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Excellent noise characteristics and low spurious signals for a wide range of critical measurements
Signal Sources
2040 Series Low Noise Signal Generator
• Wide band cover:
10 kHz to 1.35 GHz (2040)
10 kHz to 2.7 GHz (2041)
10 kHz to 5.4 GHz (2042)
• Low residual FM noise: 0.3 Hz RMS at
1 GHz
• Low spurious signals: –90 dBc
non-harmonics
• Low phase noise: –140 dBc/Hz at 1 GHz
• Comprehensive modulation modes
• +13 dBm output (+19 dBm optional)
• 0.1 Hz to 500 kHz modulation oscillator
• Comprehensive frequency and amplitude
sweep capabilities
The 2040 series of low noise signal generators
covers a wide range of frequencies from 10 kHz
to 1.35 GHz (2040), 10 kHz to 2.7 GHz (2041)
and 10 kHz to 5.4 GHz (2042). With a choice of
operating modes, two low noise modes for
improved SSB phase noise and normal mode
for increased flexibility, the 2040 series can be
used in a wide variety of applications.
Microprocessor control coupled with a large
screen dot matrix display provides ease of use
via menu driven displays. Set up time is further
reduced by recalling previously stored instrument settings from the non-volatile memory.
Remote programming via the GPIB is provided
as a standard feature, allowing the instruments
to be incorporated in automatic test systems.
Excellent Spectral Purity
The excellent noise characteristics and the low level of spurious signals of the 2040 series enable the instruments to be used with confidence for a wide range of critical measurements.
Low SSB Phase Noise
With a specified SSB phase noise per formance of better than
–140 dBc/Hz at 20 kHz offset from a carrier of 1 GHz, the 2040
series of signal generators is easily able to measure UHF receiver
selectivities beyond 90 dB.
The low residual FM noise figure (less than 0.3 Hz RMS at 1 GHz)
gives the 2040 series the capability of measuring UHF receiver signal to noise ratios as high as 80 dB.
Typical phase noise performance at 1 GHz
Low spurious signal content
A specified non-harmonic spurious signal content of –90 dBc
ensures the suitability of the 2040 series for the most demanding
measurements on modern receivers and RF systems.
Display
A large screen, dot matrix liquid crystal display, with backlighting,
offers excellent clarity and low power consumption.
The parameters displayed on the screen depend on the operating
mode selected; for example in the Signal Generator mode, carrier frequency, modulation and RF level are shown in separate horizontal
regions. Status information is also shown with error messages being
displayed in a single line at the top of the screen.
Frequency selection
Carrier frequency entry is selected via a soft key option on the signal
generator screen and data is then entered directly via the keyboard.
Frequency is resolved to within 0.1 Hz across the complete range of
the instrument. Carrier frequencies can be stored in the non-volatile
memory for recall at any time. A CARRIER ON-OFF switch is provided to completely disable the output.
RF Output
RF output up to +13 dBm can be set by direct keyboard entry with a
resolution of 0.1 dB or better over the entire range. An extended hysterisis facility allows for extended electronic control of RF output level
without introducing mechanical attenuator transients when testing
squelch systems and an overrange facility allows the generator to produce RF levels above the normal operating range. A high output
option is available to extend the maximum calibrated level to
+19 dBm on 2040.
A low intermodulation mode can be selected which disables the RF
levelling system and improves the intermodulation performance
when combining the outputs of two signal generators.
50 W Protection
An electronic trip protects the generator output against reverse power
of up to 50 W, preventing damage to output circuits when RF or DC
power is accidentally applied. This feature contributes to long unit
life and low cost of ownership.
VERSATILE MODULATION CAPABILITIES
Comprehensive amplitude, frequency (plus Wideband FM), phase
and optional high speed pulse modulation are provided for testing all
types of receivers.
