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1.5GHz / 10 Prescaler Advance Information
DS3690 Issue 3.3 June 1999
SP8830
Features
q q
Ordering Information
SP8830 A DG SP8830 B DG DES9157201/AC/DGAZ (SMD)
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
q
q q q q q
Temperature Range: 255C to 1125C (A Grade) 240C to 185C (B Grade)
Absolute Maximum Ratings 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. Supply voltage, VCC Clock input voltage Storage temperature range Junction temperature - 6.5V 2.5V p-p 65 C to +150C + 175C
1 1*25k 1k 2k 7 6 1*25k
VCC
OUTPUT OUTPUT
42 INPUT INPUT 2
45 1mA 0*8mA
3 0*8mA 5 GND
Figure 1 SP8830 block diagram
SP8830
Advance Information
VCC 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, TAMB = -55C to +125C (A Grade), -40C to +85C (B Grade) Characteristic Supply current, ICC Input sensitivity, 100MHz to 1500MHz Input impedance (series equivalent) Output voltage with fIN = 100MHz Output voltage with fIN = 1500MHz Pin Min. 1 2, 3 Value Typ. 40 Max. 50 100 Units mA mV pF V p-p V p-p RMS sinewave, measured in 50 system. See Figs 3 and 4. See Fig. 5 Conditions
2, 3 6, 7 6, 7 0*7
50 2 1 0*4
400
* Tested as specified
VIN (mV RMS INTO 50 )
150
GUARANTEED * OPERATING WINDOW
in table of Electrical Characteristics
100
50
100
500
1000 FREQUENCY (MHz)
1500
2000
Figure 3 Typical input sensitivity
2
Advance Information
SP8830
POWER METER SIGNAL GENERATOR COAXIAL SWITCH 50 15V
1 8
FROM 0*1 OUTPUT
50
1k
3p
Output load for amplitude measurements
1n
2 3 7 6 5
SP8830
RATIO COUNTER
0*1
1n
4
Figure 4 Test circuit
j1 j 0.5 j2
j 0.2 j5
0
0.2
0.5
1
2
5 100MHz 2j 5
2j 0.2 1500MHz 1000MHz 2j 1 2j 2
500MHz
2j 0.5
Figure 5 Typical input impdance, normalised to 50
3
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