VS-505 Single Frequency VCSO

Vectron International, 267 Lowell Road, Hudson, NH 03051

Tel: 1-88-VECTRON-1

Page 2 of 9

Rev: 05Nov2008

Electrical Performance: 3.3V LV-PECL

Parameter

Symbol

Minimum

Typical

Maximum

Units

Notes

Frequency

Nominal Frequency

120

1000

MHz

1,2,3

Absolute Pull Range

APR

±50

ppm

1,2,3,9

Linearity

Lin

±7

%

2,4,9

Gain Transfer

+445

ppm/V

2,9

Temperature Stability

±100

ppm

1,7

Supply

Voltage (± 10%)

2.97

3.3

3.63

V

2,3

Current (Typical 50Ω Load)

73

mA

3

Current (No Load)

60

75

mA

3

Outputs

Mid Level

mV

2,3

Single Ended Swing

750

mV-pp

2,3

Differential Swing

1.5

V-pp

2,3

Current

20

mA

7

Rise Time

180

250

ps-pp

6,7

Fall Time

180

250

ps-pp

6,7

Symmetry

SYM

45

50

55

%

2,3

Spurious Suppression

85

90

dBc

7

Jitter (>491.52 MHz to <985.0 MHz)

φJ

150

fs-rms

7,8

Jitter (>245.76 MHz to <425.0 MHz)

φJ

190

fs-rms

7,8

Jitter (>122.88 MHz to <212.5 MHz)

φJ

280

fs-rms

7,8

Control Voltage

Input Impedance (Output Enabled)

123

k

Ω

7

Input Impedance (Output Disabled)

472

k

Ω

7

Modulation Bandwidth

BW

200

kHz

7

Operating Temperature

-40

+85

°C

1,3

Package Size

9.1 x 13.8 x 3.7

mm

1. See Standard Frequencies and Ordering Information (Pg 8).

2. Parameters are tested with production test circuit (Pg 3).

3. Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature.

4. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310.

5. The Vc Model is described below (Fig 1).

6. Parameters are described with waveform diagram below (Fig 2).

7. Not tested in production, guaranteed by design, verified at qualification.

8. For Frequencies >491.52 MHz, Jitter is Integrated across 50 kHz to 80 MHz.

For Frequencies <425.00 MHz, Jitter is Integrated across 12 kHz to 20 MHz. (Both per GR-253-CORE Issue3).

9. Tested with Vc = 0.3V to 3.0V.

Figure 1. Vc Model – Output Enabled

Figure 2. 10K LV-PECL Waveform

80%

20%

Vcc-1.5V

Vcc-1.3V

Vcc-1.1V

Vcc=+2V

-

+

Vc

123kΩ

1.65V

3pF