Modulation Oscillator
An internal modulation oscillator is provided with a frequency range
of 0.1 Hz to 500 kHz, resolved to 0.1 Hz. In addition to the normal sine
wave output an alternative triangular or square waveform may be
selected for sweep applications. A second oscillator may be added as
an option. Two independent BNC inputs on the front panel allow
external modulation signals to be mixed with the internal signal(s)
allowing a maximum of four modulation channels to be active at one
time.
Modulation Modes
Four modulation modes are provided – single, dual, composite and
dual composite. In the single mode only one type of modulation can
be active at any time. Selecting alternative modulation cancels any
other active modulation. In the dual mode two types of modulation
may be obtained allowing one form of frequency modulation to be
combined with one form of amplitude modulation. In the composite
mode, only one type of modulation can be active, and is fed by two
independent channels. The dual composite mode combines the facilities of the dual mode with the composite mode and provides two
types of modulation each fed from two sources.
Frequency and Phase Modulation
The wide range frequency modulation capability provides a 1 dB
bandwidth of 300 kHz and provides FM deviation up to a maximum
of 1 MHz for frequencies up to 21 MHz, 1% of carrier frequency elsewhere. Phase modulation is also available with a 10 kHz bandwidth up
to a maximum of 10 radians.
Both AC and DC coupled FM are available and in the DC coupled
mode a patented offset correction system elimin ates the large carrier
frequency offsets that occur with normal signal generators. As a
result the 2040 series signal generators can be used confidently for
testing tone and message paging equipment.
Wideband FM
Broadband frequency modulation with a 3 dB bandwidth of 10 MHz
is provided via a rear panel BNC socket. This is ideal for tests on
equipment using frequency shift keying for high speed digital transmission.
Amplitude and Pulse Modulation
Amplitude modulation with a 1 dB bandwidth of 30 kHz and with
modulation depths of up to 99.9% is available with a resolution of
0.1%. Fast pulse modulation is available as an option with rise and fall
times of less than 25 ns and a 70 dB on/off ratio.
Modulation Levelling
An automatic level control facility is provided for both of the external
modulation inputs and provides correctly calibrated modulation for
input levels varying from 0.7 to 1.4 V RMS. Hl and LO indications
show when the input level is outside the range of the ALC system.
Tone Signaling
The signaling facility allows testing of radios with DTMF, sequential
and sub-audible tone capability. A wide range of tone system standards are built in and provision is also made for user definable standards to cover special requirements. Tone sequences can be set up
with up to 16 tones in length and the complete sequence can be sent
from 1 to 9 times or set to repeat on a continuous basis. Sub-audible
tones are normally used in the composite modulation mode where the
modulation level for the tone and the in-band modulation can be set
independently.
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Delta Display
The Delta menu allows the increment values for all the parameters to
be set and also includes a TOTAL SHIFT key to show the variations
in the parameters from their last keyed in value, a RETURN key to
reset the selected parameter to its start value and a TRANSFER key
to update the para meter value to equal the shifted value.
FREQUENCY AND LEVEL SWEEP
The digital sweep capability of the 2040 series allows dynamic testing
of systems and includes capabilities for sweeping carrier frequency,
RF level, LF frequency and LF level. Four parameters are entered to
specify the sweep – start value, stop value, number of steps and time
per step.
Markers and Ramp Output
Five markers may be defined and a marker output is provided on a
rear panel socket together with a 0 to 10 V ramp signal for driving the
X axis of an oscilloscope or X-Y plotter.
Option 8 provides additional sweep capabilities which allow the step
size, step time and RF level to be entered.
Start/Stop
A single key press starts the sweep and a horizontal bar graph on the
display shows the progress of the sweep. The sweep can be stopped
at any time and the Up/Down keys used to step forwards or backwards
for search purposes. Transfer of the current sweep value into the signal generator or LF modes for more detailed analysis is also possible.
The sweep facility can be used in conjunction with a simple X-Y display unit, an oscilloscope or an X-Y plotter.
POWERFUL NON-VOLATILE MEMORY
True non-volatile memory needing no battery back-up is fitted to the
2040 series and is used to store details of instrument settings and calibration information.
