Philips UAA2082U, UAA2082H Datasheet

INTEGRATED CIRCUITS

UAA2082

Advanced pager receiver

Product specification

1996 Jan 15

Supersedes data of 1995 Nov 27

File under Integrated Circuits, IC03

Philips Semiconductors	Product specification
Advanced pager receiver	UAA2082

FEATURES

∙Wide frequency range: VHF, UHF and 900 MHz bands

∙High sensitivity

∙High dynamic range

∙Electronically adjustable filters on chip

∙Suitable for data rates up to 2400 bits/s

∙Wide frequency offset and deviation range

∙Fully POCSAG compatible FSK receiver

∙Power on/off mode selectable by the chip enable input

∙Low supply voltage; low power consumption

∙1-cell battery-low detection circuit

∙High integration level

∙Interfaces directly to the PCA5000A, PCF5001 and PCD5003 POCSAG decoders.

APPLICATIONS

∙Wide area paging

∙On-site paging

∙Telemetry

∙RF security systems

∙Low bit-rate wireless data links.

ORDERING INFORMATION

GENERAL DESCRIPTION

The UAA2082 is a high-performance low-power radio receiver circuit primarily intended for VHF, UHF and 900 MHz pager receivers for wide area digital paging systems, employing direct FM non-return-to-zero (NRZ) frequency shift keying (FSK).

The receiver design is based on the direct conversion principle where the input signal is mixed directly down to the baseband by a local oscillator on the signal frequency. Two complete signal paths with signals of 90° phase difference are required to demodulate the signal.

All channel selectivity is provided by the built-in IF filters. The circuit makes extensive use of on-chip capacitors to minimize the number of external components.

The battery monitoring circuit has an external sense input and a 1.1 V detection threshold for easy operation in a single-cell supply concept.

The UAA2082 was designed to operate together with the PCA5000A, PCF5001 or PCD5003 POCSAG decoders, which contain a digital input filter for optimum call success rate.

TYPE		PACKAGE
NUMBER	NAME	DESCRIPTION	VERSION
UAA2082H	LQFP32	plastic low profile quad flat package; 32 leads; body 7 × 7 × 1.4 mm	SOT358-1
UAA2082U	28 pads	naked die; see Fig.8

1996 Jan 15

2

Philips Semiconductors				Product specification
Advanced pager receiver					UAA2082
QUICK REFERENCE DATA
SYMBOL	PARAMETER	CONDITIONS	MIN.	TYP.	MAX.	UNIT
VP	supply voltage		1.9	2.05	3.5	V
IP	supply current		2.3	2.7	3.2	mA
IP(off)	stand-by current		-	-	3	mA
Pi(ref)	RF input sensitivity	BER £ 3¤100; ±4 kHz deviation;
		data rate 1200 bits/s; Tamb = 25 °C
		fi(RF) = 173 MHz	-	-126.5	-123.5	dBm
		fi(RF) = 470 MHz	-	-124.5	-121.5	dBm
		fi(RF) = 930 MHz	-	-120.0	-114.0	dBm
Pi(mix)	mixer input sensitivity	BER £ 3¤100; fi(RF) = 470 MHz;	-	-115.0	-110.0	dBm
		±4 kHz deviation;
		data rate 1200 bits/s; Tamb = 25 °C
Vth	detection threshold for battery	Tamb = 25 °C	1.05	1.10	1.15	V
	LOW indicator	Tamb = -10 to +70 °C	1.03	1.10	1.17	V
Tamb	operating ambient temperature		-10	-	+70	°C

1996 Jan 15

3

15 Jan 1996

4

Vbias(osc)

