Signal Forge 1000 Manual de usuario

User Manual …

Signal Forge 1000

Digitally Synthesized Signal Generator

Technical Support

Email: Support@signalforge.com

Phone: 512.275.3733

Contact Information

Web: www.signalforge.com

Customer Service Email: Sales@signalforge.com

Phone: 512.275.3733

Fax: 512.275.3735

Address: Signal Forge, LLC ▪2115 Saratoga Drive ▪Austin TX 78733

Table of Contents

INTRODUCTION ----------------------------------- 1

General Features --------------------------------- 1

Applications ---------------------------------------- 1

SPECIFICATIONS --------------------------------- 3

CONNECTIONS ------------------------------------ 4

Front Panel Connections ------------------ 4

Rear Panel Connections------------------- 5

GETTING STARTED ------------------------------ 6

Power Adapter------------------------------------- 6

Connecting the SF1000 to Your Computer- 6

Wave Manager Software------------------------ 6

Creating a Waveform----------------------- 7

Running the Waveform ------------------ 10

Saving Waveforms ------------------------ 10

Modifying Waveforms “On-The-Fly”-------- 10

Frequency Step Up, Step Down ------- 11

Power Level / Attenuation Control (dBm Base and

Offset) ---------------------------------------- 11

OUTPUT TYPES --------------------------------- 12

AC Coupled Output----------------------------- 12

Differential Output ------------------------------ 12

Digital Output ------------------------------------ 13

Operating Limits--------------------------------- 13

Operating Ranges ------------------------------ 14

WAVEFORMS ------------------------------------ 15

Single Tone--------------------------------------- 15

FSK Unramped ---------------------------------- 15

FSK Ramped------------------------------------- 16

FSK Triangle ------------------------------------- 17

FSK Arbitrary Waveform ---------------------- 17

ASK------------------------------------------------- 18

Sweep --------------------------------------------- 19

Square AM---------------------------------------- 20

Sine AM ------------------------------------------- 20

ARBITRARY WAVEFORMS ------------------ 22

Arbitrary Modulation Operation-------------- 22

Waveform Descriptors ------------------------- 22

Digital Descriptors ------------------------------ 22

Floating Point Descriptors -------------------- 22

Creating a Modulation File-------------------- 23

Digital Descriptors------------------------- 24

Sample File --------------------------------- 24

Uploading A Modulation File ----------------- 24

AUXILIARY UART ------------------------------- 26

CALIBRATION------------------------------------ 27

EXTERNAL CONTROL CONNECTOR ---- 28

Recommended Cables/Connectors -- 28

Connector Descriptions ------------------ 29

GENERAL SAFETY AND WARRANTY INFORMATION

-------------------------------------------------------- 31

To Avoid Fire or Personal Injury ------------ 31

Warranty ------------------------------------------ 31

SF1000E -------------------------------------------- 32

Clock Requirements ---------------------- 32

Reconfiguring SF1000E to SF1000 --- 32

POWER CONVERSION TABLES------------ 34

Table of Figures

Figure 1. Front Panel 4

Figure 2. Rear Panel 5

Figure 3. Wave Manager Main Menu 7

Figure 4. Waveform Creation Menu 7

Figure 5. Select New Waveform Menu 8

Figure 6. Edit Parameters Menu 8

Figure 7. Output Selection Menu 9

Figure 8. Edit Parameters Menu 9

Figure 9. Running New Waveform 10

Figure 10. Modify Active Waveform Menu 11

Figure 11. Modify Power Setting 11

Figure 12. AC-Coupled Output Driver 12

Figure 13. Differential Output Driver 13

Figure 14. Digital Output Driver 13

Figure 15. FSK Unramped Modulation 16

Figure 16. FSK Ramped Modulation 16

Figure 17. FSK Triangle Modulation 17

Figure 18. Example FSK Arbitrary Waveform 18

Figure 19. Sample - FSK Arbitrary Text File 18

Figure 20. ASK Operation 19

Figure 21. Example - Square AM Waveform 20

Figure 22. Example - Sine AM Waveform 21

Figure 23. Sample - Arbitrary Modulation File 24

Figure 24. Enable Arbitrary Waveform Option 24

Figure 25. Upload Arbitrary Waveform File 25

Figure 26: Auxiliary UART Usage 26

Figure 27: External Control Header Pin Locations 28

Figure 28: External Control Pin Filter 29

Figure 29: FSK Control Pin Operation 30

Figure 30: FSK Control Pin Operation 32

Figure 31: SF1000 to SF1000E Jumper Positions 33

Table of Tables

Table 1. Operating Ranges 14

Table 2. Sine AM Samples per Cycle Table 21

Table 3. Arbitrary Waveform: Max. Sample Rate 22

Table 4. Digital Descriptor Definitions 24

Table 5. External Control Header Pinout 28

Table 6. External Control Header 32

Table 7. RF Power Conversion Table 34

S F 1 0 0 0 U S E R M A N U A L

Introduction

The Signal Forge 1000 Digitally Synthesized Signal Generator is a low-cost, high performance signal and function

generator, which includes three dedicated outputs and several key functions into a single unit. The AC-coupled,

Digital and Differential outputs and 1 GHz range make the Signal Forge 1000 ideal for a wide range of test

applications, from RF receiver calibration to margin testing of integrated circuits.