Instrument Settings
Details of instrument settings are stored in four areas of memory.
One area stores 50 complete instrument settings (including data on
parameters which are not currently active), a second area stores 50
partial settings (consisting of details about the currently active
parameters), a third area stores details of 100 carrier frequency values
and a fourth area stores details of 20 sweep settings. Facilities are
provided to prevent the memories from being accidentally overwritten and for recalling a specified memory at switch-on.
Calibration Data
In addition to storage and recall of measurement settings, the nonvolatile memory contains data on instrument status and calibration.
All calibration data on RF level, FM accuracy, internal frequency standard adjustment and modulation are retained and may be altered
from the front panel or via the GPIB after disabling the software protection. Status information stored includes the identity string (type
and serial number), choice of internal/external standard, GPIB
address, elapsed time and a date alarm for calibration due reminders.
GPIB 488.2 PROGRAMMING
A GPIB interface is fitted as standard so that all functions are controllable over the bus. The instruments function as talkers as well as
listeners and the interface has been designed in accordance with the
IEEE 488.2 standard.
SIMPLE CALIBRATION
The 2040 has a two year recommended calibration interval, with all
routine calibration adjustments carried out without removing the
instrument covers. The calibration display is available via soft key
selection in the utilities menu.
Low Cost of Ownership
In keeping with the IFR philosophy of cost effectiveness with innovation, the 2040 series has been designed for minimal maintenance and
low operating costs. The two year calibration interval combined with
the high reliability ensures a low overall cost of ownership.
OPTIONS EXTEND RANGE OF APPLICATIONS
The standard features may be supplemented by taking advantage of
the various options available.
Option 1 - Second Modulation Oscillator
An additional modulation oscillator can be fitted to the 2040 series to
enable greater flexibility. This second oscillator has the same specification as the first and allows full use of complex modulation modes
and is particularly useful where two tone modulation is required.
Option 2 - Pulse Modulation
This optional facility allows radar RF and IF stages to be tested and
features rise and fall times of less than 25 ns with an on/off ratio of
better than 70 dB.
Option 3 - +19 dBm RF Output Level
A high output option is available for 2040 and provides an extra 6 dB
of output level making it ideal for use as a local oscillator or in testing
passive components.
Option 6 - Avionics
This optional facility provides for the internal generation of modulation waveforms suitable for the testing of Instrument Landing
Systems (ILS) and VHF Omni Range (VOR) beacons. Additional
modes of operation support the testing of ADF, Marker Beacons and
the SELCAL signaling system.
Option 8 - RF Profiles and Complex Sweep
The RF Profile facility allows the signal generator to compensate for
frequency dependent level errors introduced by cables, amplifiers and
signal combiners. The Complex Sweep facility allows for the generation of sweeps whose step size, step time and RF level changes while
the sweep is in progress. These features are particularly useful for
EMC, Tempest and ATE applications.
Option 11 - Electronic Attenuator
An electronic attenuator option is available to meet demanding
extended life requirements for repetitive switching, found in high volume production applications
SPECIFICATION
GENERAL DESCRIPTION
2040 series signal generators cover the frequency ranges 10 kHz to
1.35 GHz, 10 kHz to 2.7 GHz and 10 kHz to 5.4 GHz. A large screen
dot matrix display with soft key function selection allows flexibility of
operation and ease of use. The output may be amplitude, phase or
frequency modulated with pulse modulation available as an option.
Modulation is available using a combination of an internal synthesized
LF oscillator with up to two external signal inputs. A second internal
source is available as an option.
CARRIER FREQUENCY
Range
10 kHz to 1.35 GHz (2040).
10 kHz to 2.7 GHz (2041).
10 kHz to 5.4 GHz (2042).
Overrange
Selectable overrange mode allows uncalibrated levels up to +19 dBm
to be generated (typically up to +25 dBm for 2030/40 with Option
003 fitted).