C20

1 nF

C18

R5

R6

L8

C15

R7

C14

C13

C19

R3

VP

1.5

22

27

1 nF

C16

27 pF

100 Ω

1 nF

10 μF

1 nF

1.5 kΩ

kΩ

XTAL

kΩ

nH

L6

L9

13 to

L7

33 nH

33 nH

50 pF

560

nH

SENSE

R4

C17

C12

GND3

2.2 kΩ

15 pF

5 to 20 pF

32

31

30

28

27

26

25

TS

1

CRYSTAL

FREQUENCY

24

OSCILLATOR

MULTIPLIER

BATTERY

22

LOW

R2

INDICATOR

low noise

47

LIMITER

amplifier Q

21

kΩ

Q

GYRATOR

ACTIVE

BLI

2

FILTER

FILTER

20

to

DO

3

DEMO-

GND2

decoder

RE

4

DULATOR

GYRATOR

ACTIVE

TPI

5

LIMITER

FILTER

FILTER

MIXER Q

IF testpoints TPQ

6

I

low noise

19

C1

amplifier I

8.2 pF

7

18

V i(RF)

RF pre-amplifier

L1

BAND GAP

43

C3

REFERENCE

MIXER I

nH

5 to

8

VP

20 pF

10

11

12

Vref

16

UAA2082H

C2

13

14

15

GND1

L4

L5

8.2 pF

330

L2

L3

C10

C11

150

150

R1

Ω

22 nH

22 nH

C5 1 nF

22 pF

22 pF

nH

nH

pagewidth

C6

C7

C9

5 to

8.2 pF

8.2 pF

C4 1 nF

20 pF

VP

full

C8

MLC222

8.2 pF

Pins 9, 17, 23 and 29 are not connected.

handbook,

Fig.1 Block, test and application diagram drawn for LQFP32; fi(RF) = 172.941 MHz.

MHz) (173 DIAGRAMS BLOCK

receiver pager Advanced

UAA2082

Semiconductors Philips

specification Product

15 Jan 1996

5

C20

Vbias(osc)

1 nF

VP

C18

R5

Ω

R6

L8

C15

C13

R3

1 nF

1.5 k

R7

C14

C 19

22

27

27

1.5 kΩ

C16

kΩ

nH

pF

100 Ω 1 nF

10 F

1 nF

L9

L7

L6

13 to

XTAL

BLI

560 nH

50 pF

33 nH 33 nH

C17

decoder

DO

R2

RE

R 4

SENSE

C12

47 kΩ

2.2 kΩ

TS

15 pF

GND3

5 to 20 pF

28

27

26

25

24

23

22

21

20

19

18

17

16

15

BAND GAP

CRYSTAL

FREQUENCY

REFERENCE

OSCILLATOR

MULTIPLIER

VP

Vref

BATTERY

low noise

LOW

UAA2082U

INDICATOR

amplifier

Q

LIMITER

GYRATOR

ACTIVE

DEMODULATOR

Q

FILTER

FILTER

LIMITER

GYRATOR

ACTIVE

I

FILTER

FILTER

low noise

RF pre-amplifier

amplifier

I

MIXER I

MIXER Q

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TPI

TPQ

C3

330

L3

L2

10 pF

10 pF

L4

GND2

R1

GND1

C5

1 nF

8.2 pF

150

L5

IF testpoints

Ω

22 nH

22 nH

C10 C11

5 to 20 pF

nH

150

C7

L1

C6

C9

nH

C1

C2

C4

1 nF

5 to 20 pF

C8

8.2 pF

43 nH

8.2 pF

8.2 pF

pagewidth

MLC223

V i(RF)

VP

8.2 pF

full

Fig.2

Block, test and application diagram drawn for naked die; fi(RF) = 172.941 MHz.

book,han

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UAA2082

Semiconductors Philips

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Philips Semiconductors			Product specification
Advanced pager receiver			UAA2082
Table 1 Tolerances of components shown in Figs 1 and 2 (notes 1 and 2)
COMPONENT	TOLERANCE		REMARK
	(%)
Inductances
L1	±5	Qmin = 100 at 173 MHz
L2, L3, L6, L7	±20	Q	= 50 at 173 MHz; TC = (+25 to +125) × 10−6/K
			min
L4, L5	±10	Q	= 30 at 173 MHz; TC = (+25 to +125) × 10−6/K
			min
L8	±20	Q	= 30 at 173 MHz; TC = (+25 to +125) × 10−6/K
			min
L9	±10	Q	= 30 at 57 MHz; TC = (+25 to +125) × 10−6/K
			min
Resistors
R1 to R7	±2	TC = +50 × 10−6/K
Capacitors
C1, C2, C7, C8, C9, C15	±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 30 × 10−4 at 1 MHz
C3, C6, C12	−	TC = (−750 ±300) × 10−6/K; tan δ ≤ 50 × 10−4 at 1 MHz
C4, C5, C14, C18, C19, C20	±10	TC = (0 ±30) × 10−6/K; tan δ ≤ 10 × 10−4 at 1 MHz
C10, C11	±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 21 × 10−4 at 1 MHz
C13	±20
C16	−	TC = (−1700 ±500) × 10−6/K; tan δ ≤ 50 × 10−4 at 1 MHz
C17	±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 26 × 10−4 at 1 MHz

