Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com

Description

Page2

Dimensions in mm

Performance Specifications

Table 1. Electrical Performance

Parameter

Symbol

Min.

Typ

Max

Units

Output Frequency

f

O

845

MHz

V

DD

+1.8, 2.8, +3.0 or +3.3

V

Supply Current, 8 to 19.999MHz

20.000 to 31.9999MHz

32.000 to 45.000MHz

I

DD

1.5

2.0

2.5

mA

Operating Temperature, (Ordering Option)

T

OP

0/55, -10/60, -20/70, -30/80, -30/85, -40/85

°C

Stability Over T

OP

, (Ordering Option)

±0.5, ±1.0, ±.5, ±2.0, ±2.5, ±3.0, ±4.0, ±5.0

ppm

Initial Accuracy, “No Adjust” Option

±1.0

ppm

Power Supply Stability

±0.2

ppm

Load Stability

±0.2

ppm

Aging

±1.0

ppm/yr

Pull Range, (Ordering Option)

TPR

±5, ±8, ±10, ±12, ±15

ppm

Control Voltage to reach Pull Range

1.8V option

0.5

0.3

2.5

1.5

V

V

Control Voltage Impedance

500

Kohm

V

O

p/p

0.8

V

Output Load

10K II 10pF

Phase Noise, 10.000MHz

10Hz

100Hz

1kHz

10kHz

100kHz

-91

-116

-137

-149

-150

dBc/Hz

Start Up Time

10

ms

1. The VT-820 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor

2. The Output is DC coupled

Table 2. Pinout

Pin #

Symbol

Function

1V

C

TCXO Control Voltage or Ground

2,5,7,8

TCXO

PROG

TCXO Programming, DO NOT CONNECT

3

GND

Electrical and Lid Ground

4f

o

Output Frequency

6V

DD

Supply Voltage

Specifications

Outline Drawing

Recommended Pad Layout

5

12

3

78

64

2.5±0.1

3.2±0.1

1.60±0.1

2.5±0.1

0.9±0.1

0.45±0.1

0.6±0.1

1.3±0.1

0.08±0.1

1.27±0.1

1.32±0.1

1.02±0.1

1.0±0.1

0.8±0.1

Frequency

Date Code