Selectable extended hysterisis provides for uncalibrated RF level control
with up to 24 dB range without level interruption.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control.
Indication
11 digits with annunciators.
Resolution
0.1 Hz.
Accuracy
As frequency standard.
Phase Incrementing
The carrier phase can be advanced or retarded in steps of p/128 radians (approximately 1.4°) using the rotary control.
RF OUTPUT
Range
–144 dBm to +13 dBm.
When AM is selected the maximum output level reduces linearly with
AM depth to +7 dBm at maximum AM depth.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control. Units may be µV, mV, V EMF or PD; dB relative to 1 µV, 1 mV
EMF or PD; dBm.
Conversion between dB and voltage units may be achieved by pressing
the appropriate units key (dB, or V, µV, mV).
Indication
4 digits with unit annunciators.
Resolution
0.1 dB.
Accuracy At 22°C ±5°C
<1.35 GHz <2.7 GHz <5.4 GHz
>0 dBm ±0.5 dB ±0.7 dB ±1 dB
>-100 dBm ±0.85 dB ±1 dB ±1.5 dB
>-127 dBm ±0.85 dB ±1 dB -
Temperature
stability dB/°C
±0.005 ±0.01 ±0.02
VSWR
For output levels less than 0 dBm:
Less than 1.25:1 to 2.2 GHz.
Less than 1.4:1 to 2.7 GHz.
Less than 1.5:1 to 5.4 GHz.
Output Protection
Reverse power of 50 W from a source VSWR of up to 5:1.
NOISE MODES
Three noise modes are offered with the following characteristics:
Low Noise Mode 1
Lowest phase noise with a restricted FM deviation capability and
reduced AM bandwidth.
Low Noise Mode 2
Low phase noise with restricted FM deviation capability and full AM
bandwidth.
Normal Mode
Full FM deviation capability and AM bandwidth.
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SPECTRAL PURITY
At RF levels up to +7 dBm:
Harmonics
2040, 2041:
Better than –30 dBc to 1 GHz;
Better than –27 dBc above 1 GHz.
2042:
Better than –30 dBc to 1 GHz;
Better than –27 dBc to 1.35 GHz;
Better than –25 dBc above 1.35 GHz.
Sub-Harmonics
Better than –90 dBc to 1.35 GHz.
Better than –40 dBc to 2.3 GHz.
Better than –30 dBc to 5.4 GHz.
Non-Harmonics (offsets greater than 3 kHz)
In low noise modes:
Better than –70 dBc up to 21.09375 MHz.
Better than –90 dBc from 21.09375 MHz to 2.7 GHz.
Better than –84 dBc above 2.7 GHz.
In normal mode:
Better than –70 dBc.
Residual FM (FM off)
Low noise mode: Less than 0.3 Hz RMS deviation in a 300 Hz to
3.4 kHz unweighted bandwidth at 1 GHz
Normal mode: Less than 7 Hz RMS deviation in a 300 Hz to 3.4 kHz
unweighted bandwidth at 470 MHz.
SSB
Φ
Noise
Carrier Frequency SSB Phase Noise in dBc/Hz at
Range offset frequencies of:
100 Hz 1 kHz 20 kHz & Above
<1.35 GHz -75 -115 -140
<675 MHz -81 -121 -140
<337.5 MHz -87 -121 -140
<168.7 MHz -92 -127 -143
<84.3 MHz -96 -131 -143
<42.1 MHz -96 -131 -143
<21 MHz -82 -127 -140
RF Leakage
Less than 0.5 mV PD at the carrier frequency in a two turn 25 mm
loop 25 mm or more from any part of the case.
FM on AM
Typically less than 100 Hz for 30% AM depth at a modulation frequency of 1 kHz and a carrier frequency of 500 MHz.
Φ
M on AM
Typically less than 0.1 radians at a carrier frequency of 500 MHz for
30% AM depth for modulation rates up to 10 kHz.
