Anritsu 37 C Series, Руководство по эксплуатации, Страница: 583 / 603

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SYSTEM DESCRIPTION
The Lightning 37200C/37300C Vector Network Analyzers (VNAs)
are high performance tools designed to make fast and accurate S-
parameter measurements of active and passive devices across the
22.5 MHz to 65 GHz range. These network analyzers integrate a
synthesized source, S-parameter test set and tuned receiver into a
single compact package that is ideal for bench-top testing.
The Lightning 37100C VNAs are configured as Direct-Access
Receivers for antenna, frequency conversion, and multiple output
device measurements. These network analyzers consist of
a synthesized source and tuned receiver in a single compact unit,
with direct access provided to all four receiver samplers via the
front panel. The 37100C offers the ultimate flexibility to meet most
receiver measurement needs, while maintaining the ability to
measure all four S-parameters with the addition of a reflectometer
setup at the front end of the receiver.
Specifications for the 37100C/37200C/37300C models are detailed
on the following pages.
High throughput measurements are achieved in each model
through the use of fast, 12-term error corrected sweeps, fast GPIB
data transfers and an intuitive user interface. All measurement
results are displayed on a large LCD color display or on an external
VGA monitor.
For maximum productivity, the VNAs include as standard features:
✓
Fast Sweeping Synthesized Source
✓
Auto Reversing Test Set (37200C/37300C models only)
✓
Solid-State Transfer Switch (37200C/37300C models only)
✓
Four Independent Display Channels
✓
Multiple Source Control of Two External Sources
✓
Four Channel Receiver
✓
Internal Hard and Floppy Disk Drives
✓
LRL/LRM Calibration
✓
Adapter Removal Calibrations
✓
Fast Measurement Throughput via GPIB
✓
Built-In AutoCal ® Control
Each of the network analyzers is designed for easy upgradeability.
Any version of the 37000C VNA can be upgraded to accommodate
new capabilities or additional frequency ranges by ordering the
appropriate upgrade kit. 37100C to 37200C or 37200C to 37300C
upgrades are also supported.
SYSTEM PERFORMANCE
Dynamic Range:
The tables on the next page provide two definitions of dynamic
range:
"Receiver Dynamic Range" is defined as the difference between the
maximum signal level at Port 2 (or at any sampler input: a
1
, a
2
, b
1
,
or b
2
for a 37100C) for 0.1 dB compression and the noise floor.
"System Dynamic Range" is defined as the difference between the
power incident on Port 2 in a through line connection and the noise
floor.
In preparing the tables, 10 Hz IF bandwidth and 512 averages were
used in calibration and measurement.
High Level Noise (typical):
<0.04 dB and <0.5 degrees peak-
to-peak variation in a 1 kHz IF bandwidth up to 20 GHz. <0.08 dB
and <1.0 degrees peak-to-peak variation up to 40 GHz. <0.25 dB
and <2.5 degrees peak-to-peak variation up to 65 GHz.
A Reflectometer test set is available as a special option for the 37100C.
It contains the transfer switch, both attenuators and couplers. It also
offers two bias tees and a front panel amplifier loop for active device
testing. As compared to a 37300C VNA, the output power and hence
the dynamic range are degraded by 10 dB typically.
to Transfer Switch
to Test Attenuator
to Source Attenuator
Internal
Source
Out*
RF
In
37100C
Direct-
Access
Receiver
Configuration
*Not provided
* on Opt. 13,
* Delete Source option.
Source
Lock
Out
b
1
b
2
a
2
a
1
RF
Out
Splitter
6 dB
Samplers
Source*
Transfer
Switch
Drive Test
Attenuator
Drive Source
Attenuator
Drive
3 dB
Transfer Switch
DUT
Typical
Reflectometer
Setup
Source
Attenuator Test
Attenuator
Model Numbers Frequency Range
37217C, 37317C 22.5 MHz to 8.6 GHz
37225C, 37325C 40 MHz to 13.5 GHz
37147C 22.5 MHz to 20 GHz
37247C, 37347C 40 MHz to 20 GHz
37169C 22.5 MHz to 40 GHz
37269C, 37369C 40 MHz to 40 GHz
37277C, 37377C 40 MHz to 50 GHz
37297C, 37397C 40 MHz to 65 GHz