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Agilent 44472A
VHF Multiplexer (300MHz, 50 Ohm)
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Agilent 44472A
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 3499 Switch/Control data sheet
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Features:
- DC to 300MHz
- BNC connectors for ease of wiring
- For complete details, click on the Data Sheet link
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Description
The Agilent 44472A VHF module offers broadband switching capability for high frequency and pulse signals. Two independent 50 Ohm character impedance bi-directional 1x4 switches are provided for signals from DC to 300 MHz. Very low crosstalk makes the VHF module ideal for VHF signal measurements using spectrum, network, or distortion analyzers. You can also use the excellent signal integrity of the VHF module for multiplexing inputs to your GPIB oscilloscope or waveform analyzer. Each group of four channels is isolated from the other and from the chassis to prevent ground loops. BNC connectors provide ease of connection to the module.
Standard Product Includes:
- 44472A Dual 1x4 VHF Multiplexer Module
- 1 Connection Terminal
- 1 Certificate of Verification
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| N2268A |
Dual 1x4 RF (3.5GHz) Multiplexer Module for 3499A/B |
| $3018.00 |  |
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| N2272A |
1X9 RF (1GHz) Multiplexer module |
| $1565.00 | |
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| N2276A |
Dual 20 GHz Microwave Multiplexer |
| $6185.00 | |
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| N2276B |
Microwave Mux/Attenuator Driver - Discontinued - no replacement |
| 44472A |
Dual 1x4 VHF (300MHz) Multiplexer Module |
| $1250.00 | |
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| 44478A |
Dual 1x4 RF (1.3GHz) Multiplexer Module (50 Ohm) for 3499A/B. |
| $1596.00 | |
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| 44478B |
Dual 1x4 RF (1.3GHz) Multiplexer Module (75 Ohm) for 3499A/B. |
| $1724.00 | |
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| 44476A |
Triple 1x2 Microwave (18GHz) Module for 3499A/B |
| $4060.00 | |
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| 44476B |
Microwave Relay Driver Module for 3499A/B. |
| $900.00 | |
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Specifications
| Plug-in Module Specifications |
| Module |
Description |
Max. Voltage |
Max. Current per Chan. |
Initial Closed Channel Resistance |
Thermal Offset per Chan. |
Bandwidth |
Connection Type |
Relay Cycle Counter |
| Multiplexer Modules |
| N2260A |
40-channel |
200V |
1A |
<1 O |
<3μV |
10MHz |
T or C |
Yes |
| N2266A |
40-channel |
200V |
0.5A |
<1 O |
<50μV |
40MHz |
T or C |
Yes |
| N2270A |
10-channel |
1000V |
1A |
<1 O |
<200µV |
5 MHz |
Crimp & Insert |
Yes |
| 44470A |
10-channel |
250V |
2A |
<1 O |
<3µV |
10MHz |
T |
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| 44470D |
20-channel |
250V |
2A |
<1 O |
<3µV |
10MHz |
T |
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| General-purpose Relay Modules |
| N2261A |
40-channel |
200V |
1A |
<0.5 O |
<3µV |
10MHz |
T or C |
Yes |
| N2267A |
8-channel |
250V |
8A |
<0.08 O |
<3µV |
20MHz |
Crimp & Insert |
Yes |
| 44471A |
10-channel |
250V |
2A |
<1 O |
<3µV |
10MHz |
T |
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| 44471D |
20-channel |
250V |
1A |
<1 O |
<3µV |