MODULATION MODES
Four modulation modes are available:
Single
FM, Wideband FM,
Φ
M, AM or Pulse (optional).
Dual
Two independent channels of differing modulation type (e.g. AM with
FM).
Composite
Two independent channels of the same modulation type (e.g. FM1
with FM2).
Dual composite
A combination of Dual and Composite modes providing four independent channels (e.g. AM1 with AM2 and FM1 with FM2).
FREQUENCY MODULATION
Deviation
Peak deviation available varies with carrier frequency and noise mode
selected as follows:
Maximum FM Deviation available:
Carrier Frequency Range Normal Mode Low Noise Modes
2.7 to 5.4 GHz 27-54 MHz* 200 kHz
1.35 to 2.7 GHz 13.5-27 MHz* 100 kHz
675 to 1350 MHz 6.75-13.5 MHz* 50 kHz
337.5 to 675.0 MHz 3.375-6.75 MHz* 25 kHz
168.75 to 337.5 MHz 1.687-3.375 MHz* 12.5 kHz
84.375 to 168.75 MHz 843-1687 kHz* 6.25 kHz
42.1875 to 84.375 MHz 421-843 kHz* 3.125 kHz
21.09375 to 42.1875 MHz 210-421 kHz* 1.56 kHz
10 kHz to 21.09375 MHz 1 MHz 6.25 kHz
*Maximum FM deviation available is 1% of carrier frequency value when in normal noise mode.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control.
Indication
3 digits with annunciators.
Displayed Resolution
1 Hz or 1 least significant digit, whichever is greater.
Accuracy at 1 kHz
In low noise modes:
±6% of indication ±1 Hz excluding residual FM.
In normal mode:
±5% of indication ±10 Hz excluding residual FM.
Bandwidth (1 dB)
DC to 300 kHz (DC coupled).
10 Hz to 300 kHz (AC coupled).
Bandwidth is limited to 100 kHz in low noise modes.
Input is capable of accepting external sources of FSK signals. Typical
3 dB bandwidth in normal mode is greater than 1 MHz.
Group delay
Less than 1
µ
s from 3 kHz to 500 kHz in normal mode.
Less than 3
µ
s from 3 kHz to 250 kHz in low noise modes.
Carrier Frequency Offset
In DC FM mode less than ±(1 Hz +0.1% of set deviation) after using
DC FM nulling facility.
Distortion
Using external modulation without ALC:
Less than 3% at maximum deviation for modulation frequencies up to
20 kHz.
Less than 0.3% at 10% of maximum deviation for modulation frequencies up to 20 kHz.
Modulation Source
Internal LF generator or external via front panel sockets.
WIDEBAND FM
Deviation
As FM.
Indication
3 digits with annunciators.
Selection
By keyboard entry of data. The sensitivity is controlled in 3 dB steps
and the display will indicate the value of deviation nearest to the
requested value.
Input level
1 V RMS to achieve indicated deviation.
Accuracy
As FM.
3 dB Bandwidth
In normal noise mode typically 10 MHz (DC or AC coupled).
In low noise modes typically 250 kHz
(DC or AC coupled).
Group delay
Less than 0.5
µ
s from 3 kHz to 10 MHz in normal modes.
Modulation Source
External via rear panel socket (50
Ω
impedance).
PHASE MODULATION
(Normal mode only)
Deviation
0 to 10 radians.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control.
Indication
3 digits with annunciators.
Resolution
0.01 radians.
Accuracy at 1 kHz
±5% of indicated deviation excluding residual phase modulation.
3 dB Bandwidth
100 Hz to 10 kHz.
Distortion
Less than 3% at maximum deviation at 1 kHz modulation rate.
Modulation Source
Internal LF generator or external via front panel sockets.
AMPLITUDE MODULATION
For Carrier Frequencies up to 1 GHz:
Range
0 to 99.9%.
Selection
By keyboard entry of data. Variation by up/down keys and by rotary
control.
Indication
3 digits with annunciator.
