Datasheet SP8830 Datasheet (MITEL)

SP8830

1.5GHz ÷ 10 Prescaler

Advance Information

DS3690 Issue 3.3 June 1999

Features

● High Speed Operation 1·5GHz

● Silicon Technology for Low Phase Noise (Typically

Better Than 2140dBc / Hz at 10kHz)

● Very Low Power Dissipation: 150mW (Typ.)

●

Single 5V Supply Operation

● High Input Sensitivity

● Very Wide Operating Frequency Range

● Available as DESC SMD 5962 - 9157201MPA

Description

The SP8830 is one of a range of very high speed low
power prescalers for professional and military
applications. The device features a complementary output
stage with on chip current sources for the emitter follower
outputs.

Ordering Information

SP8830 A DG
SP8830 B DG
DES9157201/AC/DGAZ (SMD)

● Temperature Range: 255°C to 1125°C (A Grade)

240°C to 185°C (B Grade)

Absolute Maximum Ratings

Supply voltage, V

CC

Clock input voltage 2.5V p-p
Storage temperature range 65° C to +150°C
Junction temperature + 175°C

- 6.5V

INPUT

INPUT

1

V

CC

1·25k 1·25k

1k 2k

7

OUTPUT

6

OUTPUT

42 45

2

0·8mA

3

0·8mA

1mA

5

GND

Figure 1 SP8830 block diagram

SP8830 Advance Information

(

)

V

CC

INPUT

INPUT

NC

1

2

3

4

8

7

6

5

NC

OUTPUT

OUTPUT

GND

DG8

Figure 2 Pin connections

Electrical Characteristics

Unless otherwise stated, the Electrical Characteristics are guaranteed over specified supply, frequency and
temperature range

Supply voltage, VCC -4·75V to +5·25V
Temperature, T

Characteristic

Supply current, I
Input sensitivity, 100MHz to

1500MHz

= -55°C to +125°C (A Grade), -40°C to +85°C (B Grade)

AMB

Value

Typ. Max.

40

50

100mAmV

CC

Pin

Min.

1

2, 3

Units

Conditions

RMS sinewave, measured in 50Ω
system. See Figs 3 and 4.

Input impedance (series equivalent)
Output voltage with fIN = 100MHz

Output voltage with fIN = 1500MHz

400

150

100

(mV RMS INTO 50 Ω )

IN

V

50

2, 3
6, 7

0·7

6, 7

GUARANTEED

OPERATING

WINDOW

50

2
1

0·4

*

Ω

pF
V p-p
V p-p

See Fig. 5

*

Tested as specified
in table of Electrical
Characteristics

100 500 1000 1500 2000

FREQUENCY

MHz

Figure 3 Typical input sensitivity

2

Advance Information SP8830

SIGNAL GENERATOR

50 Ω

COAXIAL

SWITCH

15V

1

1n

2

SP8830

3

1n0·1µ

4

Figure 4 Test circuit

j

0.5

POWER

METER

50 Ω

FROM

OUTPUT

0·1µ

1k

3p

Output load for

amplitude measurements

8

7

6

5

j

1

COUNTER

j

2

RATIO

j

0.2

j

5

0.2

0

j

0.2

2

2

0.5

j

0.5

1500MHz

2

1

j

1

2

1000MHz

5

100MHz

j

5

2

500MHz

2

j

2

Figure 5 Typical input impdance, normalised to 50Ω

3

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