BB147 datasheet(2/4 Pages) PHILIPS

2 / 4 page

1996 Sep 20

Philips Semiconductors

Product speciﬁcation

VHF variable capacitance diode

BB147

FEATURES

• Ultra high ratio

• Excellent matching to 2% DMA

(Direct Matching Assembly)

• Very small plastic SMD package

• C28: 2.6 pF; ratio 40.

APPLICATIONS

• Electronic tuning in television

tuners with extended VHF range

• Voltage controlled oscillators

(VCO).

DESCRIPTION

The BB147 is a variable capacitance

diode, fabricated in planar

technology, and encapsulated in the

SOD323 very small plastic SMD

package.

The excellent matching performance

is achieved by gliding matching and a

direct matching assembly procedure.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

continuous reverse voltage

−

continuous forward current

−

Tstg

storage temperature

−55

+150

°C

operating junction temperature

−55

+125

°C

Fig.1 Simplified outline (SOD323) and symbol.

Marking code: P7.

Cathode side indicated by a bar.

handbook, 4 columns

MAM130

ELECTRICAL CHARACTERISTICS

Tj =25 °C; unless otherwise speciﬁed.

Note

VR is the value at which Cd = 30 pF.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

reverse current

VR = 30 V; see Fig.3

−

VR = 30 V; Tj =85 °C; see Fig.3

−

200

diode series resistance

f = 100 MHz; note 1

−

2.8

Ω

diode capacitance

VR = 0.5 V; f = 1 MHz; see Figs 2 and 4

112

VR = 28 V; f = 1 MHz; see Figs 2 and 4

2.4

2.8

capacitance ratio

f = 1 MHz

capacitance matching

VR = 0.5 to 28 V; in a sequence of 8 diodes

(gliding)

−

d 0.5V

()

d28V

()

----------------------

∆

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