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The Anritsu MS4630B is a network analyzer covering 10 Hz to 300 MHz, designed for high-speed evaluation of IF filters, resonators, and similar passive components. The instrument measures transmission characteristics (amplitude, phase, group delay), reflection and impedance characteristics, and absolute level characteristics, presenting results on a 6.5-inch color LCD with up to two channels and four traces displayed simultaneously.
Per the datasheet, the MS4630B is suitable for electronics production lines that demand fast and accurate device measurements. It is particularly well suited to accurate high-speed evaluation of IF filter resonance and group delay characteristics, as well as evaluating the impedance characteristics of resonators in AV equipment and personal computers. Dedicated filter and resonator analysis keys allow filter parameters (passband, attenuation band, insertion loss, center frequency, Q, shape factor) and resonator parameters (Fr, Fa, Zr, Za, equivalent-circuit constants) to be evaluated with a single key stroke.
Anritsu Corporation is a Japanese precision measurement company with a long history in RF, microwave, and network analysis instrumentation. The MS4630B network analyzer is part of Anritsu's standalone product line and was not formed through a brand acquisition or rebranding event.
| Parameter | Specification |
|---|---|
| Measurement items | Transmission characteristics (ratio measurement): Amplitude, phase, group delay. Reflection/impedance characteristics: Amplitude, phase (with external transducer). Level characteristics: Absolute amplitude |
| Frequency range | 10 Hz to 300 MHz |
| Frequency resolution | 0.01 Hz |
| Frequency accuracy (standard) — Aging rate | ≤1 x 10−6/day (15 minutes after power-on) |
| Frequency accuracy (standard) — Temperature characteristics | ≤±5 x 10−6 (0° to +50°C) |
| Frequency accuracy (Option 13) — Aging rate | ≤±2 x 10−8/day (24 h after power-on) |
| Frequency accuracy (Option 13) — Temperature characteristics | ≤±5 x 10−8 (0° to +50°C) |
| Input channels | Standard: 2 (R, TA); Option 12: 3 (R, TA, TB) |
| Input impedance | 50 Ω, 1 MΩ switchable (when combined with MA4605A: 75 Ω, 1 MΩ) |
| Input range (IRG) | 0/+20 dBm |
| Max. input power | AC: +20 dBm; DC ±2.2 V (50 Ω). AC: 0 dBm; DC: ±20 V (1 MΩ) |
| Input connector | BNC-J |
| Probe source | +12 ±1 V, 100 mA (with protective circuit for shorts) |
| Average noise level | ≤−120 dBm (RBW: 1 kHz, 1 to 300 MHz), ≤−110 dBm (RBW: 1 kHz, 80 kHz to 1 MHz) |
| Crosstalk between channels | ≥120 dB (80 kHz to 300 MHz), ≥110 dB (up to 80 kHz) |
| Crosstalk between transmitter and receiver | ≥125 dB |
| Resolution bandwidth | 3, 10, 30, 100, 500 Hz, 1, 2, 3, 4, 5, 10, 20 kHz and automatic setting |
| Output A level range | 0 to +21 dBm; Option 10: −70 to +21 dBm |
| Output B level range | −6 to +15 dBm (−9.5 to +11.5 dB when Option 14 added); Option 10: −76 to +15 dBm (−79.5 to +11.5 dB when Option 14 added) |
| Output resolution | 0.01 dB |
| Output level accuracy | ≤±1.0 dB (frequency: 100 MHz, Output A: +10 dBm) |
| Output level linearity | ≤±0.5 dB (0 dBm reference, frequency: 100 MHz, Output A: 0 to +21 dBm) |
| Output level deviation | ≤±1.5 dB (output A: +10 dBm, 100 MHz reference) |
| Step error | ±0.5 dB (Option 10) |
| Output impedance | 50 Ω (when combined with MA4605A: 75 Ω) |
| Output connector | BNC-J |
| Amplitude measurement range | ≥120 dB |
| Amplitude measurement resolution | 0.001 dB |