Notes

1.Recommended crystal: fXTAL = 57.647 MHz (crystal with 8 pF load), 3rd overtone, pullability >2.75 × 10−6/pF (change in frequency between series resonance and resonance with 8 pF series capacitor at 25 °C), dynamic

resistance R1 < 40 Ω, f = ±5 × 10−6 for Tamb = −10 to +55 °C with 25 °C reference, calibration plus aging tolerance: −5 × 10−6 to +15 × 10−6.

2.This crystal recommendation is based on economic aspects and practical experience. Normally the spreads for R1, pullability and calibration do not show their worst case limits simultaneously in one crystal. In such a rare event, the tuning range will be reduced to an insufficient level.

1996 Jan 15

6

15 Jan 1996

7

Vbias(osc)

C20

1 nF

C18

R5

R6

L8

C13

VP

C14

R3

1.5

22

100

C15

C19

1 nF

1 nF

10 μF

820

Ω

kΩ

C16

XTAL

kΩ

nH

1 nF

L7

3 to

L9

13 to

10 pF

8 nH

L6

560

50 pF

8 nH

nH

SENSE

R4

C17

C12

1.2 kΩ

15 pF

GND3

2.5 to 6 pF

32

31

30

28

27

26

25

TS

1

CRYSTAL

FREQUENCY

24

OSCILLATOR

MULTIPLIER

BATTERY

22

LOW

R2

INDICATOR

low noise

47

LIMITER

amplifier Q

21

kΩ

Q

GYRATOR

ACTIVE

BLI

2

FILTER

FILTER

20

to

DO

3

DEMO-

GND2

decoder

RE

4

DULATOR

GYRATOR

ACTIVE

TPI

5

LIMITER

FILTER

FILTER

MIXER Q

IF testpoints

TPQ

6

I

low noise

19

C1

amplifier I

2.7 pF

7

18

V i(RF)

RF pre-amplifier

L1

BAND GAP

12.5

C3

REFERENCE

MIXER I

nH

2.5 to

8

VP

UAA2082H

6 pF

10

11

12

13

14

Vref

15

C2

16

L4

L5

GND1

2.7 pF

C10

C11

40

40

330

L2

L3

R1

nH

nH

C5 1 nF 22 pF

22 pF

Ω

8 nH

8 nH

pagewidth

C6

C7

C9

2.5 to

2.7 pF

2.7 pF

C4 1 nF

6 pF

VP

full

C8

MLC224

2.7 pF

Pins 9, 17, 23 and 29 are not connected.

handbook,

Fig.3 Block, test and application diagram drawn for LQFP32; fi(RF) = 469.95 MHz.

MHz) (470 DIAGRAMS TEST AND BLOCK

receiver pager Advanced

UAA2082

Semiconductors Philips

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15 Jan 1996

8

Vbias(osc)

