin SSOP suitable for high-density surface mount

3

CC

0.5 dB

±

2.0 degree

±

: 56 dBc (@0.708 V
:5 V

P-P

/tone)

ORDERING INFORMATION

Part Number Package Supplying Form

µ

PC3205GR-E1 20-pin plastic SSOP (225 mil) Embossed tape 12 mm wide.

Pin 1 indicates pull-out di rection of tape.
Q’ty 2.5 k/reel

For evaluation sample order, please contact your local NEC office. (Part number for sample order: µPC3205GR)

Caution electro-static sensitive device

The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.

Document No. P13541EJ3V0DS00 (3rd edition)
Date Published October 1999 N CP(K)
Printed in Japan

The mark shows major revised points.

©

1998, 1999

INTERNAL BLOCK DIAGRAM AND PIN CONFIGURATION (Top View)

µµµµ

PC3205GR

V

CC

(I)

GND (I)

AGC

V

GND (IF)

IF IN

IF IN

GND (IF)

CC

(IF)

V

GND (Q)

V

CC

(Q)

1

2

3

4

5

6

7

8

9

10

IF
Amplifier

AGC
Amplifier

MIXER

90 deg

phase
shifter

0°

90°

LPF

LPF

OSC

20

19

18

17

16

15

14

13

12

11

I OUT

GND (PS)

V

CC

(PS)

OSC-C1

OSC-B2

OSC-B1

OSC-C2

GND (PS)

GND (PS)

Q OUT

2

Data Sheet P13541EJ3V0DS00

PIN FUNCTIONS

µµµµ

PC3205GR

Pin
No.

Pin
Name

1VCC(I) 5.0 Supply voltage pin.

2 GND(I) 0.0 Ground pin.

3V

4 GND(IF) 0.0 Ground pin.

5IF IN 2.7

AGC

Pin Voltage
TYP. (V)

0 to 5 Gain control pin.

AGC

V

= 0 V: Full gain

AGC

V

= 5 V: Full reduction

IF input pins. In case of single input, 5 pin or
6 pin should be grounded through capacitor.

Function and Explanation Equivalent Circuit

3

6IF IN 2.7

7 GND(IF) 0.0 Ground pin.

8VCC(IF) 5.0 Supply voltage pin.

9 GND (Q) 0.0 Ground pin.

10 VCC (Q) 5.0 Supply voltage pin.

5

6

Data Sheet P13541EJ3V0DS00

3

µµµµ

PC3205GR

Pin
No.

11 Q OUT 2.6 Q-signal output pi n.

12 GND(PS) 0.0 Ground pin.

13 GND(PS) 0.0 Ground pin.

14 OSC-C2 3.4 Connected capacitor bet ween 14 pi n and 15

15 OSC-B1 3. 0 Connect ed SAW resonator through

Pin

Name

Pin Voltage
TYP. (V)

Function and Explanation Equivalent Circuit

pin to oscillate with active f eedback loop.

capacitor.

14

11

REG

17

16 OSC-B2 3. 0 Connect ed SAW resonator through

capacitor.

17 OSC-C1 3.4 Connected capacitor bet ween 16 pi n and 17

pin to oscillate with active f eedback loop.

18 VCC(PS) 5.0 Supply voltage pin.

19 GND(PS) 0.0 Ground pin.

20 I OUT 2.6 I-signal output pin.

16

15

20

REG

4

Data Sheet P13541EJ3V0DS00

ABSOLUTE MAXIMUM RATINGS (TA = +25°C unless otherwise specified)

Parameter Symbol Test Condition Rating Unit

µµµµ

PC3205GR

Supply Voltage V
Power Dissipation P
Operating Ambient Temperature
Storage Temperature T

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

Note

CC

TA = +85°C

D

A

T

stg

Note

RECOMMENDED OPERATING RANGE

Parameter Symbol Test Condition MIN. TYP. MAX. Unit

T

AGC

CC

A

IF

V

out

= 1 V

P-P

Supply Voltage V
Operating Ambient Temperature
IF Input Level Range P
Gain Control Voltage Range V