| Amplitude display scale | 0.01 dB/div to 50 dB/div (1-2-5 sequence) |
| Phase measurement range | ±180° |
| Phase measurement resolution | 0.001° |
| Phase display scale | 0.01° to 50°/div (1-2-5 sequence) |
| Group delay measurement resolution | 2.78 x 10−5/ΔF |
| Group delay display scale | 1 ps/div to 50 ms/div |
| Group delay dynamic accuracy | Phase measurement accuracy/(360 x aperture frequency) |
| Calibration types | Frequency response, 1 port, 1 path-2 port, frequency response/isolation calibration, π-NET calibration |
| Electrical length calibration range | 0 to ±999999.9999999 m, Resolution: 100 nm |
| Phase offset range | ±180° |
| Frequency sweep | LIN (CENTER/SPAN, START/STOP), LOG (START/STOP) |
| Level sweep | LIN (START/STOP/STEP) |
| List sweep | Frequency, level, RBW, the individual setting in the waiting time |
| Number of measurement points | 11, 21, 51, 101, 251, 501, 1001 |
| Break point | Anywhere between 1 and 1001 |
| Sweep time | 150 µs/point, 38 ms/250 points full sweep (RBW: 20 kHz, normalize calibration, 1 trace) |
| Sweep setting range | 1 ms to 27.5 h |
| Sweep control | REPEAT/SINGLE, STOP/CONT |
| Sweep trigger | INT/EXT (RISE, FALL, LEVEL) |
| Max. display screens | 2 channels, 4 traces |
| Display format | LOG MAG (M), PHASE (P), DELAY (D), M/P, M/D, LIN MAG (LIN), LIN/P, LIN/D, REAL (R), IMAG (I), R/I, Z, Z/θ, Q, Z/Q, POLAR, VSWR, IMPD (Z∠θ, Rs + Ls/Cs, Q/D, R + jx), ADMT (Y∠θ, Rp + Lp/Cp, Q/D, G + jB) |
| Display | 640 x 480 dots, 16.5 cm color LCD |
| Multi-marker | Max. 10 markers for each trace |
| Filter function | F0, IL, passband (L, R), attenuation band (L, R), Ripple, Q, SF |
| Resonator function RESON 1 | Fr, Fa, Zr, Za (0 PHASE), Fm, Fn, Zm, Zn (MAX/MIN) |
| Resonator function RESON 2 | Fs, Fr, Fa, Zr, Za, Q, equivalence constant (R1, L1, C1, C0) |
| Averaging method | SUM, MAX, MIN, Count: 1 to 1000 |
| Limit line | Single or segment (10) limit line, pass/fail evaluation against limit line |
| Internet memory | 512 kB (non-volatility) |
| FDD | 3.5 inch FDD: 1; Capacity: 720 KB (2DD), 1.44 MB (2HD), MS-DOS format (BMP, text file) |
| External reference oscillator input | Frequency: 5/10 MHz ±10 ppm; Level: ≥0.7 Vp-p (AC coupling); Input impedance: 50 Ω (connector: BNC-J) |
| Reference oscillator output | Frequency: 10 MHz; Level: TTL (DC coupling, connector: BNC-J) |
| External trigger input | TTL Level (connector: BNC-J) |
| GPIB | IEEE488.2 (24-pin Amphenol connector) |
| I/O Port | Parallel interface for PTA (36-pin Amphenol connector) |
| RGB output | For external monitor (15-pin D-SUB connector) |
| Video output | Separate (8-pin DIN) |
| Centronics (Option 02) | Parallel interface for printer (25-pin D-SUB connector) |
| RS-232C (Option 02) | Serial interface (9-pin D-SUB connector) |
| External control | Standard: GPIB and PTA; Option 02: RS-232C |
| Power | 100 to 120/200 to 240 Vac (−15%/+10%, 250 Vac max., 100/200 V system auto-switching), 47.5 to 63 Hz, ≤180 VA (max.) |
| Dimensions | 426 (W) x 177 (H) x 451 (D) mm |
| Mass | ≤15 kg |
| Operating temperature | 0° to +50°C (FDD: +4° to +50°C) |
| Storage temperature | −20° to +60°C |
| EMC | EN61326: 1997/A2: 2001 (Class A); EN61000-3-2: 2000 (Class A); EN61326: 1997/A2: 2001 (Annex A) |
| LVD | EN61010-1: 2001 (Pollution Degree 2) |
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Anritsu
Condition
Used
Manufacturer
Anritsu
Frequency
300 MHz
10
70 dB Mechanical Output Attenuator
30+ Years in Business
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