VC-710 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: Jan 17 2005

Electrical Performance

Parameter

Symbol

Min

Typical

Maximum

Units

Frequency

120

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

+25 ºC

Output Logic Low

+25 ºC

Vcc -1.025

Vcc -1.810

Vcc -0.950

Vcc -1.700

Vcc -0.880

Vcc -1.620

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

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, 65

ppm/V

Control Voltage Bandwidth (-3dB)

BW

20

100

kHz

Package Size

5.0 x 7.5 x 1.8

mm

50%

80%

20%

Figure 2. PECL Waveform

1

2

3

6

5

4

50Ω

50Ω

Test Circuit Notes:

1) To Permit 50Ω Measurement of Outputs, all DC Inputs are Biased Down 1.3V.

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

3) 50

Ω Terminations are Within Test Equipment.

(-1.3V to +2V)

(-1.3V)

(+2V)

COutput

Output

>1.4V or Open

Figure 1. Test Circuit ( 3.3 V)