Waveform modulation features include frequency generation, frequency sweep, frequency modulation, amplitude

modulation and arbitrary modulation.

An integral TCXO oscillator ensures a high level of precision and accuracy.

A wide, stable frequency range with AC-coupled, differential, and digital outputs with selectable TTL voltage levels, in

a small, easy to use package combine to make the Signal Forge 1000 (SF1000) the ideal tool for a full range of RF

and digital electronics test and development applications.

General Feature

The Signal Forge 1000 supports the following features:

1 Hz to 1 GHz frequency range

AC-coupled, Digital and Differential outputs

Sine wave , Square wave

Linear Sweep

FM, AM, FSK, OOK, ASK and Arbitrary modulation modes

External and internal control of Start, FSK, OOK and ASK

TCXO oscillator provides high level of stability and accuracy

Wave Manager software pre-installed on SF1000 (no client software needed)

Auto-run feature ideal for PC–free test operation

Small, portable package (8.5” x 5.4” x 1.5”)

Application

The list below shows some of the possible applications where the Signal Forge 1000 may be used:

Digital output in sweep mode can be used to test setup and hold of digital systems—ICs and circuit boards—up

to 110 MHz

Differential output can used to test digital systems—ICs and circuit boards—up to 1 GHz

Programmable clock generator

IF and RF sections of receivers as well as the mobile bands up to 1 GHz and some telemetry bands

Test amplifiers for gain and for the 1 dB compression point

Chapter

S F 1 0 0 0 U S E R M A N U A L

Portable, bench top and ATE system applications

Local Oscillator (L.O.) source

Receiver calibration

FSK and frequency sweep may be used to test FM receivers

RF exciter

Test low frequency filters (down to 1 Hz)

S F 1 0 0 0 U S E R M A N U A L

Specification

Frequency Range…………………………………….1 Hz to 1 GHz

Frequency Resolution................................................ 1 Hz

Amplitude Range……………………………………..500 mV to 63 mV

Amplitude Resolution................................................. 1 dB

Power Range (AC Output)........................................ 9 to +7 dBm

Power Output Accuracy (AC Output)....................….±2 dB from 100 KHz to 300 MHz

±3 dB from 300MHz to 1 GHz

Frequency Drift per hour (After warm-up)................. 0.0002 %

Frequency Stability............................................... …. 0.001 % - Over temperature of range of

15-35 ºC ambient

Frequency resolution ………………………………....4ppm (based on ±2.5ppm TCXO)

Frequency accuracy …………………………………5ppm (calibrated with a 1ppm frequency

counter)

Frequency stability……………………………………TCXO May drift 3ppm in the first year then

1ppm/year thereafter

Phase Noise: -50 dBc/Hz @ 10 KHz Offset

-73 dBc/Hz @ 100 KHz

-90 dBc/Hz @ 1000 KHz

Harmonics:

2 MHz to 50 MHz.......................................< -40 dBc

50 MHz to 100 MHz.....................................< -40 dBc

100 MHz to 300 MHz....................................< -35 dBc

300 MHZ to 500 MHz……………………….<- 20dBc

500 MHz to 1GHz........................................ < -20 dBc

Non-Harmonics:

100 KHz to 100 MHz......................…………< -50 dBc

100 MHz to 500 MHz....................................< -30 dBc

500 MHz to 1GHz….....................................< -30 dBc

Clock feed-through.....…............................................ < -85 dBm

Output Match (VSWR)

1 MHz to 7 MHz……….................................< 1.5:1 @ +7 dBm output

7 MHz to 1 GHz….........................................< 1.3:1 @ +7dBm output

Chapter

S F 1 0 0 0 U S E R M A N U A L

External Control Header

Input Voltage………………………………… 3.3V (5V Tolerant)

Output voltage (TX_MOD pin)……………….5V

Note

Output ratings at 100 MHz, 0 dBm output power and 25 ºC, unless otherwise specified

Note

Allow the SF1000 to warm up (TCXO soak) for 1 hour before use to achieve maximum stability.

Connection

Front Panel Connection

Figure 1. Front Panel

Differential Outputs. Two SMA connectors for driving the differential clock output. LVPECL compatible, 50 MHz to 1

GHz.

A/C Coupled Output. One SMA connector for driving the AC coupled, unfiltered, sine wave output with a frequency

range of 100 KHz to 1 GHz.

Digital Output. BNC connector. Digital voltage levels supported are: TTL, LVTTL, STTL over a frequency range of 1

Hz to 110 MHz.

External Control. Dual-row 10-position header provides 10 two-pin connectors for:

Remote START

Frequency Shift Keying (FSK) control

Differential Clock On/Off Keying (OOK) control

AC-coupled OOK control

ASK control (AC Coupled output only)

Remote START control

The recommended connectors for the External Control are:

- 20-pin Connector and Cable Assembly: AMP, P/N: A1AXG-2436G-ND.

- 2-pin Connector: Molex, P/N: WM2601-ND.

- Both items may be purchased from It may be purchased from www.Digi-Key.com.

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