Model 9040-T(A) - L-3 Communications

• Baseband to Baseband
• IF to Baseband
• Baseband to IF
• IF to IF
FEATURES
• Variable Input Tuning Range
10 kHz to 400 MHz
• 200 MHz Bandwidth Available for
1000 MHz Input CF
• Input IF Fixed Frequencies of
.455/.85/1.7/6.8/8.83/10.7/13.6/21.4/
27.2/70/140/160/300/400 and
1000 MHz
• Variable Output Tuning Range of
10 kHz to 400 MHz
• Output Fixed Frequencies of
3/6/10/15/20/21.4/25/30/40/50/70140/
160/300/400 MHz
• Thirteen Standard Band
widths of 1/2/4/6/8/10/12/20/30/40/
50/60/80 MHz and a Bypass Mode
• Nine Selectable Output equalizers
Centered at 3/6/10/15/20/25/ 30/40
and 50 MHz
• Coherent Frequency Conversion
• Synthesized Tuning 1 kHz
Increments
• Imageless Mixers and Saw Filters
Utilized
www.L-3Com.com/COMINT
Model 9040-T(A)
Versatile Frequency Converter
PRODUCT DESCRIPTION
The Model 9040-T(A) is a synthesized frequency converter that is tunable
on both the input and output in 1 kHz steps. The excellent performance
characteristics of the imageless mixers make the wide tuning range
possible while controlling spurious signals and maintaining tight amplitude
requirements. Distortion due to group delay variations is minimized by the
use of multi-section group delay equalizers. Any specifi ed input can be
converted to any specifi ed output and the unit functions as an upconverter
or downconverter per the selected parameters. Each unit has IF to IF, IF to
Baseband, Baseband to IF and Baseband to Baseband capabilities.
The unit has the capability to convert any input frequency in the range of
10 KHz to 400 MHz including fi xed IF frequencies of .455/.85/1.7/6.8/8.83/
10.7/13.6/21.4/27.2/70/140/160/300/400 and 1000 MHz, to any output
frequency in the range of 10 kHz to 400 MHz including fi xed IF output
frequencies of 3/6/10/15/20/21.4/25/30/40/50/70/140/160/300 and
400 MHz. Imageless mixers are used for conversions of frequencies up
to the 120 MHz band edge. The image rejecting mixers are employed to
suppress undesired mixer products and to improve the signal to noise ratio
by suppression of the image band. Group delay equalizers are provided
for Output Center Frequencies of 3/6/10/15/20/25/30/40 and 50 MHz in the
standard 9040-T(A).
In addition to the up/down conversion capability, it can also function as a
selectable fi lter with up to thirteen bandwidths plus a bypass mode. The
standard 9040-T(A) contains 1/2/4/6/8/10/12/20/30/40/50/60/80 fi lters and
a Bypass mode. The Bypass mode is furnished to allow extra fl exibility
in situations where image rejection of 35 dB is acceptable. The signal
bandwidths are determined by the selected IF fi lter. Bandwidths of ±100%
of any center frequency in the tunable range can also be selected but are
limited by the bandedges of each band range. When an input IF is selected,
optimum performance will occur when a bandwidth that is less than the IF
center frequency is selected. A built-in indicator alerts the operator when the
center frequency selected is less than 1/2 the SAW fi lter’s 40 dB bandwidth.
The maximum bandwidth for the 1 GHz input CF is 200 MHz. The maximum
bandwidth for any other mode of operation is 80 MHz.

Quadruple Conversion is used, and
the tunable synthesizers and the local
oscillator are phase locked to the reference
oscillator, which may be either the internal
reference or an external reference
provided by the user. The synthesizer
allows selection in 1 kHz increments,
providing excellent resolution for centering
the output band. The converted signal is
upright and non-inverted. The integrity of
the converted data is protected by means
of the SAW fi lters that exhibit excellent
group delay characteristics.
Several modes for frequency and
bandwidth selection are available
including key pad entry, Up/Down arrow
key selection and a tuning knob for rapid
tuning, as well as full IEEE-488 control
capability. Both Input Frequency and
Output Frequency as well as Bandwidth
are displayed on front panel read outs.
