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The 3723 offers two independent banks of high speed 1×30 two-pole multiplexers that are ideal for high speed scanning applications. The two banks can automatically be connected to the Series 3700A mainframe backplane and optional DMM through the analog backplane connection relays. This connection allows the mainframe to reconfigure the 3723 as a single 1×60 two-pole multiplexer or as a single 1×120 single-pole multiplexer. It also enables card-to-card expansion for even larger configurations.
By using high speed reed relays with actuation times of less than 0.5ms, this card can meet demanding throughput applications. Another feature of the 3723 is its single-ended, one-pole mode, which supports up to 120 channels of single-wire measurements.
The 3723 uses two 78-pin D-sub connectors for signal connections. For screw terminal connections, use the 3723-ST for two- and four-pole configurations or the 3723-ST-1 for single-wire applications.
| Key Features |
| 60 two-pole or 30 four-pole channels for high speed scanning |
| 120 channel single-pole mode for one-wire (common side) measurements |
| Analog backplane connection relays provide easy bank and card interconnections |
| 200 V, 1 A switched or 1.25 A carry signal capacity; 15 W |
| Relay actuation time |
| 20 MHz bandwidth |
| Ideal for multi-channel I-V testing with Series 2600B SourceMeter® SMU instruments |
| Long life dry reed relays (>10⁹ operations) |
| Specifications | |
Series 3700A System Switch/Multimeter and Plug-In Cards | |
| Model Overview | |
| Model | Description |
| Mainframes | |
| 3706A | Six-Slot System Switch with High Performance DMM |
| 3706A-NFP | Six-Slot System Switch with High Performance DMM, Without front panel display and keypad |
| 3706A-S | Six-Slot System Switch |
| 3706A-SNFP | Six-Slot System Switch Without front panel display and keypad |
| Plug-in Cards | Description |
| 3720 | Dual 1×30 Multiplexer Card (Auto CJC when used with 3720-ST) |
| 3721 | Dual 1×20 Multiplexer Card (Auto CJC when used with 3721-ST) |
| 3722 | Dual 1×48, High Density, Multiplexer Card |
| 3723 | Dual 1×30, High Speed, Reed Relay Multiplexer Card |
| 3724 | Dual 1×30 FET Multiplexer Card |
| 3730 | 6×16, High Density, Matrix Card |
| 3731 | 6×16 High Speed, Reed Relay Matrix Card |
| 3732 | Quad 4×28, Ultra-High Density, Reed Relay Matrix Card |
| 3740 | 32 Channel Isolated Switch Card |
| 3750 | Multifunction Control Card |
| 3760 | 10-Channel High Current Multiplexer Card |
| 3761 | 10-Channel Low Current Multiplexer Card |
| 3762 | 10-Channel High Voltage Multiplexer Card |
| 3765 | Hall Effect Card |
| Specifications | ||||||
Plug-in Cards for; Series 3700A Mainframes | ||||||
| Model Overview | ||||||
| Model | Channels | Card Configuration | Type of Relay | Contact Configuration | Max. Voltage | Max. Current Switched |
| 3720 | 60 (Dual 1×30) | Multiplexer | Latching electro mechanical | 2 Form A | 300 V | 1 A |
| 3721 | 40 (Dual 1×20) | Multiplexer | Latching electro mechanical | 2 Form A | 300 V (ch 1–40) 60 V (ch 41–42) | 2 A (ch 1–40) 3 A (ch 41–42) |
| 3722 | 96 (Dual 1×48) | Multiplexer | Latching electro mechanical | 2 Form A | 300 V | 1 A |
| 3723 | 60 (Dual 1×30) or 120 single-pole (Dual 1×60) | Multiplexer | Dry reed | 1 Form A | 200 V | 1 A |
| 3724 | 60 (Dual 1×30) | Multiplexer | FET solid-state | 2 Form A | 200 V | 0.1 A |
| 3730 | 6×16 | Matrix | Latching electro mechanical | 2 Form A | 300 V | 1 A |
| 3731 | 6×16 | Matrix | Dry reed | 2 Form A | 200 V | 1 A |
| 3732 | 448 crosspoints (Quad 4×28) | Matrix | Dry reed | 1 Form A | 200 V | 0.75 A |
| 3740 | 32 | Independent | Latching electro mechanical | 28 Form C 4 Form A | 300 VDC/250 VAC (Form A) | 2 A (Form C) 7 A (Form A) |
| 3750 | 40 digital I/O 4 counter/totalizers 2 isolated analog outputs | Independent | N/A | N/A | N/A | N/A |
| 3760 | 10 | Multiplexer | Non latching electro mechanical | 2 Form C | 500 V | 5 A |
| 3761 | 10 | Multiplexer | Dry reed | Form A | 30 V | 100 mA |
| 3762 | 10 | Multiplexer | Dry reed | 2 Form A | 1000 V | 0.5 A |
| 3765 | 4×5 | Matrix | Non latching electro mechanical and Dry reed | Form A | 8 V | 100 mA |
| Specifications | |
Plug-in Cards for; Series 3700A Mainframes | |
| Series Overview | |
| Model | Comments |
| 3720 | 2 independent 1×30 multiplexers. Automatic temperature reference when used with screw terminal accessory (3720-ST) |
| 3721 | 2 independent 1×20 multiplexers. Automatic temperature reference when used with screw terminal accessory (3721-ST) |
| 3722 | 2 independent 1×48 multiplexers |
| 3723 | 2 independent 1×30 multiplexers |
| 3724 | 2 independent 1×30 multiplexers. Automatic temperature reference when used with screw terminal accessory (3724-ST) |
| 3730 | Columns can be expanded through the backplane or isolated by relays |
| 3731 | Relay actuation time of 0.5 ms. Columns can be expanded through the backplane or isolated by relays |
| 3732 | Banks can be connected together via bank configuration relays to create a single 4×112 or dual 4×56 matrix. Analog backplane relays also included for card-to-card expansion. Row expansion with 3732-ST-R accessory to create a dual 8×28 or single 16×28 matrix. |
| 3740 | 32 general purpose independent channels. |
| 3750 | All-in-one card design. 40 bidirectional I/O. Four 32- bit counter/totalizers. 2 programmable analog (V or I) outputs. |
| 3760 | Single 1×10 high current multiplexer |
| 3761 | Single 1×10 low current multiplexer |
| 3762 | Single 1×10 high voltage multiplexer |
| 3765 | Specialty 4×5 matrix for Hall Effect and van der Pauw measurements. |
| Specifications | |
| 3723 Dual 1×30, High Speed, Reed Relay, Multiplexer Card | |
| Accessories Available | |
| Model Number | Description |
| 3720-MTC-1.5 | 78-pin D-sub Female to Male Cable, 1.5 m (5 ft.) |
| 3720-MTC-3 | 78-pin D-sub Female to Male Cable, 3 m (10 ft.) |
| 3723-ST | Screw Terminal Block |
| 3723-ST-1 | Screw Terminal Block for single-pole applications |
| 3791-CIT | Contact Insertion and Extraction Tool |
| 3791-KIT78-R | 78-pin Female D-sub Connector Kit (contains 2 female D-sub connectors and 156 solder-cup contacts) |