C20

1 nF

VP

C18

R5

R6

L8

R3

1 nF

1.5 kΩ

C14

C13

C 19

22

100

C15

C16

10

F

820 Ω

1 nF

1 nF

L9

kΩ

nH

3 to

L7

L6

13 to

XTAL

10 pF

BLI

560 nH

50 pF

8 nH

8 nH

C17

decoder

DO

R2

RE

R 4

SENSE

C12

47 kΩ

1.2 kΩ

TS

15 pF

GND3

2.5 to 6 pF

28

27

26

25

24

23

22

21

20

19

18

17

16

15

BAND GAP

CRYSTAL

FREQUENCY

REFERENCE

OSCILLATOR

MULTIPLIER

VP

Vref

BATTERY

low noise

LOW

UAA2082U

INDICATOR

amplifier

Q

LIMITER

GYRATOR

ACTIVE

DEMODULATOR

Q

FILTER

FILTER

LIMITER

GYRATOR

ACTIVE

I

FILTER

FILTER

low noise

RF pre-amplifier

amplifier

I

MIXER I

MIXER Q

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TPI

TPQ

C3

330

L3

L2

22 pF

22 pF

L4

GND2

R1

GND1

C5 1 nF 2.7 pF

40

IF testpoints

Ω

8 nH

8 nH

C10 C11

L5

2.5 to 6 pF

nH

40

C7

C9

V i(RF)

VP

pagewidth

C6

nH

C2

2.5 to 6 pF

2.7 pF

2.7 pF

C1

L1

C4

1 nF

C8

2.7 pF

12.5 nH

2.7 pF

MLC225

full

Fig.4

handbook,

i(RF)

= 469.95 MHz.

Block, test and application diagram drawn for naked die; f

receiver pager Advanced

UAA2082

Semiconductors Philips

specification Product

15 Jan 1996

9

Vbias(osc)

C20

1 nF

C18

R5

R6

L8

C13

VP

C14

R3

1.5

22

100

C15

C19

1 nF

1 nF

10 μF

820 Ω

kΩ

C16

XTAL kΩ

nH

1 nF

L7

3 to

L9

13 to

10 pF

8 nH

L6

560

50 pF

8 nH

nH

SENSE

R4

C17

C12

1.2 kΩ

15 pF

GND3

2.5 to 6 pF

32

31

30

28

27

26

25

TS

1

CRYSTAL

FREQUENCY

24

OSCILLATOR

MULTIPLIER

BATTERY

22

LOW

R2

INDICATOR

low noise

47

LIMITER

amplifier Q

21

kΩ

Q

GYRATOR

ACTIVE

BLI

2

FILTER

FILTER

20

to

DO

3

DEMO-

GND2

decoder

RE

4

DULATOR

GYRATOR

ACTIVE

TPI

5

LIMITER

FILTER

FILTER

MIXER Q

IF testpoints TPQ

6

I

low noise

19

amplifier I

RF pre-amplifier

18

7

BAND GAP

8

REFERENCE

MIXER I

10

11

12

13

VP

Vref

15

UAA2082H

14

16

L4

L5

GND1

C10

C11

40

40

22 pF

22 pF

nH

nH

V i(RF)

C21

L10

C23

pagewidth

C5

1 nF

5.6 pF

12.5 nH

2.5 to 6 pF

C22

MLC226

VP

full

5.6 pF

Fig.5

Mixer input sensitivity testhandbook,

circuit; fi(RF) = 469.95 MHz.

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UAA2082

Semiconductors Philips

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Philips Semiconductors			Product specification
Advanced pager receiver			UAA2082
Table 2 Tolerances of components shown in Figs 3, 4 and 5 (notes 1 and 2)
COMPONENT	TOLERANCE		REMARK
		(%)
Inductances
L1, L10		±5	Qmin = 145 at 470 MHz
L2, L3, L6, L7		±20	Qmin = 50 at 470 MHz; TC = (+25 to +125) × 10−6/K
L4, L5		±10	Qmin = 40 at 470 MHz; TC = (+25 to +125) × 10−6/K
L8		±10	Qmin = 30 at 156 MHz; TC = (+25 to +125) × 10−6/K
L9		±10	Qmin = 40 at 78 MHz; TC = (+25 to +125) × 10−6/K
Resistors
R1 to R6		±2	TC = +50 × 10−6/K
Capacitors
C1, C2, C7, C8, C9		±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 30 × 10−4 at 1 MHz
C3, C6, C12, C23		−	TC = (−750 ±300) × 10−6/K; tan δ ≤ 50 × 10−4 at 1 MHz
C4, C5, C14, C18 to C22		±10	TC = (0 ±30) × 10−6/K; tan δ ≤ 10 × 10−4 at 1 MHz
C10, C11		±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 21 × 10−4 at 1 MHz
C13		±20
C16		−	TC = (−1700 ±500) × 10−6/K; tan δ ≤ 50 × 10−4 at 1 MHz
C17		±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 26 × 10−4 at 1 MHz

