Test Equipment: Carrier to Noise Generators

Micronetics offers a functional replacement for the obsolete HP 3708A Noise and Interference Test Set. Micronetics' CNG 70/140, features, better EbNo accuracy, more functionality and an intuitive graphical user interface. It also features built-in math functions, eliminating the need to perform external calculations.

A side-by-side comparison of some of the specifications and functions are outlined below.

SPECS	HP 3708A	CNG 70/140
Functions	C/N, No, EbNo	C/N, C/I, C/No, Eb/No, No
Frequency	10 - 200 MHz	50 - 180 MHz
Input Range	-40 to +20 dBm	-40 to +20 dBm
Carrier Path Loss	0 dB	-7 dB (no amp in carrier path) 0 dB (stnd. option)
C/N Accuracy	0.5 to 0.3 dB dependent on C/N level	0.15 dB RSS
Carrier Attenuator	n/a	0 - 60 dB in 0.1 dB steps (stnd. option)
Constant Noise Mode EbNo vs BER	n/a	With Make before Break (stnd. option)
Injector Port	Yes	Yes (stnd option)
External Filter Capability	Yes	Optional
Display	Alpha Numeric	Color LCD
Bus Control	HP-IB	GP-IB or RS232
Bandwidth Entry	n/a	Yes
Annual Calibration	Manual	Built-in Software
Total Noise Power Status	n/a	On Front Panel and via GPIB

Additional product specifications

Information found within this document is subject to change without notification. HP 3708A Noise and Interference Test Set and other product and company names mentioned herein are the trademarks or registered trademarks of their respective companies. 9/01/01

Knowledge Base

HP3708A vs CNG70/140 Comparison

CNG Operating Manual

CNG Calibration Manual

Articles & White Papers

MWRF Properly Understanding Noise In Test Applications

Application Note 701: Maximizing Eb/No (C/N) Accuracy

Contacts

Domestic Contacts

International Contacts

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