Resolution
0.1%.
Accuracy
±4% of setting +1%.
1 dB Bandwidth
In normal and low noise mode 2:
With Modulation ALC off; DC to 30 kHz in DC coupled mode and
10 Hz to 30 kHz in AC coupled mode.
Typical modulation bandwidth exceeds 50 kHz.
In low noise mode 1:
With Modulation ALC off; Useable from DC to 1.5 kHz in DC coupled
mode and 10 Hz to 1.5 kHz in AC coupled mode.
Distortion
For a modulation rate of 1 kHz:
Less than 1% total harmonic distortion for depths up to 30%.
Less than 3% total harmonic distortion for depths up to 80%.
Modulation Source
Internal LF generator or external via front panel sockets.
MODULATION OSCILLATOR
Frequency Range
0.1 Hz to 500 kHz.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control.
Indication
7 digits with annunciators.
Resolution
0.1 Hz.
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Frequency Accuracy
As frequency standard.
Distortion
Less than 0.1% THD in sine wave mode at frequencies up to 20 kHz.
Alternative Waveform
A triangular wave is available for frequencies up to 100 kHz and a
square wave up to 2 kHz.
Signaling Tones
The modulation oscillator can be used to generate sub-audible or
sequential (up to 16 tones) signaling tones in accordance with EIA,
ZVEI, DZVEI, CCIR, EURO 1, EEA, NATAL and DTMF* standards.
Facilities are also available for creating and storing user defined tone
systems.
* Requires second modulation oscillator (Option 001) to be fitted.
EXTERNAL MODULATION
Two independent inputs on the front panel with BNC connectors, EXT
MOD 1 and EXT MOD 2. The modulation is calibrated with 1 V RMS
sine wave applied. Input impedance 100 k
Ω
nominal.
MODULATION ALC
The EXT MOD 1 and EXT MOD 2 modulation inputs can each be levelled by an ALC system.
Level Range
0.7 V RMS to 1.4 V RMS sine wave.
Distortion
Less than 0.1% additional distortion for frequencies up to 20 kHz (typically less than 0.1% up to 50 kHz).
1 dB Bandwidth
Typically 10 Hz to 500 kHz.
LF OUTPUT
Front panel BNC connector. The output may be configured in the LF
Generator Mode to give an output from the internal modulation oscillator and in the LF Monitor Mode to give an output from the internal
modulation signal paths.
Selection
By keyboard entry of data. Variation by UP/DOWN keys and by rotary
control.
Indication
7 digits with unit annunciators for frequency and 4 digits with unit
annunciators for level.
Level
100 µV to 5 V RMS with a load impedance of greater than 600
Ω
.
100 µV to 1.4 V RMS with a load impedance of greater than 50
Ω
.
Common mode voltage
±0.5 V maximum.
Source impedance
5.6
Ω
nominal.
Level Accuracy at 1 kHz
With a load impedance of greater than 10 k
Ω
:
+5% for levels above 50 mV and ±10% for levels from 500 µV to
50 mV.
Frequency Response
Typically better than ±1 dB from 0.1 Hz to 300 kHz.
SWEEP
Not available in low noise mode.
Control Modes
Start/stop values of selected parameter.
Number of steps.
Time per step.
Step Time
1 ms to 10 s per step.
Sweep Ramp
Synchronized analog ramp with an amplitude of nominally 0 to 10 V
peak on rear panel BNC connector.
Markers
Five user selectable markers for frequency or level provide an indication when specified parameter values have been reached. Output 0 V
to + 5 V from 600
Ω
on rear panel BNC socket.
Trigger
Rear panel BNC connector. Applying 0 V or a switch closure starts the
sweep or steps from point to point on the sweep. Socket is internally
connected via 10 k
Ω
pull-up resistor to +5 V.
FREQUENCY STANDARD (OCXO)
Frequency
10 MHz.
Temperature Stability
Better than ±5 in 10
8
over the operating range of 0 to 50°C.
