M655 Series

Performance Specifications

Integrated Circuit Systems

Integrated Circuit Systems, Inc.

Communications Modules

www.icst.com/Comm-Modules

tel: 508-852-5400

2

Specifications @ Vcc = +3.3 Volts, Vee = 0 Volts, and Ta = +25°C unless otherwise specified

PARAMETER

Min

Typ

Max

Units

Output Frequency

155

900

MHz

Absolute Pull Range

±50

ppm

Frequency Stability (-40°C to 85°C)

+25/-150

ppm

Duty Cycle

45

55

%

Spurious Suppression-50

-60

dBc

Linearity

±6%

Logic Levels

Vcc - 1.95

Vcc - 1.63

Volts

Vcc - 0.98

Vcc - 0.75

Volts

Input Control Voltage (Vc) Range

0

Vcc

Volts

VCO Gain

200

ppm/V

Vc Input Impedance

8

12

KΩ

Vc Modulation BW

500

kHz

Clock/Output Enable (Pin 2)

2.0

Vcc +0.3

Volts

Clock/Output Disable (Pin 2)

-0.3

0.8

Volts

Output Rise Time

250

400

psec

Output Fall Time

250

400

psec

Jitter @ 155.520MHz offset from carrier

12kHz to 20MHz

0.230

psec rms

Jitter @ 622.080MHz offset from carrier

12kHz to 80MHz

0.458

psec rms

Phase Noise (offset from carrier)

100Hz

-65

dBc/Hz

1kHz

-95

dBc/Hz

10kHz

-120

dBc/Hz

100kHz

-140

dBc/Hz

Operating Temperature

-40

25

+85

°C

Supply Current

Icc

80

95

mA

Supply Voltage

Vcc

3.2

3.3

3.4

V

Notes: 1. Output levels are standard 10K ECL and are fully 100K ECL compatible.

2. Transition times are measured from 20% to 80% of a full 10K ECL level swing.

-170

-160

-150

-140

-130

-120

-110

-100

-90

1E+03

1E+04

1E+05

1E+0

Frequency in Hz

SPECIFICATIONS

Phase Noise