Notes

1.Recommended crystal: fXTAL = 78.325 MHz (crystal with 8 pF load), 3rd overtone, pullability >2.75 × 10−6/pF (change in frequency between series resonance and resonance with 8 pF capacitor at 25 °C), dynamic resistance

R1 < 30 Ω, f = ±5 × 10−6 for Tamb = −10 to +55 °C with 25 °C reference, calibration plus aging tolerance: −5 × 10−6 to +15 × 10−6.

2.This crystal recommendation is based on economic aspects and practical experience. Normally the spreads for R1, pullability and calibration do not show their worst case limits simultaneously in one crystal. In such a rare event, the tuning range will be reduced to an insufficient level.

1996 Jan 15

10

15 Jan 1996

TS 1

		BLI	2
	to	DO	3
	decoder	RE	4
	11
		TPI	5
	IF testpoints TPQ		6
	C1
	1.2 pF		7
	V i(RF)
	L1	C3
	5
	nH	1.7 to	8
		3 pF
	C2
	1.0 pF

Pins 9, 17, 23 and 29 are not connected.

L8

C14

VP

C13

R3

33 nH

150

4.7 μF

330 Ω

pF

C15

Vi(OSC)

C19

L7

L6

3.3 pF

R4

150 pF

3 nH

3 nH

SENSE

GND3

390 Ω

C12

1.7 to 3 pF

32

31

30

28

27

26

25

CRYSTAL

FREQUENCY

24

OSCILLATOR

MULTIPLIER

BATTERY

22

LOW

R2

INDICATOR

low noise

47

LIMITER

amplifier Q

21

kΩ

Q

GYRATOR

ACTIVE

FILTER

FILTER

20

DEMO-

GND2

DULATOR

GYRATOR

ACTIVE

LIMITER

FILTER

FILTER

MIXER Q

I

low noise

19

amplifier I

RF pre-amplifier

18

BAND GAP

REFERENCE

MIXER I

10

11

12

VP

Vref

15

UAA2082H

13

14

16

L4

L5

GND1

C5

L10

L11

12.5

12.5

120

L2

L3

R1

nH

nH

150 pF

5 nH

5 nH

Ω

3.5 nH 3.5 nH

VP

C4

pagewidth150 pF fullhandbook,

C6					C7			C9
1.7 to			1.5 pF
								1.2 pF
3 pF
					C8			MLC227
				1.5 pF

Fig.6 Test circuit; fi(RF) = 930.50 MHz.

MHz) (930 DIAGRAM TEST AND BLOCK

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Philips Semiconductors			Product specification
Advanced pager receiver			UAA2082
Table 3 Tolerances of components shown in Fig.6 (note 1)
COMPONENT	TOLERANCE		REMARK
		(%)
Inductances
L1		±10	Qtyp = 150 at 930 MHz
L2, L3, L6, L7		−	microstrip inductor
L4, L5		±5	Qtyp = 100 at 930 MHz
L8		±10	Qtyp = 65 at 310 MHz
L10, L11		±10	Qtyp = 150 at 930 MHz
Resistors
R1 to R4		±2	TC = (0 ±200) × 10−6/K
Capacitors
C1, C2, C7, C8, C9, C15		±5	TC = (0 ±30) × 10−6/K; tan δ ≤ 30 × 10−4 at 1 MHz
C3, C6, C12		−	TC = (0 ±200) × 10−6/K; tan δ ≤ 30 × 10−4 at 1 MHz
C4, C5, C14, C19		±10	TC = (0 ±30) × 10−6/K; tan δ ≤ 10 × 10−4 at 1 MHz
C13		±20

Note

1. The external oscillator signal Vi(OSC) has a frequency of fOSC = 310.1667 MHz.

1996 Jan 15

12