Warm up time
Within 2 in 107of final frequency within 10 minutes from switch on at
20°C ambient.
Ageing Rate
Better than 2 in 10
7
per year.
Output
Rear panel BNC socket provides an output at frequencies of 1, 5 or
10 MHz with a nominal 2 V pk-pk level into 50
Ω
.
External input
Rear panel BNC socket accepts an input at 1, 5 or 10 MHz with an
input level in the range 220 mV to 1.8 V RMS into 1 k
Ω
.
GENERAL
GPIB INTERFACE
A GPIB interface designed in accordance with IEEE 488.2 is fitted as
standard.
Capabilities
Complies with the following subsets as defined in IEEE Std.488.1.
SH1, AH1, T6, L4, SR1, RL1, PP0, DC1, DT1, C0, E2.
ELECTROMAGNETIC COMPATIBILITY
Conforms with the protection requirements of the EEC Council Directive
89/336/EEC. Conforms with the limits specified in the following standards:
IEC/EN61326-1 : 1997, RF Emission Class B, Immunity Table 1,
Performance Criteria B
SAFETY
Conforms with the requirements of EEC Council Directive 73/23 EEC
(as amended) and the product safety standard IEC / EN 61010-1 :
2001 + C1 : 2002 + C2 : 2003 for class 1 portable equipment, for
use in a Pollution Degree 2 environment. The instrument is designed
to be operated from an Installation Category 2 supply.
RATED RANGE OF USE
(Over which full specification is met)
Temperature
0 to 55°C.
Humidity
Up to 93% at 40°C.
CONDITIONS OF STORAGE AND TRANSPORT
Temperature
–40 to +71°C.
Humidity
Up to 93% relative humidity at 40°C.
Altitude
Up to 4600 m (15,000 ft).
POWER REQUIREMENTS
AC supply
Four voltage settings covering:
100 V~ (Limit 90 - 115 V~)
120 V~ (Limit 105 - 132 V~)
220 V~ (Limit 188 - 242 V~)
240 V~ (Limit 216 - 264 V~)
Frequency: 50 - 400 Hz (Limit 45 - 440 Hz) 180 VA max
CALIBRATION INTERVAL
2 years.
DIMENSIONS AND WEIGHT
(Over projections but excluding front panel handles)
Height Width Depth Weight
152 mm 425 mm 525 mm 21 kg
6 in 16.6 in 20.5 in 46 lb
OPTIONS
OPTION 1 - SECOND MODULATION OSCILLATOR OPTION
Specification as Modulation Oscillator.
OPTION 2 - PULSE MODULATION OPTION
Modulation Modes
Pulse modulation may be used alone or in conjunction with FM,
Φ
M or
Wideband FM.
Rise Time
Less than 25 ns.
Control
0 to +1 V for carrier off, +3.5 to +5 V for carrier on.
ON/OFF Ratio
Better than 70 dB, typically exceeds 80 dB.
Additional level error
Less than ±0.5 dB.
Propagation delay
Typically 80 ns from pulse input to RF pulse output.
Input Impedance
50
Ω
nominal.
OPTION 105 - SLOW RISE TIME PULSE MODULATION
Modifies pulse modulation option for a typical rise and fall time of
2 µs.
OPTION 3 - +19 dBm RF OUTPUT LEVEL OPTION
For 2040 model only.
RF Output Range
–144 dBm to +19 dBm. When AM is selected the maximum output
level reduces linearly with AM depth to +13 dBm at maximum AM
depth.
Overrange allows levels up to +25 dBm to be requested.
Harmonics
At RF levels up to +7 dBm: better than –27 dBc.
OPTION 6 - AVIONICS OPTION
See separate sheet.
OPTION 8 - RF PROFILE AND COMPLEX SWEEP
See separate sheet.
OPTION 12 - ELECTRONIC ATTENUATOR
Carrier Frequency Range
250 kHz* to 1.35 GHz (2040),
250 kHz* to 2.7 GHz (2041).