A meter is provided to display input signal
level. Automatic and manual gain control
is furnished with the gain mode indicator
on the front panel. IEEE-488 control
is by means of logical and easy to use
Mnemonics, which directly and simply
specify the desired function. Internal
software routines perform and implement
all calculations to set up the synthesizers
and illegal or inconsistent combinations are
rejected.
The 9040-T(A) is housed in a standard
19” wide EIA housing. EMI/RFI integrity
is assured by the design which includes
gaskets, solid coaxial cables and a
machined housing for critical
sub-assemblies. The power line is isolated
by multi-section EMI/RFI fi lters to further
assure satisfactory performance in any
environment.
SPECIFICATIONS
Model 9040-T (A)
Versatile Frequency Converter
Number of Channels One
Input Tuning Range (Variable) 10 kHz to 400 MHz
(10 kHz to 120 MHz) Imageless Mixers
Input Fixed Frequency .455/.85/1.7/6.8/8.83/10.7/13.6/21.4/27.2/70/140/160/300/
400/1000 MHz
Output Tuning Range (Variable) 10 kHz to 400 MHz
(10 kHz to 120 MHz) Non-Imageless Mixers
Output Fixed Frequency 3/6/10/15/20/21.4/25/30/40/50/70/140/160/300/400 MHz
Tuning Resolution 1 kHz
*NOTE: All common IF frequencies such as 455 kHz, 21.4 MHz, 10.7 MHz,
70 MHz and 160 MHz can be selected on the input or the output as can any
of the FDM group, super group or master group frequencies. Entire TDM
bands or other signals with bandwidths up to 100 MHz can be processed.
Incremental Tuning Step Size Programmable for any 1 kHz resolution increment.
Selectable Bandwidths Up to thirteen bandwidths selectable bandwidths are available per
unit -1/2/4/6/8/10/12/20/30/40/50/60/80 MHz and Bypass are provided
in the standard 9040-T(A).
Input/Output Bandwidth +100/-97% of center frequency.
(Imageless Mode) Not to exceed 100 MHz or the band edges of 10 kHz to 120 MHz
Selectable Group Delay
Equalizers Nine group Delay OUTPUT Equalizers of 3/6/10/15/20/25/30/40/50
MHz center frequencies are provided in the standard 9040-T(A).
These group delay equalizers are in the output baseband section.
Group Delay Variations Over ±75% of Output Center Frequency
Output CF Group Delay
3 MHz ± 35 nanoseconds
6 MHz ± 16 nanoseconds
10 MHz ± 10 nanoseconds
15 MHz ± 8 nanoseconds
20 MHz ± 5 nanoseconds
25 MHz ± 4 nanoseconds
30 MHz ± 3.1 nanoseconds
40 MHz ± 4.2 nanoseconds
50 MHz ± 5 nanoseconds
*NOTE: The Group Delay specifi cations above are valid when unit is in the Output
TDE Mode and with NO SAW Filters or Imageless upconverters selected.
Anti-aliasing In the time-delay equalizer mode, anti-aliasing is available from both
the band pass fi lters and from a multi-section eliptical function low
pass fi lter that is an integral part of the time delay equalizer. When
the time delay equalizers are not in use, the anti-aliasing is derived
from the bandpass fi lters.
Amplitude Variation Less than ±1.5 dB over 75% Bandwidth for 3/6/10/15/20 MHz C.F.
Less than ±2 dB over 75% Bandwidth for 25/30/40 MHz C.F.
Less than ±2.2 dB over 75% Bandwidth for 50 MHz C.F.
Input Level (IF Frequencies) -56 dBm to +4 dBm
Output Level -30 dBm to +4 dBm
MGC Range 60 dB Minimum
AGC Range 60 dB Minimum
AGC Output Stability Less than ±1.0 dB output level change over the specifi ed input
signal range

SPECIFICATIONS
Model 9040-T (A)
Versatile Frequency Converter
Image Rejection/Undesired
Mixer Product Rejection Employs imageless mixers and SAW fi lters yielding rejection performance that is confi guration dependent. Typical measured
rejection is 35 dB from the imageless mixers and at least 40 dB from the SAW Filters giving a total 75 dB rejection outside the
40 dB IF shape factors listed below.
