VC-501 Voltage Controlled Crystal Oscillator

Vectron International, 267 Lowell Rd, Hudson NH 03051-4916

Tel: 1-88-VECTRON-1

Website: www.vectron.com

Page 2 of 6

Rev: 4 20Sep2004

Electrical Performance

Parameter

Symbol

Min

Typical

Maximum

Units

Frequency

100.000

155.52

200

MHz

Supply Voltage

(+3.3 V)

3.135

3.3

3.465

V

Supply Current

50

90

mA

Output Logic Levels

Output Logic High

0/70 ºC

Output Logic Low

0/70 ºC

Output Logic High

-40/85 ºC

Output Logic Low

-40/85 ºC

V

V

V

V

Transition Times

Rise Time

Fall Time

0.5

0.5

1

1

ns

ns

Symmetry or Duty Cycle

SYM

45

50

55

%

Operating temperature (ordering option)

0/70 or

–40/85

C

Jitter (12 kHz

–20 MHz BW), 155.52 MHz

0.3

1

ps (rms)

Jitter (50 kHz

–80 MHz BW), 155.52 MHz

0.5

ps (rms)

10 Hz offset

100 Hz offset

1kHz offset

10 kHz offset

100 kHz offset

1 MHz offset

10 MHz offset

-64

-95

-123

-143

-146

-146

-146

dBc/Hz

dBc/Hz

dBc/Hz

dBc/Hz

dBc/Hz

dBc/Hz

dBc/Hz

Test Conditions for APR (+3.3V)

0.3

3.0

V

Absolute Pull Range (APR)

APR

+ 50

ppm

Gain Transfer

Positive

100

ppm/V

Control Voltage Bandwidth (-3dB)

BW

20

kHz

Package Size

14.0 x 9.0 x 4.5

mm

50%

80%

20%

Figure 2. PECL Waveform

1

2

3

6

5

4

50

50

Test Circuit Notes:

1) To Permit 50 Measurement of O utputs, all DC Inputs are Biased Down 1.3V.

2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.

3) 50 Terminations are W ithin Test Equipment.

(-1.3V to +2V)

(-1.3V)

(+2V)

CO utput

O utput

>1.4V or O pen

Figure 1. Test Circuit ( 3.3 V)