10MHz |
T |
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| 44477A |
7-channel |
250V |
2A |
<1 O |
<3µV |
10MHz |
T |
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| Matrix Modules |
| N2262A |
4 x 8 matrix |
200V |
1A |
<1 O |
<3µV |
10MHz |
T or C |
Yes |
| 44473A |
4 x 4 matrix |
250V |
2A |
<1 O |
<3µV |
10MHz |
T |
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| Digital I/O Modules |
| N2263A |
32-bit TTL |
42V |
0.6A |
NA |
NA |
NA |
T or C |
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| 44474A |
16-bit TTL |
30V |
0.125A |
NA |
NA |
NA |
T |
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| Multifunction Modules |
| N2264A |
12 GP |
200V |
1A |
<0.5 O |
<3μV |
10MHz |
T or C |
Yes |
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3 GP |
125V |
5A |
<0.1 O |
<3μV |
10MHz |
T or C |
Yes |
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16-bit DIO |
42V |
0.6A |
NA |
NA |
NA |
T or C |
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| N2265A |
4 x 4 matrix |
200V |
1A |
<1 O |
<3μV |
10MHz |
T or C |
Yes |
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16-bit DIO |
42V |
0.6A |
NA |
NA |
NA |
T or C |
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| Note: GP = General-purpose, DIO = Digital I/O, T = Terminal Block, C = Cable. |
| Fiber-optical Multiplexer Modules (typical specs) |
| Modules |
Description |
Insertion loss |
Stability |
Repeatability |
Wavelength |
Connector Switching Time |
Switching Time |
| N2280A |
Quad 1 x 2 |
0.5 dB |
± 0.03dB |
± 0.005dB |
1310/1550 nm |
SC/APC |
15 ms |
| N2281A |
Dual 1 x 4 |
0.5 dB |
± 0.03dB |
± 0.0065dB |
1310/1550 nm |
SC/APC |
20 ms |
| N2282A |
Single 1 x 8 |
0.5 dB |
± 0.02dB |
± 0.005/0.01dB |
1270/1670 nm |
SC/APC |
250 ms |
| Modules |
Description |
Insertion loss |
Cross talk |
SWR |
Bandwidth |
Impedance |
Connector |
| N2268A |
Dual 1 x 4 |
<0.35dB |
≤64dB |
<1.20 |
3.5 GHz |
50 Ω |
SMA |
| N2272A |
Single 1 x 9 |
<0.5dB |
≤75dB |
<1.20 |
1.0 GHz |
50 Ω |
BNC |
| N2276A |
Dual 1 x 6 |
<0.36dB |
≤100dB |
<1.20 |
20 GHz |
50 Ω |
SMA |
| N2276B |
Relay driver can support 2 microwave switches. Technical specs depend on the mounted relays. |
| 44472A |
Dual 1 x 4 |
<0.75dB |
≤85dB |
<1.12 |
300 MHz |
50 Ω |
BNC |
| 44478A |
Dual 1 x 4 |
<1.1dB |
≤70dB |
<1.35 |
1.3 GHz |
50 Ω |
BNC |
| 44478B |
Dual 1 x 4 |
<1.1dB |
≤70dB |
<1.35 |
1.3 GHz |
75 Ω |
BNC |
| 44476A |
Triple 1 x 2 |
<0.25dB |
≤90dB |
<1.15 |
18 GHz |
50 Ω |
SMA |
| 44476B |
Relay driver can support 2 microwave switches. Technical specs depend on the mounted relays. |
| Input Characteristics |
| Maximum Voltage (center-center, center-low): |
250V DC, 30V AC RMS or 42V AC peak; |
| (Low-chassis or low-low): |
42V DC |
| Maximum Current(per chan.): |
30mA DC,300mA AC RMS |
| Thermal Offset: |
<15uV |
| Characteristic Impedance: |
50 Ohm |
| Initial Closed Channel Resistance: |
<1 Ohm |
| DC isolation (<40&186;C, 95% RH): |
>107Ohm |
| AC Isolation/Performance |
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30MHz |
100MHz |
300MHz |
| Insertion loss |
<0.5 |
<0.75 |
<1.25 |
| Crosstalk(dB) Within a Group |
≤100 |
≤85 |
≤85 |
| Group-Group |
≤85 |
≤65 |
≤50 |
| VSWR |
<1.06 |
<1.12 |
<1.43 |
| Capacitance: |
center-center, center-common <0.002pF |
| Center-low |
a <70pF |
| Low-chassis |
<0.20uF |
| Rise Time: |
<0.7 nsec |
| Signal Delay: |
<2.5 nsec (channel match <90psec) |
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