Typical Filter Performance
BW 3 dB BW 3 dB BW 1 dB BW 40 dB GD VAR
Min (MHz) Typ (MHz) Min (MHz) Max (MHz) ± nsec
*Measured at 30 dB Bandwidth
Frequency Stability Internal ± 25 ppm
1 1.04 0.77 2.2 50
2 2.071 1.65 3.9 23
4 4.217 3.7 6.0 23
6 6.3 5.6 8.4 25
8 8.18 7.3 10.6 36
10 10.35 9.3 13.0 30
12 12.2 11.1 15.0 18
20 20.4 18.8 25.0 10
30 32.2 29.7 40.0 8
40 40.1 37.0 50.0 6
50 56.5 47.5 73.0 5
60 64.7 60.0 81.0 5
80 81.7 64.0 113.0* 6
Phase Noise Less than 2 degrees RMS for 0.5 to 20 kHz Offset
Impedance - All Signal Ports 50 ohms
VSWR Input 1.5:1
Output 2.0:1
Total Harmonic Distortion Less than 2% with tone 6 dB below nominal output level
Two-tone Intermodulation
Products Greater than -40 dBc with each tone 6 dB below nominal output level
Spurious Output 50 dB down
LO Rejection 50 dB down typical when input CF is ≥ 40 dB BW ÷ 2 (Input Alert Light OFF)
External Reference Frequency Input Frequency 10 MHz
Input Level 0.5 Vms to 5.0 Vms
Input Impedenance 50 Ohms
VSWR 2.0:1
Connectors Signal Port connectors (all) BNC
External Reference Connector BNC
Control Connector IEEE-488 Standard (metal shell)
Controls: Local/Remote (1) Input Frequency (Tunable and Fixed Random Access)
(2) Output Frequency (Tunable and Fixed Random Access)
(3) Incremental Frequency Selection via UP/Down Arrow Keys
(4) Bandwidth and Bypass
(5) Imageless Mode
(6) AGC/MGC
(7) Input/Output Attenuation
(8) Local/Remote Operation
(9) Local Lockout*
(10) Explicit Time Delay Equalizer Selection (Remote Only)
(11) AC Power
*Local lockout can be disabled from a rear panel switch that will ignore a local lockout from a remote user. If the local lockout function is disabled from the rear
panel, pressing the local selection switch will ALWAYS cause the unit to return to local operation.

SPECIFICATIONS
Model 9040-T (A)
Versatile Frequency Converter
Indicators (Red LED) (1) Input Center Frequency Display
(2) Output Center Frequency Display
(3) “Alert” Indicator to indicate excessive Bandwidth selection
(4) Selected Bandwidth Display
(5) AGC/MGC
(6) LOCAL/REMOTE/LOCKOUT
(7) Incremental Tuning Steps
(8) EXTERNAL REFERENCE IN USE
(9) LO UNLOCK
(10) Input Attenuation level in MGC Mode
(11) Input overload
(12) AGC level is displayed on a 20-segment front panel bargraph when in AGC mode. The level driving this meter is
converted and made available to the IEEE-488 bus. In the MGC mode, this meter indicates the relative level of
input attenuation.
(13) Output Attenuation is displayed on two 7-segment displays. The information is also available over the IEEE-488
bus.
(14) Imageless
(15) Tuning Knob Disable
(16) Power On
Dimensions 7.0” x 19” x 22” (HWD)
Weight 55 lbs. (approximate)
NOTES:
1. Subsequent to loss of power, converter returns to Local control mode and restores all settings that were in effect at the time of power failure.
2. Under Remote control mode of operation, all local control functions are disabled except AC power switch and local selection switch
Environmental Storage Temperature 0° to +50° C
Relative Humidity 0 to 95% non-condensing
Environmental Operating Temperature 0° to +50° C
Relative Humidity 0 to 95% non-condensing
Power 90-264 VAC, Autoranging
47-440 Hz
150 Watts
For Additional Information Contact:
L-3 Communication Systems-East
One Federal Street, Camden, NJ 08103
Telephone: 856-338-INFO
Fax: 856-338-2550
E-mail: logen.thiran@L-3Com.com
or Visit our Website at:
http://www.L-3Com.com/COMINT
Cleared by DoD/DFOISR for Public Release under DFOISR case number 04-S-0865 on March 18, 2004
All Data and Specifi cations Subject to Change
COM9040TA-01/04