ELECTRICAL CHARACTERISTICS (TA = +25°C, VCC = 5 V, Zin = 50

Parameter Symbol Test Conditions MIN. TYP. MAX. Unit

Circuit Current I
IF Input Frequency f
IQ Output Frequency f

Conversion Gain 1 Gcv1 fIF = 490 MHz, f

Conversion Gain 2 Gcv2
Conversion Gain 3 Gcv3 fIF = 490 MHz, f

AGC Gain Control Range GCR fIF = 490 MHz, f

IQ Phase Balance

IQ Amplitude Balance

Output Voltage V
Maximum Output Voltage Voclip

CC

No input signal 48 65 78 mA

OSC

fIF > f

IF

IQ

Gcv (@fIQ = 10 MHz) ± 1 dB, Vout = 1 V
PIF = –45 to –25 dBm

AGC

V

= 0 to 0.5 V

IF

= 490 MHz, f

f

AGC

V

= 4.5 V to V

AGC

V

= 0.5 to 4.5 V

fIF = 490 MHz, f

φ

∆

PIF = –45 to –25 dBm

VfIF = 490 MHz, f

∆

PIF = –45 to –25 dBm
fIQ = 0.3 to 30 MHz, PIF = –45 to –25 dBm

out

AGC

= 0 to 0.5 V, PIF = –45 to –25 dBm

V

OSC

= 479.5 MHz

OSC

= 479.5 MHz, V

OSC

= 479.5 MHz

CC

OSC

= 479.5 MHz

OSC

= 479.5 MHz, V

OSC

= 479.5 MHz, V

6.0 V

433 mW

–40 to +85 °C

–55 to +150 °C

4.5 5.0 5.5 V
–25 +25 +85 °C
–45 – –25 dBm

0.0 – V

out

, Z

= 1 k

ΩΩΩΩ

)

ΩΩΩΩ

Note

P-P

Note

Note

AGC

= 2 V

Note

Note

Note

out

P-P

= 1 V

Note

P-P

= 1 V

out

Note
Note
Note

CC

V

440 – 520 MHz

0.3 – 30 MHz

49 53 – dB

–44–dB
– – 10 dB

39 – – dB

–2 0 +2 deg

–0.5 0 +0.5 dB

–1.0–V

1.8 – – V

P-P

P-P

By measurement circuit 1

Note

Data Sheet P13541EJ3V0DS00

5

µµµµ

PC3205GR

STANDARD CHARACTERISTICS (TA = +25 °C, VCC = 5 V, Zin = 50

Parameter Symbol Test Conditions Reference Value Unit

OSC

= 479.5 MHz, fIQ = 10 MHz, V

Noise Figure (DSB) NF
Third Order Intermodulation

Distortion
LO to IF Isolation Iso(LO-IF)
LO to IQ Isolation Iso(LO-IQ) f = 480 MHz

I to Q Isolation Iso(I-Q)
IF Input Impedance Zin(IF) fIF = 480 MHz 138-j45
IF Input Return Loss RL(IF) fIF = 480 MHz 6 dB
IQ Output Impedance ZO(IQ) fIQ = 0.3 to 30 MHz 25

Notes 1.

By measurement circuit 2
By measurement circuit 1

2.

IM

f

3

fIF1 = 489 MHz, fIF2 = 490 MHz, f

out

V

= 0.708 V

f = 480 MHz, 15 pin or 16 pin to 5 pin

15 pin or 16 pin to 11 pin or 20 pin
f = 10 MHz, 11 pin to 20 pin

P-P

/tone

out

, Z

ΩΩΩΩ

AGC

= 0.5 V

OSC

= 479.5 MHz

= 1 k

)

ΩΩΩΩ

Note 1

Note 2
Note 2

Note 2
Note 2

12.5 dB
56 dBc

50 dB
30 dB

30 dB

Ω

Ω

6

Data Sheet P13541EJ3V0DS00