* Useable to 10 kHz
RF Output Range
-138 dBm to +10 dBm. When AM is selected the maximum output
level reduces linearly with AM depth to +4 dBm at maximum AM
depth.
Accuracy
±1.2 dB for output levels > -127 dBm at 22°C ±5°C
Temperature Stability
±0.01 dB/°C
VSWR
<1.5:1 for output levels less than 0 dBm.
Reverse Power Handling
1 W from a source VSWR of up to 5:1.
Amplitude Modulation
Standard specification applies for carrier frequencies above 50 MHz
(Above 100 MHz for Option6)
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VERSIONS AND ACCESSORIES
When ordering please quote the full ordering number information.
Ordering Numbers
Versions
2040 10 kHz to 1.35 GHz Signal Generator
2041 10 kHz to 2.7 GHz Signal Generator
2042 10 kHz to 5.4 GHz Signal Generator
Options
Options are factory fitted only and must be specified at the time of
ordering.
Option 001 Second internal modulation oscillator.
Option 002 Pulse Modulation.
Option 003 +19 dBm Output Level (2040 only).
Option 006 Avionics (requires Option 001, not with Option 003).
Option 008 RF Profile and Complex Sweep.
Option 012 Electronic attenuator (2040 and 2041 only). not avail-
able with option 003
Option 105 Modifies the pulse modulation option for slower rise
and fall time (order with Option 002).
Option 112 External modulation inputs (2) 600 Ω impedance
Supplied with
AC supply lead.
Operating manual on CD ROM
Optional Accessories
46882/074 Operating manual (paper copy)
46880/050 Service manual
43126/012 RF connector cable, 50 Ω, 1.5 m, BNC.
54311/092 Coaxial adapter N male to BNC female.
59999/163 Precision coaxial adapter N male to SMA female.
54311/095 RF connector cable, 1 m, type N connectors.
43129/189 GPIB Lead assembly.
46883/408 IEEE/IEC Adapter block for GPIB socket.
46884/291 Rack mounting kit (with slides) for rack cabinets with
depths from 480 mm to 680 mm.
46884/292 Rack Mounting kit (with slides) for rack cabinets with
depths from 680 mm to 840 mm.
46884/541 Rack mounting kit containing front mounting brack-
et only.
46884/444 Maintenance kit 2030/40 series.
46662/525 Transit case.
54112/164 Soft carry case.
54499/044 DECT filter.
For the very latest specifications visit www.aeroflex.com
Part No. 46891/006, Issue 8, 06/08
CHINA Beijing
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GERMANY
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HONG KONG
Tel: [+852] 2832 7988
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INDIA
Tel: [+91] 80 5115 4501
Fax: [+91] 80 5115 4502
KOREA
Tel: [+82] (2) 3424 2719
Fax: [+82] (2) 3424 8620
SCANDINAVIA
Tel: [+45] 9614 0045
Fax: [+45] 9614 0047
SPAIN
Tel: [+34] (91) 640 11 34
Fax: [+34] (91) 640 06 40
UK Burnham
Tel: [+44] (0) 1628 604455
Fax: [+44] (0) 1628 662017
UK Cambridge
Tel: [+44] (0) 1763 262277
Fax: [+44] (0) 1763 285353
UK Stevenage
Tel: [+44] (0) 1438 742200
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Freephone: 0800 282388
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Tel: [+1] (316) 522 4981
Fax: [+1] (316) 522 1360
Toll Free: 800 835 2352
www.aeroflex.com
info-test@aeroflex.com
As we are always seeking to improve our products,
the information in this document gives only a general
indication of the product capacity, performance and
suitability, none of which shall form part of any contract. We reserve the right to make design changes
without notice. All trademarks are acknowledged.
Parent company Aeroflex, Inc. ©Aeroflex 2006.
Our passion for performance is defined by three
attributes represented by these three icons:
solution-minded, performance-driven and customer-focused.
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